Annual Environmental Reports (AERs)
2023
| Agglomaeration | Reference Number |
| Lisdoonvarna | D0077-01 |
| Ennistymon | D0081-01 |
| Scarriff | D0319-01 |
| Tulla | D0320-01 |
| Kilkishen | D0420-01 |
| Crusheen | D0424-01 |
| Kilmurry Ibrickane | D0536-02 |
| Sixmilebridge | D0076-01 |
| Newmarket on Fergus | D0079-01 |
| Inagh | D0422-01 |
| Quin | D0318-01 |
| Doonbeg | D0324-01 |
| Clareabbey | D0199-01 |
| Clarecastle | D0322-01 |
| Corofin | D0434-01 |
| Clareabbey | D0199-01 |
| Kilkee | D0078-01 |
| Agglomeration | Reference Number |
| Ballincollig New | D0049-01 |
| Kileens | D0329-01 |
| Kinsale | D0132-01 |
| Dunmanway | D0160-01 |
| Buttevant | D0303-01 |
| Riverstick | D0433-01 |
| Doneraile | D0300-01 |
| Ladysbridge | D0328-01 |
| Ballydehob | D0467-01 |
| Skibbereen | D0166-01 |
| Kanturk | D0203-01 |
| Courtmacsherry and Timoleague | D0294-02 |
| Cloyne | D0298-01 |
| Churchtown | D0444-01 |
| Charleville | D0204-01 |
| Baltimore | D0296-01 |
| Ballyclough | D0441-01 |
| Glenville | D0515-01 |
| Ballygarvan | D0540-01 |
| Durrus | D0545-01 |
| Agglomeration | Reference Number |
| Fieries | D0460-01 |
| Kenmare | D0184-01 |
| Ardfert | D0282-01 |
| Tarbert | D0283-01 |
| Sneem | D0285-01 |
| Glenbeigh | D0286-01 |
| Ballyduff | D0418-01 |
| Rathmore | D0419-01 |
| Ballylongford | D0459-01 |
| Lixnaw | D0462-01 |
| Listowel | D0179-01 |
| Fenit | D0284-01 |
| Waterville | D0287-01 |
| Milltown | D0331-01 |
| Knightstown | D0421-01 |
| Castleisland | D0180-01 |
| Killorglin | D0182-01 |
| Dingle | D0185-01 |
| Agglomeration | Reference Number |
| Mooncoin | D0145-01 |
| Thomastown | D0151-01 |
| Callan | D0159-01 |
| Graignamanagh | D0155-01 |
| Piltown | D0157-01 |
| Gowran | D0335-01 |
| Kilkenny City and Environs | D0018-01 |
| Castlecomer | D0149-01 |
| Clogh - Moneenroe | D0340-01 |
| Urlingford | D0336-01 |
| Ballyragget | D0337-01 |
| Paulstown | D0339-01 |
| Bennettsbridge | D0400-01 |
| Johnstown | D0401-01 |
| Kilmacow | D0525-01 |
| Goresbridge | D0529-01 |
| Ballyhale-Knocktopher | D0530-01 |
| Fiddown | D0528-01 |
| Agglomeration | Reference Number |
| Abbeyfeale | D0115-01 |
| Murroe | D0306-01 |
| Pallasgreen | D0503-01 |
| Castletroy | D0019-01 |
| Rathkeale | D0112-01 |
| Killmallock | D0106-01 |
| Croom | D0307-01 |
| Caherconlish | D0308-01 |
| Newcastle West | D0108-01 |
| Doon | D0309-01 |
| Kilfinnane | D0305-01 |
| Cappamore | D0310-01 |
| Bruff | D0313-01 |
| Dromcollagher | D0316-01 |
| Adare | D0312-01 |
| Askeaton | D0315-01 |
| Oola | D0505-01 |
| Bruree | D0506-01 |
| Ballingarry | D0507-01 |
| Athea | D0508-01 |
| Hospital | D0314-01 |
| Agglomeration | Reference Number |
| Cong | D0066-01 |
| Lahardaun | D0380-01 |
| Swinford | D0068-01 |
| Achill Island Central Waste Water Treatment Plant | D0072-01 |
| Belcarra | D0366-01 |
| Belmullet | D0074-01 |
| Knock | D0065-01 |
| Mallaranny | D0218-01 |
| Kilmaine | D0361-01 |
| Ballina | D0016-01 |
| Ballyhaunis | D0069-01 |
| Ballinrobe | D0070-01 |
| Claremorris | D0071-01 |
| Crossmolina | D0073-01 |
| Foxford | D0213-01 |
| Balla | D0216-01 |
| Kiltimagh | D0217-01 |
| Louisburgh | D0220-01 |
| Ballindine | D0355-01 |
| Ballycastle | D0356-01 |
| Kilkelly | D0357-01 |
| Shrule | D0359-01 |
| Doogort | D0367-01 |
| Agglomeration | Reference Number |
| Kells | D0127-01 |
| Athboy | D0124-01 |
| Duleek | D0133-01 |
| Trim | D0137-01 |
| Kentstown | D0479-01 |
| Kilmainhamwood | D0481-01 |
| Drumconrath | D0483-01 |
| Kildalkey | D0486-01 |
| Nobber | D0487-01 |
| Carlanstown | D0488-01 |
| Longwood | D0250-01 |
| Donore | D0251-01 |
| Ballivor | D0254-01 |
| Slane | D0257-01 |
| Oldcastle | D0258-01 |
| Summerhill | D0259-01 |
| Stamullen | D0262-01 |
| Agglomeration | Reference Number |
| Clonmel | D0035-01 |
| Clogheen | D0453-01 |
| Borrisokane | D0326-01 |
| Thurles | D0026-01 |
| Tipperary Town | D0146-01 |
| Carrick-On-Suir | D0148-01 |
| Fethard | D0164-01 |
| Cahir | D0167-01 |
| Cashel | D0171-01 |
| CLOUGHJORDAN | D0475-01 |
| Ballina | D0189-01 |
| Templemore | D0190-01 |
| Ardfinnan | D0311-01 |
| BORRISOLEIGH | D0323-01 |
| Newport | D0325-01 |
| Cappawhite | D0440-01 |
| TWOMILEBORRIS | D0474-01 |
| LITTLETON | D0480-01 |
| LImerick Junction | D0457-01 |
| Mullinahone | D0456-01 |
| Killenaule | D0443-01 |
| Kilsheelan | D0452-01 |
| Ballyclerihan | D0455-01 |
| Agglomeration | Reference Number |
| Courtown/Gorey | D0046-01 |
| Bridgetown | D0231-01 |
| Arthurstown Ballyhack Duncannon | D0245-02 |
| Ballycanew and Environs | D0402-01 |
| Kilmuckridge | D0161-01 |
| Ballaghkeen | D0398-01 |
| Rosslare Harbour | D0165-01 |
| Rosslare Strand and Environs | D0173-01 |
| Coolgreany | D0174-02 |
| Fetherd-on-Sea | D0241-01 |
| Clonroche | D0404-01 |
| Camolin | D0405-01 |
| Ballymurn and Environs | D0407-01 |
| Campile | D0409-01 |
| LaraghAgglomeration | Reference Number |
| Wicklow | D0012-01 |
| Baltinglass | D0089-01 |
| Tinahely | D0221-01 |
| Roundwood | D0223-01 |
| Greystones | D0010-01 |
| Blessington | D0063-01 |
| Carnew | D0064-01 |
| Rathdrum | D0086-01 |
| Enniskerry and Environs | D0088-01 |
| Aughrim | D0222-01 |
| Newcastle | D0410-01 |
| Redcross | D0414-01 |
| Laragh | D0415-01 |
| Dunlavin -Milltown | D0476-01 |
| Ballinaclash | D0412-01 |
| Avoca | D0411-01 |
2022
| Agglomeration | Reference Number |
| Bailieborough | D0085-01 |
| Shercock | D0495-01 |
| Blacklion | D0498-01 |
| Cavan Town | D0020-01 |
| Cootehill | D0082-01 |
| Belturbet | D0084-01 |
| Ballyconnell | D0253-01 |
| Ballyhaise | D0496-01 |
| Kilnaleck | D0500-01 |
| Virginia | D0255-01 |
| Killashandra | D0499-01 |
| Kingscourt | D0083-01 |
| Mullagh | D0252-01 |
| Ballyjamesduff | D0256-01 |
| Arvagh | D0497-01 |
| Ballinagh | D0501-01 |
| Agglomeration | Reference Number |
| Inagh | D0422-01 |
| Corofin | D0434-01 |
| Tulla | D0320-01 |
| Quin | D0318-01 |
| MilltownMalbay | D0321-01 |
| Ennis North | D0048-01 |
| Ennistymon | D0081-01 |
| Doonbeg | D0324-01 |
| Kilrush | D0075-01 |
| Kilkee | D0078-01 |
| NewmarketonFergus | D0079-01 |
| Clareabbey | D0199-01 |
| Clarecastle | D0322-01 |
| Ballyvaughan | D0327-01 |
| Liscannor | D0430-01 |
| Lahinch | D0080-01 |
| Sixmilebridge | D0076-01 |
| Kilmurry Ibrickane | D0536-01 |
| Shannon Town | D0045-01 |
| Lisdoonvarna | D0077-01 |
| Kilkishen | D0420-01 |
| Crusheen | D0424-01 |
| Scarriff | D0319-01 |
| Agglomeration | Reference Number |
| Kilbrittain | D0425-01 |
| Dripsey | D0426-01 |
| Ballyhooley | D0432-01 |
| Kildorrrey | D0442-01 |
| Banteer | D0448-01 |
| Doneraile | D0300-01 |
| Killeagh | D0301-01 |
| Dromohane | D0302-01 |
| Buttevant | D0303-01 |
| Dunmanway | D0160-01 |
| Charleville | D0204-01 |
| Millstreet | D0332-02 |
| Boherbue | D0437-01 |
| Glenville | D0515-01 |
| Ballycotton | D0516-01 |
| Ringaskiddy Village | D0436-01 |
| Conna | D0439-01 |
| Blarney | D0043-01 |
| Carrigtwohill | D0044-01 |
| Bandon | D0136-01 |
| Ballincollig New | D0049-01 |
| Youghal | D0139-01 |
| Watergrasshill | D0201-01 |
| Kileens | D0329-01 |
| Kilworth | D0334-01 |
| Castletownshend | D0468-01 |
| UnionHall | D0469-01 |
| Mallow | D0052-01 |
| Fermoy | D0058-01 |
| Carrignavar | D0517-01 |
| Midleton | D0056-01 |
| Ringaskidy | D0057-01 |
| Kinsale | D0132-01 |
| Mitchelstown | D0202-01 |
| Castletownbere | D0297-01 |
| Cobh | D0054-01 |
| Passage Monkstown | D0129-01 |
| Rathcormac | D0200-01 |
| Whitegate Aghada | D0423-01 |
| Ballineen Enniskean | D0472-01 |
| Cork City | D0033-01 |
| Macroom | D0126-01 |
| Skibbereen | D0166-01 |
| Cloyne | D0298-01 |
| Belgooly | D0541-01 |
| North Cobh | D0140-01 |
| Rosscarberry Owenhincha | D0172-01 |
| Castletownroche | D0293-01 |
| Ballymakeera | D0299-01 |
| Newmarket | D0333-01 |
| Coachford | D0427-01 |
| Bweeng | D0438-01 |
| Churchtown | D0444-01 |
| Killavullen | D0447-01 |
| Castlelyons | D0449-01 |
| Ballygarvan | D0540-01 |
| Castlemartyr | D0134-01 |
| Bantry | D0168-01 |
| Schull | D0295-01 |
| Clonakilty | D0051-01 |
| Kanturk | D0203-01 |
| Baltimore | D0296-01 |
| Ladysbridge | D0328-01 |
| Cloughduv | D0330-01 |
| Inishannon | D0429-01 |
| Ballingeary | D0431-01 |
| Riverstick | D0433-01 |
| Ballyclough | D0441-01 |
| Clondulane | D0445-01 |
| Glanworth | D0450-01 |
| Ballydehob | D0467-01 |
| Drimoleague | D0470-01 |
| Glengarriff | D0471-01 |
| Durrus | D0545-01 |
| Courtmacsherry and Timoleague | D0294-02 |
| Agglomeratoin | Reference Number |
| Creeslough | D0534-01 |
| Letterkenny | D0009-01 |
| Manorcunningham | D0519-01 |
| Clonmany | D0533-01 |
| Fahan | D0535-01 |
| Rossnowlagh | D0539-01 |
| Rathmullen | D0345-01 |
| Buncrana | D0125-01 |
| Ramleton | D0341-01 |
| Downings | D0350-01 |
| Milford | D0342-01 |
| Burnfoot | D0531-01 |
| Bridgeend | D0532-01 |
| Carndonagh Malin | D0113-01 |
| Killybegs | D0011-01 |
| Ballybofey Stranorlar | D0120-01 |
| Raphoe | D0209-01 |
| Lifford | D0352-01 |
| Kilcar | D0520-02 |
| Mountcharles | D0522-01 |
| St Johnston | D0538-01 |
| Ballyshannon | D0128-01 |
| Dungloe | D0208-01 |
| Glenties | D0210-01 |
| Convoy | D0344-01 |
| Ardara | D0512-01 |
| Donegal Town | D0135-01 |
| Dunfanaghy Portnablagh | D0211-01 |
| Falcarragh | D0343-01 |
| Newtowncunningham | D0349-01 |
| Ballyliffen | D0351-01 |
| Bundoran | D0130-01 |
| Kilmacreannan | D0513-01 |
| Castlefinn | D0514-01 |
| Killygordon | D0518-01 |
| Killea | D0537-01 |
| Carrigart | D0523-01 |
| Aggloomeratoin | Reference Number |
| Dunmore | D0370-01 |
| Carraroe | D0388-01 |
| Spiddal | D0396-01 |
| Ballinasloe | D0032-01 |
| Moycullen | D0191-01 |
| Oughterard | D0192-01 |
| Athenry | D0193-01 |
| Gort | D0195-01 |
| Portumna | D0196-01 |
| Headford | D0197-01 |
| Kinvara | D0276-01 |
| Claregalway | D0543-01 |
| Loughrea | D0194-01 |
| Galway City | D0050-01 |
| Ballygar | D0371-01 |
| Tuam | D0031-01 |
| Mountbellew | D0219-01 |
| Moylough | D0403-01 |
| Clifden | D0198-01 |
| Glenamaddy | D0379-01 |
| Aggloomeratoin | Reference Number |
| Fieries | D0460-01 |
| Castleisland | D0180-01 |
| Cahersiveen | D0181-01 |
| Killorglan | D0182-01 |
| Kenmare | D0184-01 |
| Dingle | D0185-01 |
| Ardfert | D0282-01 |
| Tarbert | D0283-01 |
| Glenbeigh | D0286-01 |
| Waterville | D0287-01 |
| Milltown | D0331-01 |
| Rathmore | D0419-01 |
| Knightstown | D0421-01 |
| Sneem | D0285-01 |
| Tralee | D0040-01 |
| Killarney | D0037-01 |
| Ballybunion | D0183-01 |
| Ballyheigue | D0186-01 |
| Ballyduff | D0418-01 |
| Ballylongford | D0459-01 |
| Castlegregory | D0461-01 |
| Listowel | D0179-01 |
| Lixnaw | D0462-01 |
| Abbeydorney | D0417-01 |
| Fenit | D0284-01 |
| Agglomeration | Reference Numver |
| Allenwood | D0493-01 |
| Athy | D0003-01 |
| Lower Liffey Valley Regional Sewerage Scheme | D0004-01 |
| Rathangan | D0175-01 |
| Monasterevin | D0177-01 |
| Robertstown | D0234-01 |
| Castledermot | D0236-01 |
| Ballymore Eustace | D0238-01 |
| Coill Dubh | D0242-01 |
| Derrinturn | D0244-01 |
| KIldare | D0178-01 |
| Upper Liffey Valley Sewerage Scheme | D0002-01 |
| Agglomeration | Reference Number |
| Clogh-Moneenroe | D0340-01 |
| Castlecomer | D0149-01 |
| Graignamanagh | D0155-01 |
| Piltown | D0157-01 |
| Callan | D0159-01 |
| Paulstown | D0339-01 |
| Thomastown | D0151-01 |
| Gowran | D0335-01 |
| Urlingford | D0336-01 |
| Ballyragget | D0337-01 |
| Bennettsbridge | D0400-01 |
| Johnstown | D0401-01 |
| Kilmacow | D0525-01 |
| Fiddown | D0528-01 |
| Goresbridge | D0529-01 |
| Kilkenny City and Environs | D0018-01 |
| Mooncoin | D0145-01 |
| Ballyhale-Knocktopher | D0530-01 |
| Freshford | D0526-01 |
| Agglomeration | Reference Number |
| Ballinakill | D0384-01 |
| Ballyroan | D0385-01 |
| Mountmellick | D0152-01 |
| Mountrath | D0153-01 |
| Abbeyleix | D0156-01 |
| Rathdowney | D0288-01 |
| Durrow | D0289-01 |
| Borris-in-Ossory | D0290-01 |
| Ballylynan | D0291-01 |
| Stradbally | D0292-01 |
| Clonaslee | D0386-01 |
| Castletown | D0387-01 |
| Portlaoise | D0001-01 |
| Portarlington | D0158-01 |
| Agglomeration 1 | Reference Number |
| Limerick | D0013-01 |
| Athea | D0508-01 |
| Croom | D0307-01 |
| Caherconlish | D0308-01 |
| Cappamore | D0310-01 |
| Bruff | D0313-01 |
| Askeaton | D0315-01 |
| Dromcollagher | D0316-01 |
| Bruree | D0506-01 |
| Ballingarry | D0507-01 |
| Foynes | D0502-01 |
| Glin | D0504-01 |
| Abbeyfeale | D0115-01 |
| Newcastle West | D0108-01 |
| Pallaskenry | D0304-01 |
| Rathkeale | D0112-01 |
| Kilmallock | D0106-01 |
| Kilfinnane | D0305-01 |
| Doon | D0309-01 |
| Castletroy | D0019-01 |
| Murroe | D0306-01 |
| Adare | D0312-01 |
| Hospital | D0314-01 |
| Pallasgreen | D0503-01 |
| Oola | D0505-01 |
| Agglomeration | Registration Number |
| Collon | D0261-01 |
| Dromiskin | D0264-01 |
| Drogheda | D0041-01 |
| Dundalk | D0053-01 |
| Blackrock | D0188-01 |
| Knockbridge | D0260-01 |
| Louth Village | D0263-01 |
| Clogherhead | D0265-01 |
| Tullyallen | D0266-01 |
| Carlingford | D0268-01 |
| Tallanstown | D0270-01 |
| Ardee | D0117-01 |
| Castlebellingham | D0269-01 |
| Dunleer | D0111-01 |
| Agglomeration | Registration Number |
| Knock | D0065-01 |
| Kilmaine | D0361-01 |
| Kilkelly | D0357-01 |
| Belcarra | D0366-01 |
| Lahardaun | D0380-01 |
| Ballina | D0016-01 |
| Swinford | D0068-01 |
| Ballyhaunis | D0069-01 |
| Ballinrobe | D0070-01 |
| Claremorris | D0071-01 |
| Achill Island Central Waste Water Treatment Plant | D0072-01 |
| Crossmolina | D0073-01 |
| Bangor Erris | D0215-01 |
| Balla | D0216-01 |
| Ballindine | D0355-01 |
| Ballycastle | D0356-01 |
| Castlebar | D0047-01 |
| Westport | D0055-01 |
| Cong | D0066-01 |
| Foxford | D0213-01 |
| Charlestown | D0214-01 |
| Kiltimagh | D0217-01 |
| Mallaranny | D0218-01 |
| Shrule | D0359-01 |
| Achill Sound | D0511-01 |
| Killala | D0067-01 |
| Belmullet | D0074-01 |
| Doogort | D0367-01 |
| Newport | D0224-01 |
| Agglomertion | Reference Number |
| Kentstown | D0479-01 |
| Kilmainhamwood | D0481-01 |
| Drumconrath | D0483-01 |
| Kildalkey | D0486-01 |
| Nobber | D0487-01 |
| Carlanstown | D0488-01 |
| Oldcastle | D0258-01 |
| Summerhill | D0259-01 |
| Stanmullen | D0262-01 |
| Navan | D0059-01 |
| Athboy | D0124-01 |
| Enfield | D0131-01 |
| Duleek | D0133-01 |
| Trim | D0137-01 |
| Dunshaughlin | D0138-01 |
| Longwood | D0250-01 |
| Donore | D0251-01 |
| Ballivor | D0254-01 |
| Slane | D0257-01 |
| Kells | D0127-01 |
| Agglomeration | Reference Number |
| Twomileborris | D0474-01 |
| Cloughjordan | D0475-01 |
| Littleton | D0480-01 |
| Killenaule | D0443-01 |
| Kilsheelan | D0452-01 |
| Clogheen | D0453-01 |
| Ballyderihan | D0455-01 |
| Limerick Junction | D0457-01 |
| Ardfinnan | D0311-01 |
| Borrisoleigh | D0323-01 |
| Borrisokane | D0326-01 |
| Thurles | D0026-01 |
| Nenagh | D0027-01 |
| Clonmel | D0035-01 |
| Tipperary Town | D0146-01 |
| Carrick-On-Suir | D0148-01 |
| Fethard | D0164-01 |
| Cahir | D0167-01 |
| Cashel | D0171-01 |
| Ballina | D0189-01 |
| Cappawhite | D0440-01 |
| Mullinahone | D0456-01 |
| Holycross | D0478-01 |
| Templemore | D0190-01 |
| Newport | D0325-01 |
| Roscrea | D0025-01 |
| Agglomeration | Reference Number |
| Athlone | D0007-01 |
| Mullingar | D0008-01 |
| Moate | D0097-01 |
| Tyrellpass | D0099-01 |
| Killucan | D0100-01 |
| Rochfortbridge | D0101-01 |
| Kinnegad | D0104-01 |
| Castlepollard | D0105-01 |
| Delvin | D0267-01 |
| Clonmellon | D0271-01 |
| Ballynacarrigy | D0482-01 |
| Collinstown | D0485-01 |
| Ballymore | D0509-01 |
| Kilbeggan | D0103-01 |
| MultyfarnhamVillage & Environs | D0510-01 |
| Agglomeration | Reference Number |
| Tagoat | D0397-01 |
| Ballymurn and Environs | D0407-01 |
| Blackwater and Environs | D0143-01 |
| Kilmuckridge | D0161-01 |
| Bunclody | D0163-01 |
| Bridgetown | D0231-01 |
| Camolin | D0405-01 |
| New Ross | D0036-01 |
| Rosslare Strandand Environs | D0173-01 |
| Coolgreany | D0174-02 |
| Clonroche | D0404-01 |
| Courtown/Gorey | D0046-01 |
| KilmoreQuay | D0232-01 |
| Ferns | D0169-01 |
| Ballycanew and Environs | D0402-01 |
| Enniscorthy | D0029-01 |
| Wexfordtown | D0030-02 |
| Fetherd-on-Sea | D0241-01 |
| Duncannon | D0245-01 |
| Ballaghkeen | D0398-01 |
| Campile | D0409-01 |
| Rosslare Harbour | D0165-01 |
| New Ross | D0036-01 |
| Agglomeration | Reference Number |
| Avoca | D0411-01 |
| Redcross | D0414-01 |
| Greystones | D0010-01 |
| Wicklow | D0012-01 |
| Blessington | D0063-01 |
| Carnew | D0064-01 |
| Rathdrum | D0086-01 |
| Enniskerry and Environs | D0088-01 |
| Baltinglass | D0089-01 |
| Tinahely | D0221-01 |
| Roundwood | D0223-01 |
| Newcastle | D0410-01 |
| Ballinaclash | D0412-01 |
| Kilpedder | D0416-01 |
| Dunlavin-Milltown | D0476-01 |
| Aughrim | D0222-01 |
| Laragh | D0415-01 |
| Arklow | D0006-02 |
| Kilcoole | D0087-01 |
2021
| Agglomeration | Registration Number |
| Cavan Town | D0020-01 |
| Cootehill | D0082-01 |
| Belturbet | D0084-01 |
| Ballyconnell | D0253-01 |
| Kingscourt | D0083-01 |
| Bailieborough | D0085-01 |
| Mulagh | D0252-01 |
| Virginia | D0255-01 |
| Ballyhaise | D0496-01 |
| Arvagh | D0497-01 |
| Blacklion | D0498-01 |
| Killashandra | D0499-01 |
| Kilnaleck | D0500-01 |
| Ballinagh | |
| Shercock | D0495-01 |
| Ballyjamesduff | D0256-01 |
| Agglomeration | Registration Number |
| Kilrush | D0075-01 |
| Lisdoonvarna | D0077-01 |
| Inagh | D0422-01 |
| Crusheen | D0424-01 |
| Shannon Town | D0045-01 |
| Ennis North | D0048-01 |
| Sixmilebridge | D0076-01 |
| Kilkee | D0078-01 |
| Newmarket on Fergus | D0079-01 |
| Ennistymon | D0081-01 |
| Clareabbey | D0199-01 |
| Quin | D0318-01 |
| Clarecastle | D0322-01 |
| Doonbeg | D0324-01 |
| Ballyvaughan | D0327-01 |
| Liscannor | D0430-01 |
| Kilmurry Ibrickane | D0536-02 |
| Lahinch | D0080-01 |
| Scariff | D0319-01 |
| Tulla | D0320-01 |
| Miltown Malbay | D0321-01 |
| Kilkishen | D0420-01 |
| Corofin | D0434-01 |
| Agglomeration | Registration Number |
| Blarney | D0043-01 |
| North Cobh | D0140-01 |
| Fermoy | D0058-01 |
| Passage Monkstown | D0129-01 |
| Castletownroche | D0293-01 |
| Cloyne | D0298-01 |
| Doneraile | D0300-01 |
| Killeagh | D0301-01 |
| Dromohane | D0302-01 |
| Buttevant | D0303-01 |
| Ladysbridge | D0328-01 |
| Newmarket | D0333-01 |
| Ballingeary | D0431-01 |
| Ballyhooley | D0432-01 |
| Riverstick | D0433-01 |
| Ballyclough | D0441-01 |
| Kildorrery | D0442-01 |
| Churchtown | D0444-01 |
| Castlelyons | D0449-01 |
| Glanworth | D0450-01 |
| Castletownshend | D0468-01 |
| Union Hall | D0469-01 |
| Cork City | D0033-01 |
| Carrigtwohill | D0044-01 |
| Ballincollig | D0049-01 |
| Clonakilty | D0051-01 |
| Mallow | D0052-01 |
| Cobh | D0054-01 |
| Midleton | D0056-01 |
| Ringaskiddy | D0057-01 |
| Macroom | D0126-01 |
| Kinsale | D0132-01 |
| Castlemartyr | D0134-01 |
| Bandon | D0136-01 |
| Youghal | D0139-01 |
| Dunmanway | D0160-01 |
| Skibbereen | D0166-01 |
| Bantry | D0168-01 |
| Rosscarberry Owenhincha | D0172-01 |
| Rathcormac | D0200-01 |
| Watergrasshil | D0201-01 |
| Mitchelstown | D0202-01 |
| Kanturk | D0203-01 |
| Charleville | D0204-01 |
| Courtmacsherry | D0294-02 |
| Baltimore | D0296-01 |
| Castletownbere | D0297-01 |
| Balymakeera | D0299-01 |
| Kileens | D0329-01 |
| Cloughduv | D0330-01 |
| Millstreet | D0332-01 |
| Kilworth | D0334-01 |
| Whitegate Aghada | D0423-01 |
| Kilbrittain | D0425-01 |
| Dripsey | D0426-01 |
| Coachford | D0427-01 |
| Innishannon | D0429-01 |
| Ballingeary | D0431-01 |
| Ringaskiddy Village | D0436-01 |
| Boherbue | D0437-01 |
| Bweeng | D0438-01 |
| Conna | D0439-01 |
| Clondulane | D0445-01 |
| Killavullen | D0447-01 |
| Banteer | D0448-01 |
| Ballydehob | D0467-01 |
| Drimoleague | D0470-01 |
| Glengarriff | D0471-01 |
| Ballineen Enniskean | D0472-01 |
| Glenville | D0515-01 |
| Ballycotton | D0516-01 |
| Carrignavar | D0517-01 |
| Ballygarvan | D0540-01 |
| Belgooly | D0541-01 |
| Durrus | D0545-01 |
| Schull | D0295-01 |
| Agglomeration | Registration Number |
| Dungloe | D0208-01 |
| Convoy | D0344-01 |
| Newtown Cunningham | D0349-01 |
| Downings | D0350-01 |
| Killybegs | D0011-01 |
| Carndonagh Malin | D0113-01 |
| Ballybofey Stranorlar | D0120-01 |
| Buncrana | D0125-01 |
| Ballyshannon | D0128-01 |
| Bundoran | D0130-01 |
| Donegal Town | D0135-01 |
| Raphoe | D0209-01 |
| Dunfanaghy Portnablagh | D0211-01 |
| Ramelton | D0341-01 |
| Milford | D0342-01 |
| Falcarragh | D0343-01 |
| Rathmullen | D0345-01 |
| Ballyliffen | D0351-01 |
| Lifford | D0352-01 |
| Ardara | D0512-01 |
| Kilmacreannan | D0513-01 |
| Castlefinn | D0514-01 |
| Killygordon | D0518-01 |
| Manorcunningham | D0519-01 |
| Kilcar | D0520-02 |
| Carrigart | D0523-01 |
| Burnfoot | D0531-01 |
| Bridgeend | D0532-01 |
| Clonmany | D0533-01 |
| Creeslough | D0534-01 |
| Fahan | D0535-01 |
| Killea | D0537-01 |
| St Johnston | D0538-01 |
| Rossnowlagh | D0539-01 |
| Mountcharles | D0522-01 |
| Agglomeration | Registration Number |
| Tuam | D0031-01 |
| Balinasloe | D0032-01 |
| Moycullen | D0191-01 |
| Gort | D0195-01 |
| Portumna | D0196-01 |
| Oughterard | D0192-01 |
| Kinvara | D0276-01 |
| Dunmore | D0370-01 |
| Glenamaddy | D0379-01 |
| Moylough | D0403-01 |
| Galway City | D0050-01 |
| Athenry | D0193-01 |
| Loughrea | D0194-01 |
| Headford | D0197-01 |
| Clifden | D0198-01 |
| Mountbellew | D0219-01 |
| Ballygar | D0371-01 |
| Carraroe | D0388-01 |
| Spiddal | D0396-01 |
| Claregalway | D0543-01 |
| Agglomeration | Registration Number |
| Killarney | D0037-01 |
| Castleisland | D0180-01 |
| Cahersiveen | D0181-01 |
| Killorglan | D0182-01 |
| Dingle | D0185-01 |
| Ballyheigue | D0186-01 |
| Waterville | D0287-01 |
| Ardfert | D0282-01 |
| Tarbert | D0283-01 |
| Glenbeigh | D0286-01 |
| Rathmore | D0419-01 |
| Knightstown | D0421-01 |
| Tralee | D0040-01 |
| Listowel | D0179-01 |
| Ballybunion | D0183-01 |
| Kenmare | D0184-01 |
| Fenit | D0284-01 |
| Sneem | D0285-01 |
| Milltown | D0331-01 |
| Abbeydorney | D0417-01 |
| Ballylongford | D0459-01 |
| Firies | D0460-01 |
| Castlegregory | D0461-01 |
| Lixnaw | D0462-01 |
| Ballyduff | D0418-01 |
| Agglomeration | Registration Number |
| Athy | D0003-01 |
| Rathangan | D0175-01 |
| Monasterevin | D0177-01 |
| Kilmeague | D0233-01 |
| Robertstown | D0234-01 |
| Castledermot | D0236-01 |
| Ballymore Eustace | D0238-01 |
| Coill Dubh | D0242-01 |
| Derrinturn | D0244-01 |
| Kildare | D0178-01 |
| Allenwood | D0493-01 |
| Upper Liffey Valley | D0002-01 |
| Lower Liffey Valley | D0004-02 |
| Agglomeration | Registration Number |
| Paulstown | D0339-01 |
| Clogh - Moneenroe | D0340-01 |
| Johnstown | D0401-01 |
| Kilkenny City and Environs | D0018-01 |
| Mooncoin | D0145-01 |
| Castlecomer | D0149-01 |
| Thomastown | D0151-01 |
| Graignamanagh | D0155-01 |
| Piltown | D0157-01 |
| Callan | D0159-01 |
| Gowran | D0335-01 |
| Urlingford | D0336-01 |
| Ballyragget | D0337-01 |
| Bennettsbridge | D0400-01 |
| Kilmacow | D0525-01 |
| Freshford | D0526-01 |
| Fiddown | D0528-01 |
| Goresbridge | D0529-01 |
| Ballyhale-Knocktopher | D0530-01 |
| Agglomeration | Registration Number |
| Portlaoise | D0001-01 |
| Mountrath | D0153-01 |
| Abbeyleix | D0156-01 |
| Rathdowney | D0288-01 |
| Durrow | D0289-01 |
| Borris-in-Ossory | D0290-01 |
| Ballylynan | D0291-01 |
| Stradbally | D0292-01 |
| Clonaslee | D0386-01 |
| Ballyroan | D0385-01 |
| Mountmellick | D0152-01 |
| Portarlington | D0158-01 |
| Ballinakill | D0384-01 |
| Castletown | D0387-01 |
| Agglomeration | Registration Number |
| Killmallock | D0106-01 |
| Murroe | D0306-01 |
| Caherconlish | D0308-01 |
| Adare | D0312-01 |
| Limerick | D0013-01 |
| Castletroy | D0019-01 |
| Newcastle West | D0108-01 |
| Rathkeale | D0112-01 |
| Abbeyfeale | D0115-01 |
| Pallaskenry | D0304-01 |
| Kilfinnane | D0305-01 |
| Croom | D0307-01 |
| Doon | D0309-01 |
| Cappamore | D0310-01 |
| Bruff | D0313-01 |
| Hospital | D0314-01 |
| Askeaton | D0315-01 |
| Dromcollagher | D0316-01 |
| Foynes | D0502-01 |
| Pallasgreen | D0503-01 |
| Glin | D0504-01 |
| Oola | D0505-01 |
| Bruree | D0506-01 |
| Athea | D0508-01 |
| Ballingary | D0507-01 |
| Agglomeration | Registration Number |
| Drogheda | D0041-01 |
| Dunleer | D0111-01 |
| Knockbridge | D0260-01 |
| Collon | D0261-01 |
| LouthVillage | D0263-01 |
| Tullyallen | D0266-01 |
| Carlingford | D0268-01 |
| Tallanstown | D0270-01 |
| Dundalk | D0053-01 |
| Ardee | D0117-01 |
| Dromiskin | D0264-01 |
| Clogherhead | D0265-01 |
| Castlebellingham | D0269-01 |
| Blackrock | D0188-01 |
| Dromiskin | D0264-01 |
| Agglomeration | Registration Number |
| Ballina | D0016-01 |
| Knock | D0065-01 |
| Swinford | D0068-01 |
| Ballyhaunis | D0069-01 |
| Crossmolina | D0073-01 |
| Balla | D0216-01 |
| Achill Island | D0072-01 |
| Bangor Erris | D0215-01 |
| Kiltimagh | D0217-01 |
| Malaranny | D0218-01 |
| Ballindine | D0355-01 |
| Ballycastle | D0356-01 |
| Kilkelly | D0357-01 |
| Shrule | D0359-01 |
| Kilmaine | D0361-01 |
| Doogort | D0367-01 |
| Lahardaun | D0380-01 |
| Cong | D0066-01 |
| Belcarra | D0366-01 |
| Castlebar | D0047-01 |
| Westport | D0055-01 |
| Killala | D0067-01 |
| Ballinrobe | D0070-01 |
| Claremorris | D0071-01 |
| Belmullet | D0074-01 |
| Foxford | D0213-01 |
| Louisburgh | D0220-01 |
| Achill Sound | D0511-01 |
| Newport | D0224-01 |
| Charlestown | D0214-01 |
| Agglomeration | Registration Number |
| Athboy | D0124-01 |
| Duleek | D0133-01 |
| Trim | D0137-01 |
| Dunshaughlin | D0138-01 |
| Longwood | D0250-01 |
| Ballivor | D0254-01 |
| Oldcastle | D0258-01 |
| Stamullen | D0262-01 |
| Navan | D0059-01 |
| Kells | D0127-01 |
| Enfield | D0131-01 |
| Slane | D0257-01 |
| Summerhill | D0259-01 |
| Kentstown | D0479-01 |
| Kilmainhamwood | D0481-01 |
| Drumconrath | D0483-01 |
| Kildalkey | D0486-01 |
| Nobber | D0487-01 |
| Carlanstown | D0488-01 |
| Donore | D0251-01 |
| Agglomeration | Registration Number |
| Ballybay | D0207-01 |
| Emyvale | D0346-01 |
| Glaslough | D0347-01 |
| Inniskeen | D0348-01 |
| Ballinode | D0435-01 |
| Knockaconny | D0463-01 |
| SmithBoro | D0464-01 |
| Monaghan | D0061-01 |
| Carrickmacross | D0062-01 |
| Castleblayney | D0205-01 |
| Clones | D0206-01 |
| Rockcorry | D0454-01 |
| Newbliss | D0458-01 |
| Scotstown | D0494-01 |
| Agglomeration | Registration Number |
| Thurles | D0026-01 |
| Roscrea | D0025-01 |
| Borrisoleigh | D0323-01 |
| Borrisokane | D0326-01 |
| Killenaule | D0443-01 |
| Clogheen | D0453-01 |
| Ballyclerihan | D0455-01 |
| Mullinahone | D0456-01 |
| Limerick Junction | D0457-01 |
| Nenagh | D0027-01 |
| Clonmel | D0035-01 |
| Tipperary Town | D0146-01 |
| Carrick-On-Suir | D0148-01 |
| Fethard | D0164-01 |
| Cashel | D0171-01 |
| Templemore | D0190-01 |
| Newport | D0325-01 |
| Ardfinnan | D0311-01 |
| Cappawhite | D0440-01 |
| Kilsheelan | D0452-01 |
| Twomileborris | D0474-01 |
| Cloughjordan | D0475-01 |
| Holycross | D0478-01 |
| Littleton | D0480-01 |
| Cahir | D0167-01 |
| Ballina | D0189-01 |
| Agglomeration | Registration Number |
| Moate | D0097-01 |
| Rochfortbridge | D0101-01 |
| Kilbeggan | D0103-01 |
| Delvin | D0267-01 |
| Athlone | D0007-01 |
| Mullingar | D0008-01 |
| Killucan | D0100-01 |
| Castlepollard | D0105-01 |
| Clonmellon | D0271-01 |
| Ballynacarrigy | D0482-01 |
| Collinstown | D0485-01 |
| Multyfarnham Village Environs | D0510-01 |
| Tyrellspass | D0099-01 |
| Kinnegad | D0104-01 |
| Ballymore | D0509-01 |
| Kilcullen |
| Agglomeration | Registration Number |
| Blackwater and Environs | D0143-01 |
| Coolgreany | D0174-02 |
| Ballycanew and Environs | D0402-01 |
| Clonroche | D0404-01 |
| Enniscorthy | D0029-01 |
| Wexford town | D0030-02 |
| Courtown/Gorey | D0046-01 |
| Kilmuckridge | D0161-01 |
| Bunclody | D0163-01 |
| Rosslare Harbour | D0165-01 |
| Ferns | D0169-01 |
| Rosslare Strand and Environs | D0173-01 |
| Bridgetown | D0231-01 |
| Kilmore Quay | D0232-01 |
| Fetherd-on-Sea | D0241-01 |
| Duncannon | D0245-01 |
| Tagoat | D0397-01 |
| Ballaghkeen | D0398-01 |
| Camolin | D0405-01 |
| Ballymurn and Environs | D0407-01 |
| Campile | D0409-01 |
| New Ross | D0036-01 |
| Agglomeration | Registration Number |
| Greystones | D0010-01 |
| Wicklow | D0012-01 |
| Carnew | D0064-01 |
| Rathdrum | D0086-01 |
| Kilcoole | D0087-01 |
| EnniskerryandEnvirons | D0088-01 |
| Baltinglass | D0089-01 |
| Tinahely | D0221-01 |
| Roundwood | D0223-01 |
| Newcastle | D0410-01 |
| Avoca | D0411-01 |
| Ballinaclash | D0412-01 |
| Redcross | D0414-01 |
| Laragh | D0415-01 |
| Kilpedder | D0416-01 |
| Blessington | D0063-01 |
| Aughrim | D0222-01 |
| Dunlavin - Milltown | D0476-01 |
2020
| Agglomeration | Registration Number |
| Belturbert | D0084-01 |
| Cavan Town | D0020-01 |
| Blacklion | D0498-01 |
| Bailieborough | D0058-01 |
| Belturbet | D0084-01 |
| Killashandra | D0499-01 |
| Kingscourt | D0083-01 |
| Kilnaleck | D0500-01 |
| Cootehill | D0082-01 |
| Ballyconnell | D0253-01 |
| Ballyjamesduff | D0256-01 |
| Shercock | D0495-01 |
| Ballyhaise | D0496-01 |
| Ballinagh | D0501-01 |
| Mullagh | D0252-01 |
| Arvagh | D0497-01 |
| Virginia | D0255-01 |
| Agglomeration | Registration Number |
| Clareabbey | D0199-01 |
| Scarriff | D0319-01 |
| Liscannor | D0430-01 |
| Inagh | D0422-01 |
| Ballyvaughan | D0327-01 |
| Clarecastle | D0322-01 |
| Quin | D0318-01 |
| Kilmurry Ibrickane | D0536-02 |
| Ennis North | D0048-01 |
| Ennistymon | D0081-01 |
| Shannon Town | D0045-01 |
| Sixmilebridge | D0076-01 |
| Kilrush | D0075-01 |
| Lisdoonvarna | D0077-01 |
| Lahinch | D0080-01 |
| Milltown Malbay | D0321-01 |
| Newmarket on Fergus | D0079-01 |
| Tulla | D0320-01 |
| Doonbeg | D0324-01 |
| Kilkee | D0078-01 |
| Kilkishen | D0420-01 |
| Crusheen | D0424-01 |
| Corofin | D0434-01 |
| Agglomeration | Registration Number |
| Dripsey | D0426-01 |
| Ballyhooly | D0432-01 |
| Churchtown | D0444-01 |
| Belgooly | D0541-01 |
| Boherbue | D0437-01 |
| Cloughduv | D0330-01 |
| Ballycotton | D0516-01 |
| Millstreet | D0332-01 |
| Mallow | D0052-01 |
| Ringaskiddy | D0057-01 |
| Courtmacsherry | D0294-02 |
| Fermoy | D0058-01 |
| Cobh | D0054-01 |
| Ballydehob | D0467-01 |
| Castletownroche | D0293-01 |
| Kanturk | D0203-01 |
| Dunmanway | D0160-01 |
| Cork City | D0033-01 |
| Midleton | D0056-01 |
| Bandon | D0136-01 |
| Banteer | D0448-01 |
| Ballincollig | D0049-01 |
| Baltimore | D0296-01 |
| Buttevant | D0303-01 |
| Charleville | D0204-01 |
| Castletownbere | D0297-01 |
| Clonakilty | D0051-01 |
| Doneraile | D0300-01 |
| Dromohane | D0302-01 |
| Durrus | D0545-01 |
| Drimoleague | D0470-01 |
| Glanworth | D0450-01 |
| Killavullen | D0447-01 |
| Ballyclough | D0441-01 |
| Bweeng | D0438-01 |
| Inishannon | D0429-01 |
| Kilbrittain | D0425-01 |
| Watergrasshill | D0201-01 |
| Conna | D0439-01 |
| Riverstick | D0433-01 |
| Kileens | D0329-01 |
| North Cobh | D0140-01 |
| Blarney | D0043-01 |
| Carrigtwohill | D0044-01 |
| Passage Monkstown | D0129-01 |
| Skibbereen | D0166-01 |
| Bantry | D0168-01 |
| Rosscarberry Owenhincha | D0172-01 |
| Cloyne | D0298-01 |
| Ballymakeera | D0299-01 |
| Killeagh | D0301-01 |
| Kilworth | D0334-01 |
| Ladysbridge | D0328-01 |
| Whitegate Aghada | D0423-01 |
| Coachford | D0427-01 |
| Ballingeary | D0431-01 |
| Glengarriff | D0471-01 |
| Ballineen Enniskean | D0472-01 |
| Ballygarvan | D0540-01 |
| Schull | D0295-01 |
| Youghal | D0139-01 |
| Kinsale | D0132-01 |
| Castlemartyr | D0134-01 |
| Castletownshend | D0468-01 |
| Rathcormac | D0200-01 |
| Ringaskiddy Village | D0436-01 |
| Boherbue | D0437-01 |
| Kildorrery | D0442-01 |
| Clondulane and Environs | D0445-01 |
| Castlelyons and Environs | D0449-01 |
| Union Hall | D0469-01 |
| Macroom | D0126-01 |
| Mitchelstown | D0202-01 |
| Newmarket | D0333-01 |
| Glenville | D0515-01 |
| Carrignavar | D0517-01 |
| Agglomeration | Registration Number |
| St. Johnston | D0538-01 |
| Killea | D0537-01 |
| Burnfoot | D0531-01 |
| Milford | D0342-01 |
| Ballybofey Stranolar | D0120-01 |
| Killybegs | D0011-01 |
| Bridgeend | D0532-01 |
| Rathmullen | D0345-01 |
| Falcarragh | D0343-01 |
| Ramelton | D0341-01 |
| Kilcar | D0520-02 |
| Ardara | D0512-01 |
| Castlefinn | D0514-01 |
| Carrigart | D0523-01 |
| Clonmany | D0533-01 |
| Lifford | D0352-01 |
| Ballyliffen | D0351-01 |
| Downings | D0350-01 |
| Newtowncunningham | D0349-01 |
| Convoy | D0344-01 |
| Dunfanaghy Portnablagh | D0211-01 |
| Glenties | D0210-01 |
| Killygordon | D0518-01 |
| Kilmacreannan | D0513-01 |
| Fahan | D0535-01 |
| Raphoe | D0209-01 |
| Ballyshannon | D0128-01 |
| Buncrana | D0125-01 |
| Letterkenny | D0009-01 |
| Carndonagh Malin | D0113-01 |
| Bundoran | D0130-01 |
| Manorcunningham | D0519-01 |
| Mountcharles | D0522-01 |
| Rossnowlagh | D0539-01 |
| Dungloe | D0208-01 |
| Creeslough | D0534-01 |
| Donegal Town | D0135-01 |
| Agglomeration | Registration Number |
| Galway City | D0050-01 |
| Mountbellew | D0219-01 |
| Glenamaddy | D0379-01 |
| Oughterard | D0192-01 |
| Spiddal | D0396-01 |
| Athenry | D0193-01 |
| Claregalway | D0543-01 |
| Dunmore | D0370-01 |
| Kinvara | D0276-01 |
| Headford | D0197-01 |
| Portumna | D0196-01 |
| Gort | D0195-01 |
| Moycullen | D0191-01 |
| Moylough | D0403-01 |
| Ballinasloe | D0032-01 |
| Tuam | D0031-01 |
| Clifden | D0198-01 |
| Loughrea | D0194-01 |
| Ballygar | D0371-01 |
| Carraroe | D0388-01 |
| Agglomeration | Registration Number |
| Castleisland | D0180-01 |
| Milltown | D0331-01 |
| Sneem | D0285-01 |
| Killarney | D0037-01 |
| Castlegregory | D0461-01 |
| Killorglin | D0182-01 |
| Lixnaw | D0462-01 |
| Abbeydorney | D0417-01 |
| Tralee | D0040-01 |
| Ballyheigue | D0186-01 |
| Cahirsiveen | D0181-01 |
| Dingle | D0185-01 |
| Fenit | D0284-01 |
| Glenbeigh | D0286-01 |
| Kenmare | D0184-01 |
| Tarbert | D0283-01 |
| Ballyduff | D0418-01 |
| Listowel | D0179-01 |
| Tarbert | D0283-01 |
| Waterville | D0287-01 |
| Ardfert | D0282-01 |
| Ballylongford | D0459-01 |
| Ballybunion | D0183-01 |
| Rathmore | D0419-01 |
| Knightstown | D0421-01 |
| Fieries | D0460-01 |
| Agglomeration | Registration Number |
| Freshford | D0526-01 |
| Goresbridge | D0529-01 |
| Clogh - Moneenroe | D0340-01 |
| Ballyhale-Knocktopher | D0530-01 |
| Fiddown | D0528-01 |
| Kilmacow | D0525-01 |
| Paulstown | D0339-01 |
| Kilkenny City and Environs | D0018-01 |
| Bennettsbridge | D0400-01 |
| Castlecomer | D0149-01 |
| Gowran | D0335-01 |
| Graignamanagh | D0155-01 |
| Thomastown | D0151-01 |
| Mooncoin | D0145-01 |
| Piltown | D0157-01 |
| Callan | D0159-01 |
| Urlingford | D0336-01 |
| Johnstown | D0401-01 |
| Agglomeration | Registration Number |
| Clonaslee | D0386-01 |
| Ballyroan | D0385-01 |
| Castletown | D0387-01 |
| Portlaoise | D0001-01 |
| Mountmellick | D0152-01 |
| Mountrath | D0153-01 |
| Abbeyleix | D0156-01 |
| Portarlington | D0158-01 |
| Rathdowney | D0288-01 |
| Durrow | D0289-01 |
| Borris-in-Ossory | D0290-01 |
| Ballylynan | D0291-01 |
| Stradbally | D0292-01 |
| Ballinakill | D0384-01 |
| Agglomeration | Registration Number |
| Ballingarry | D0507-01 |
| Castletroy | D0019-01 |
| Foynes | D0502-01 |
| Askeaton | D0315-01 |
| Athea | D0508-01 |
| Bruree | D0506-01 |
| Pallasgreen | D0503-01 |
| Caherconlish | D0308-01 |
| Croom | D0307-01 |
| Kilfinnane | D0305-01 |
| Pallaskenry | D0304-01 |
| Rathkeale | D0112-01 |
| Oola | D0505-01 |
| Glin | D0504-01 |
| Abbeyfeale | D0115-01 |
| Adare | D0312-01 |
| Bruff | D0313-01 |
| Cappamore | D0310-01 |
| Doon | D0309-01 |
| Drumcollagher | D0316-01 |
| Limerick | D0013-01 |
| Murroe | D0306-01 |
| Newcastle West | D0108-01 |
| Kilmallock | D0106-01 |
| Hospital | D0314-01 |
| Agglomeration | Registration Number |
| Dunleer | D0111-01 |
| Castlebellingham | D0269-01 |
| Clogherhead | D0265-01 |
| Blackrock | D0188-01 |
| Dundalk | D0053-01 |
| Drogheda | D0041-01 |
| Knockbridge | D0260-01 |
| Collon | D0261-01 |
| Louth Village | D0263-01 |
| Tullyallen | D0266-01 |
| Carlingford | D0268-01 |
| Tallanstown | D0270-01 |
| Ardee | D0117-01 |
| Dromiskin | D0264-01 |
| Agglomeration | Registration Number |
| Balla | D0216-01 |
| Belcarra | D0366-01 |
| Shrule | D0359-01 |
| Kilkelly | D0357-01 |
| Ballycastle | D0356-01 |
| Ballindine | D0355-01 |
| Mallaranny | D0218-01 |
| Kiltimagh | D0217-01 |
| Crossmolina | D0073-01 |
| Claremorris | D0071-01 |
| Castlebar | D0047-01 |
| Ballinrobe | D0070-01 |
| Ballyhaunis | D0069-01 |
| Swinford | D0068-01 |
| Knock | D0065-01 |
| Kilmaine | D0361-01 |
| Killala | D0067-01 |
| Westport | D0055-01 |
| Ballina | D0016-01 |
| Achill Island Central Waste Water Treatment Plant | D0072-01 |
| Belmullet | D0074-01 |
| Foxford | D0213-01 |
| Charlestown | D0214-01 |
| Louisburgh | D0220-01 |
| Lahardaun | D0380-01 |
| Doogort | D0367-01 |
| Achill Sound | D0511-01 |
| Cong | D0066-01 |
| Bangor Erris | D0215-01 |
| Newport | D0224-01 |
| Agglomeration | Registration Number |
| Dunshaughlin | D0138-01 |
| Duleek | D0133-01 |
| Navan | D0059-01 |
| Athboy | D0124-01 |
| Enfield | D0131-01 |
| Trim | D0137-01 |
| Longwood | D0250-01 |
| Donore | D0251-01 |
| Ballivor | D0254-01 |
| Kells | D0127-01 |
| Slane | D0257-01 |
| Oldcastle | D0258-01 |
| Summerhill | D0259-01 |
| Stamullen | D0262-01 |
| Kentstown | D0479-01 |
| Kilmainhamwood | D0481-01 |
| Drumconrath | D0483-01 |
| Kildalkey | D0486-01 |
| Nobber | D0487-01 |
| Carlanstown | D0488-01 |
| Agglomeration | Registration Number |
| Rockcorry | D0454-01 |
| Ballinode | D0435-01 |
| Inniskeen | D0348-01 |
| Glaslough | D0347-01 |
| Emyvale | D0346-01 |
| Ballybay | D0207-01 |
| Clones | D0206-01 |
| Monaghan | D0061-01 |
| Newbliss | D0458-01 |
| Castleblayney | D0205-01 |
| Knockaconny | D0463-01 |
| Smithborough | D0464-01 |
| Scotstown | D0494-01 |
| Carrickmacross | D0062-01 |
| Agglomeration | Registration Number |
| Newport | D0325-01 |
| Nenagh | D0027-01 |
| Borrisoleigh | D0323-01 |
| Kilsheelan | D0452-01 |
| Killenaule | D0443-01 |
| Cappawhite | D0440-01 |
| Cashel | D0171-01 |
| Ardfinnan | D0311-01 |
| Templemore | D0190-01 |
| Fethard | D0164-01 |
| Carrick-On-Suir | D0148-01 |
| Thurles | D0026-01 |
| Borrisokane | D0326-01 |
| Clogheen | D0453-01 |
| Ballyclerihan | D0455-01 |
| Twomileborris | D0474-01 |
| Cloughjordan | D0475-01 |
| Littleton | D0480-01 |
| Limerick Junction | D0457-01 |
| Roscrea | D0025-01 |
| Tipperary Town | D0146-01 |
| Holycross | D0478-01 |
| Clonmel | D0035-01 |
| Cahir | D0167-01 |
| Ballina | D0189-01 |
| Agglomeration | Registration Number |
| Collinstown | D0485-01 |
| Multyfarnham Village & Environs | D0510-01 |
| Kinnegad | D0104-01 |
| Kilbeggan | D0103-01 |
| Moate | D0097-01 |
| Ballymore | D0509-01 |
| Delvin | D0267-01 |
| Athlone | D0007-01 |
| Mullingar | D0008-01 |
| Tyrellspass | D0099-01 |
| Killucan | D0100-01 |
| Rochfortbridge | D0101-01 |
| Castlepollard | D0105-01 |
| Delvin | D0267-01 |
| Clonmellon | D0271-01 |
| Ballynacarrigy | D0482-01 |
| Agglomeration | Registration Number |
| Campile | D0409-01 |
| Coolgreany | D0174-02 |
| Enniscorthy | D0029-01 |
| Ballymurn and Environs | D0407-01 |
| Duncannon | D0245-01 |
| Rosslare Harbour | D0165-01 |
| Kilmuckridge | D0161-01 |
| New Ross | D0036-01 |
| Camolin | D0405-01 |
| Ballaghkeen | D0398-01 |
| Kilmore Quay | D0232-01 |
| Courtown/Gorey | D0046-01 |
| Bunclody | D0163-01 |
| Fethard-On-Sea | D0241-01 |
| Blackwater and Environs | D0143-01 |
| Ferns | D0169-01 |
| Tagoat and Environs | D0397-01 |
| Rosslare Strand and Environs | D0173-01 |
| Bridgetown | D0231-01 |
| Taghmon | D0389-01 |
| Ballycanew and Environs | D0402-01 |
| Piercetown and Environs | D0406-01 |
| Wexford town | D0030-02 |
| Clonroche | D0404-01 |
| Agglomeration | Registration Number |
| Enniskerry | D0088-01 |
| Kilcoole | D0087-01 |
| Redcross | D0414-01 |
| Aughrim | D0222-01 |
| Dunlavin-Milltown | D0476-01 |
| Newcastle | D0410-01 |
| Tinahely | D0221-01 |
| Bray | D0005-01 |
| Greystones | D0010-01 |
| Wicklow | D0012-01 |
| Carnew | D0064-01 |
| Rathdrum | D0086-01 |
| Baltinglass | D0089-01 |
| Roundwood | D0223-01 |
| Ballinaclash | D0412-01 |
| Laragh | D0415-01 |
| Kilpedder | D0416-01 |
| Blessington | D0063-01 |
2019
| Agglomeration | Registration Number |
| Carlow | D0028-01 |
| Muinebheag Leighlinbridge | D0090-01 |
| Tullow | D0091-01 |
| Rathvilly Wastewater Treatment Plant | D0237-01 |
| Hacketstown Wastewater Treatment Plant | D0243-01 |
| Fenagh Wastewater Treatment Plant | D0246-01 |
| Ballon Wastewater Treatment Plant | D0247-01 |
| Borris Waste Water Works | D0248-01 |
| Myshall Wastewater Treatment plant | D0390-01 |
| Palatine Wastewater Treatment Plant | D0391-01 |
| Rathoe | D0240-01 |
| Agglomeration | Registration Number |
| Cootehill | D0082-01 |
| Cavan Town | D0020-01 |
| Kingscourt | D0083-01 |
| Belturbet | D0084-01 |
| Bailieborough | D0085-01 |
| Ballyconnell | D0253-01 |
| Mullagh | D0252-01 |
| Virginia | D0255-01 |
| Blacklion | D0498-01 |
| Ballinagh | D0501-01 |
| Ballyjamesduff | D0256-01 |
| Shercock | D0495-01 |
| Ballyhaise | D0496-01 |
| Killeshandra | D0499-01 |
| Kilnaleck | D0500-01 |
| Agglomeration | Registration Number |
| Ennis North | D0048-01 |
| Kilrush | D0075-01 |
| Sixmilebridge | D0076-01 |
| Lisdoonvarna | D0077-01 |
| Newmarket on Fergus | D0079-01 |
| Lehinch | D0080-01 |
| Ennistymon | D0081-01 |
| Clareabbey | D0199-01 |
| Quin | D0318-01 |
| Scarriff | D0319-01 |
| Milltown/Malbay | D0321-01 |
| Clarecastle | D0322-01 |
| Doonbeg | D0324-01 |
| Ballyvaughan | D0327-01 |
| Liscannor | D0430-01 |
| Kilkishen | D0420-01 |
| Corofin | D0434-01 |
| Inagh | D0422-01 |
| Crusheen | D0424-01 |
| Tulla | D0320-01 |
| Shannon Town | D0045-01 |
| Kilkee | D0078-01 |
| Kilmurry Ibrickane | D0536-02 |
| Agglomeration | Registration Number |
| Blarney | D0043-01 |
| Ballincollig New | D0049-01 |
| Cork City | D0033-01 |
| Midleton | D0056-01 |
| Fermoy | D0058-01 |
| Carrigtwohill and Environs | D0044-01 |
| Clonakilty and Environs | D0051-01 |
| Macroom | D0126-01 |
| Kinsale | D0132-01 |
| Castlemartyr | D0134-01 |
| Bandon | D0136-01 |
| North Cobh | D0140-01 |
| Dunmanway | D0160-01 |
| Skibbereen | D0166-01 |
| Bantry | D0168-01 |
| Ballycotton | D0516-01 |
| Rosscarbery/Owenahincha | D0172-01 |
| Rathcormac | D0200-01 |
| Watergrasshill | D0201-01 |
| Mitchelstown | D0202-01 |
| Kanturk | D0203-01 |
| Charleville and Environs | D0204-01 |
| Castletownroche | D0293-01 |
| Schull | D0295-01 |
| Baltimore | D0296-01 |
| Castletownbere | D0297-01 |
| Cloyne | D0298-01 |
| Ballyvourney Ballymakeery | D0299-01 |
| Doneraile | D0300-01 |
| Killeagh | D0301-01 |
| Dromahane and Environs | D0302-01 |
| Buttevant | D0303-01 |
| Ladysbridge | D0328-01 |
| Milstreet | D0332-01 |
| Newmarket | D0333-01 |
| Kilworth | D0334-01 |
| Kilbrittain | D0425-01 |
| Coachford | D0427-01 |
| Castletownshend | D0468-01 |
| Ballingeary | D0431-01 |
| Ballyhooley and Environs | D0432-01 |
| Boherbue | D0437-01 |
| Riverstick | D0433-01 |
| Bweeng | D0438-01 |
| Conna and Environs | D0439-01 |
| Churchtown and Environs | D0444-01 |
| Killavullen | D0447-01 |
| Banteer and Environs | D0448-01 |
| Glanworth | D0450-01 |
| Ballydehob | D0467-01 |
| Union Hall | D0469-01 |
| Drimoleague | D0470-01 |
| Glengarriff | D0471-01 |
| Ballineen/Enniskeane | D0472-01 |
| Kildorrery | D0442-01 |
| Glenville | D0515-01 |
| Ballygarvan | D0540-01 |
| Killeens | D0329-01 |
| Clondulane and Environs | D0445-01 |
| Dripsey | D0426-01 |
| Durrus | D0545-01 |
| Castlelyons and Environs | D0449-01 |
| Cloughduv | D0330-01 |
| Innishannon | D0429-01 |
| Ballyclough | D0441-01 |
| Carrignavar | D0517-01 |
| Belgooly | D0541-01 |
| Ringaskiddy | D0057-01 |
| Mallow | D0052-01 |
| Youghal | D0139-01 |
| Cobh | D0054-01 |
| Passage Monkstown | D0129-01 |
| Ringaskiddy Village | D0436-01 |
| Whitegate Aghada | D0423-01 |
| Courtmacsherry-Timoleague | D0294-02 |
| Agglomeration | Registration Number |
| Letterkenny | D0009-01 |
| Killybegs | D0011-01 |
| Burnfoot | D0531-01 |
| Bridgend | D0532-01 |
| Ballybofey Stranorlar | D0120-01 |
| Buncrana | D0125-01 |
| Ballyshannon | D0128-01 |
| Bundoran | D0130-01 |
| Donegal Town | D0135-01 |
| Dungloe | D0208-01 |
| Raphoe | D0209-01 |
| Glenties | D0210-01 |
| Dunfanaghy/Portnablagh | D0211-01 |
| Ramelton | D0341-01 |
| Milford | D0342-01 |
| Falcarrgh | D0343-01 |
| Convoy | D0344-01 |
| Rathmullan | D0345-01 |
| Newtowncunningham | D0349-01 |
| Downings | D0350-01 |
| Ballyliffen | D0351-01 |
| Lifford | D0352-01 |
| Ardara | D0512-01 |
| Castlefinn | D0514-01 |
| Kilcar | D0520-02 |
| Kilmacreannan | D0513-01 |
| Killygordon | D0518-01 |
| Manorcunningham | D0519-01 |
| Mountcharles | D0522-01 |
| Carrigart | D0523-01 |
| Clonmany | D0533-01 |
| Creeslough | D0534-01 |
| Fahan | D0535-01 |
| Killea | D0537-01 |
| St. Johnston | D0538-01 |
| Rossnowlagh | D0539-01 |
| Cardonagh Malin | D0113-01 |
| Agglomeration | Registration Number |
| Galway | D0050-01 |
| Tuam | D0031-01 |
| Ballinasloe | D0032-01 |
| Moycullen | D0191-01 |
| Oughterard WWTP | D0192-01 |
| Athenry | D0193-01 |
| Loughrea | D0194-01 |
| Gort | D0195-01 |
| Portumna | D0196-01 |
| Headford | D0197-01 |
| Kinvara | D0276-01 |
| Mountbellew | D0291-01 |
| Dunmore | D0370-01 |
| Ballygar | D0371-01 |
| Glenamaddy | D0379-01 |
| Carraroe | D0388-01 |
| Spiddal | D0396-01 |
| Moylough | D0403-01 |
| Claregalway | D0543-01 |
| Clifden | D0198-01 |
| Agglomeration | Registration Number |
| Killarney | D0037-01 |
| Abbeydorney | D0417-01 |
| Listowel WWTP | D0179-01 |
| Castleisland | D0080-01 |
| Cahersiveen | D0181-01 |
| Killorglin | D0182-01 |
| Ballybunion | D0183-01 |
| Kenmare | D0184-01 |
| Dingle | D0185-01 |
| Ballyheigue | D0186-01 |
| Ardfert | D0282-01 |
| Tarbert | D0283-01 |
| Tralee | D0040-01 |
| Fenit | D0284-01 |
| Sneem | D0285-01 |
| Glenbeigh | D0286-01 |
| Waterville | D0287-01 |
| Milltown | D0331-01 |
| Ballyduff | D0418-01 |
| Rathmore | D0419-01 |
| Knightstown | D0421-01 |
| Ballylongford | D0459-01 |
| Fieries | D0460-01 |
| Castlegregory | D0461-01 |
| Lixnaw | D0462-01 |
| Agglomeration | Registration Number |
| Athy | D0003-01 |
| Lower Liffey Valley Regional Sewerage Scheme | D0004-02 |
| Rathangan | D0175-01 |
| Monasterevin | D0177-01 |
| Kildare Town | D0178-01 |
| Kilmeague | D0233-01 |
| Robertstown | D0234-01 |
| Castledermot | D0236-01 |
| Ballymore Eustace | D0238-01 |
| Coill Dubh | D0242-01 |
| Derrinturn | D0244-01 |
| Upper Liffey Valley Sewerage Scheme | D0002-01 |
| Allenwood | D0493-01 |
| Agglomeration | Registration Number |
| Kilkenny City and Environs | D0018-01 |
| Edenderry | D0110-01 |
| Mooncoin | D0145-01 |
| Castlecomer | D0149-01 |
| Thomastown | D0151-01 |
| Graignamanagh | D0155-01 |
| Piltown | D0157-01 |
| Callan | D0159-01 |
| Gowran | D0335-01 |
| Freshford | D0526-01 |
| Goresbridge | D0529-01 |
| Urlingford | D0336-01 |
| Ballyragget | D0337-01 |
| Paulstown | D0339-01 |
| Clogh - Moneenroe | D0340-01 |
| Bennettsbridge | D0400-01 |
| Johnstown | D0401-01 |
| Kilmacow | D0525-01 |
| Fiddown | D0528-01 |
| Ballyhale-Knocktopher | D0530-01 |
| Agglomeration | Registration Number |
| Portlaoise | D0001-01 |
| Mountmellick | D0152-01 |
| Mountrath | D0153-01 |
| Abbeyleix | D0156-01 |
| Portarlington | D0158-01 |
| Rathdowney | D0288-01 |
| Durrow | D0289-01 |
| Borris-in-Ossory | D0290-01 |
| Ballylinan | D0291-01 |
| Stradbally | D0292-01 |
| Ballinakill | D0384-01 |
| Ballyroan | D0385-01 |
| Clonaslee | D0386-01 |
| Castletown | D0387-01 |
| Agglomeration | Registration Number |
| Limerick | D0013-01 |
| Castletroy | D0019-01 |
| Kilmallock | D0106-01 |
| Newcastle West | D0108-01 |
| Rathkeale | D0112-01 |
| Abbeyfeale | D0115-01 |
| Pallaskenry | D0304-01 |
| Kilfinnane | D0305-01 |
| Murroe | D0306-01 |
| Croom | D0307-01 |
| Cahercornlish | D0308-01 |
| Cappamore | D0310-01 |
| Adare | D0312-01 |
| Buff | D0313-01 |
| Foynes | D0502-01 |
| Glin | D0504-01 |
| Hospital | D0314-01 |
| Askeaton | D0315-01 |
| Dromcollagher Town and Environs | D0316-01 |
| Ballingarry | D0507-01 |
| Oola | D0505-01 |
| Doon | D0309-01 |
| Pallasgreen | D0503-01 |
| Bruree | D0506-01 |
| Athea | D0508-01 |
| Agglomeration | Registration Number |
| Drogheda | D0041-01 |
| Dundalk | D0053-01 |
| Dunleer | D0111-01 |
| Ardee | D0117-01 |
| Blackrock | D0188-01 |
| Knockbridge | D0260-01 |
| Collon | D0261-01 |
| Louth Village | D0263-01 |
| Dromiskin | D0264-01 |
| Clogherhead | D0265-01 |
| Tullyallen | D0266-01 |
| Castlebellingham | D0269-01 |
| Tallanstown | D0270-01 |
| Carlingford | D0268-01 |
| Agglomeration | Registration Number |
| Ballina | D0016-01 |
| Castlebar | D0047-01 |
| Westport | D0055-01 |
| Knock | D0065-01 |
| Cong | D0066-01 |
| Killala | D0067-01 |
| Swinford | D0068-01 |
| Ballyhaunis | D0069-01 |
| Ballinrobe | D0070-01 |
| Claremorris | D0071-01 |
| Achill Island Central Waste Water Treatment Plant | D0072-01 |
| Crossmolina | D0073-01 |
| Belmullet | D0074-01 |
| Foxford | D0213-01 |
| Charlestown | D0214-01 |
| Bangor Erris | D0215-01 |
| Balla | D0216-01 |
| Kiltimagh | D0217-01 |
| Ballindine | D0355-01 |
| Doogort | D0367-01 |
| Kilkelly | D0357-01 |
| Lahardane | D0380-01 |
| Mallaranny | D0218-01 |
| Belcarra | D0366-01 |
| Louisburgh | D0220-01 |
| Newport | D0224-01 |
| Shrule | D0359-01 |
| Achill Sound | D0511-01 |
| Kilmaine | D0361-01 |
| Ballycastle | D0356-01 |
| Agglomeration | Registration Number |
| Navan | D0059-01 |
| Athboy | D0124-01 |
| Kells | D0127-01 |
| Enfield | D0131-01 |
| Duleek | D0133-01 |
| Trim | D0137-01 |
| Dunshaughlin | D0138-01 |
| Longwood | D0250-01 |
| Donore | D0251-01 |
| Ballivor | D0254-01 |
| Slane | D0257-01 |
| Oldcastle | D0258-01 |
| Summerhill | D0259-01 |
| Stamullen | D0262-01 |
| Kentstown | D0479-01 |
| Kildalkey | D0486-01 |
| Nobber | D0487-01 |
| Carlanstown | D0488-01 |
| Kilmainhamwood | D0481-01 |
| Drumconrath | D0483-01 |
| Agglomeration | Registration Number |
| Monaghan | D0061-01 |
| Carrickmacross | D0062-01 |
| Clones | D0206-01 |
| Castleblayney | D0205-01 |
| Ballybay | D0207-01 |
| Emyvale | D0346-01 |
| Glaslough | D0347-01 |
| Inniskeen | D0348-01 |
| Rockcorry | D0454-01 |
| Smithborough | D0464-01 |
| Ballinode | D0435-01 |
| Scotstown | D0494-01 |
| Newbliss | D0458-01 |
| Knockaconny | D0463-01 |
| Agglomeration | Registration Number |
| Castlerea | D0118-01 |
| Boyle Wastewater Treatment Works | D0121-01 |
| Roscommon | D0116-01 |
| Ballaghaderreen Wastewater Treatment Works | D0123-01 |
| Strokestown Wastewater Treatment Works | D0228-01 |
| Ballyleague Wastewater Treatment Works | D0229-01 |
| Elphin Wastewater Treatment Works | D0230-01 |
| Frenchpark and Environs | D0376-01 |
| Hodson Bay | D0377-01 |
| Roosky | D0408-01 |
| Termonbarry and Environs | D0524-01 |
| Agglomeration | Registration Number |
| Nenagh | D0027-01 |
| Templemore | D0190-01 |
| Borrisoleigh | D0323-01 |
| Newport | D0325-01 |
| Borrisokane | D0326-01 |
| Twomileborris | D0474-01 |
| Holycross | D0478-01 |
| Littleton | D0480-01 |
| Cloughjordan | D0475-01 |
| Ballina | D0189-01 |
| Mullinahone | D0456-01 |
| Roscrea | D0025-01 |
| Thurles | D0026-01 |
| Clonmel | D0035-01 |
| Tipperary Town | D0146-01 |
| Carrick-on-Suir | D0148-01 |
| Fethard | D0164-01 |
| Cahir | D0167-01 |
| Cashel | D0171-01 |
| Ardfinnan | D0311-01 |
| Cappawhite | D0440-01 |
| Killenaule | D0443-01 |
| Clogheen | D0453-01 |
| Ballyclerihan | D0455-01 |
| Limerick Junction | D0457-01 |
| Kilsheelan | D0452-01 |
| Agglomeration | Registration Number |
| Mullingar | D0008-01 |
| Moate | D0097-01 |
| Killucan | D0100-01 |
| Ballymore | D0509-01 |
| Rochfortbridge | D0101-01 |
| Kilbeggan | D0103-01 |
| Kinnegad | D0104-01 |
| Castlepollard | D0105-01 |
| Delvin | D0267-01 |
| Clonmellon | D0271-01 |
| Athlone | D0007-01 |
| Monksland | D0042-01 |
| Tyrellspass | D0099-01 |
| Collinstown | D0485-01 |
| Multyfarnham village and environs | D0510-01 |
| Ballynacarrigy | D0482-01 |
| Agglomeration | Registration Number |
| Wexford town | D0030-02 |
| New Ross | D0036-01 |
| Clonroche | D0404-01 |
| Courtown/Gorey | D0046-01 |
| Blackwater and Environs | D0143-01 |
| Kilmuckridge | D0161-01 |
| Kilmore Quay | D0232-01 |
| Bunclody | D0163-01 |
| Rosslare Harbour | D0165-01 |
| Enniscorthy | D0029-01 |
| Ferns | D0169-01 |
| Rosslare Strand and Environs | D0173-01 |
| Coolgreany | D0174-02 |
| Bridgetown | D0231-01 |
| Fetherd-on-Sea | D0241-01 |
| Taghmon | D0389-01 |
| Tagoat and Environs | D0397-01 |
| Ballaghkeen and Environs | D0398-01 |
| Ballycanew and Environs | D0402-01 |
| Camolin and Environs | D0405-01 |
| Piercetown and Environs | D0406-01 |
| Ballymurn and Environs | D0407-01 |
| Campile | D0409-01 |
| Agglomeration | Registration Number |
| Greystones | D0010-01 |
| Wicklow | D0012-01 |
| Blessington | D0063-01 |
| Carnew | D0064-01 |
| Rathdrum | D0086-01 |
| Kilcoole | D0087-01 |
| Kilpedder | D0416-01 |
| Enniskerry and Environs | D0088-01 |
| Baltinglass | D0089-01 |
| Tinahely | D0221-01 |
| Aughrim | D0222-01 |
| Roundwood | D0223-01 |
| Duncannon | D0245-01 |
| Newcastle | D0410-01 |
| Avoca | D0411-01 |
| Redcross | D0414-01 |
| Laragh | D0415-01 |
| Dunlavin | D0476-01 |
| Ballinaclash | D0412-01 |
| Bray | D0005-01 |
2018
| Agglomeration | Reg Number AER |
| Carlow | D0028-01 |
| Rathvilly Wastewater Treatment Plant | D0237-01 |
| Hacketstown Wastewater Treatment Plant | D0243-01 |
| Fenagh Wastewater Treatment Plant | D0246-01 |
| Ballon Wastewater Treatment Plant | D0247-01 |
| Borris Waste Water Works | D0248-01 |
| Myshall Wastewater Treatment plant | D0390-01 |
| Palatine Wastewater Treatment Plant | D0391-01 |
| Rathoe | D0240-01 |
| Muinebheag and Leighlinbridge | D0090-01 |
| Tullow Wastewater Treatment Plant | D0091-01 |
| Agglomeration | Reg Number AER |
| Cootehill | D0082-01 |
| Belturbet | D0084-01 |
| Ballyconnell | D0253-01 |
| Ballyjamesduff | D0256-01 |
| Shercock | D0495-01 |
| Ballyhaise | D0496-01 |
| Killeshandra | D0499-01 |
| Kilnaleck | D0500-01 |
| Cavan | D0020-01 |
| Kingscourt | D0083-01 |
| Bailieborough | D0085-01 |
| Mullagh | D0252-01 |
| Virginia | D0255-01 |
| Blacklion | D0498-01 |
| Ballinagh | D0501-01 |
| Agglomeration | Reg Number AER |
| Ennis North | D0048-01 |
| Sixmilebridge | D0076-01 |
| Lisdoonvarna | D0077-01 |
| Newmarket on Fergus | D0079-01 |
| Clareabbey | D0199-01 |
| Quin | D0318-01 |
| Scarriff | D0319-01 |
| Milltown/Malbay | D0321-01 |
| Doonbeg | D0324-01 |
| Kilkishen | D0420-01 |
| Corofin | D0434-01 |
| Inagh | D0422-01 |
| Crusheen | D0424-01 |
| Tulla | D0320-01 |
| Kilmurry Ibrickane | D0536-02 |
| Shannon Town | D0045-01 |
| Kilrush | D0075-01 |
| Lahinch | D0080-01 |
| Ennistymon | D0081-01 |
| Clarecastle | D0322-01 |
| Ballyvaughan | D0327-01 |
| Liscannor | D0430-01 |
| Kilkee | D0078-01 |
| Agglomeration | Reg Number AER |
| Blarney | D0043-01 |
| Carrigtwohill and Environs | D0044-01 |
| Clonakilty and Environs | D0051-01 |
| Macroom | D0126-01 |
| Kinsale | D0132-01 |
| Castlemartyr | D0134-01 |
| Bandon | D0136-01 |
| North Cobh | D0140-01 |
| Dunmanway | D0160-01 |
| Skibbereen | D0166-01 |
| Bantry | D0168-01 |
| Rosscarbery/Owenahincha | D0172-01 |
| Rathcormac | D0200-01 |
| Watergrasshill | D0201-01 |
| Mitchelstown | D0202-01 |
| Charleville and Environs | D0204-01 |
| Schull | D0295-01 |
| Baltimore | D0296-01 |
| Cloyne | D0298-01 |
| Ballyvourney Ballymakeery | D0299-01 |
| Doneraile | D0300-01 |
| Killeagh | D0301-01 |
| Dromahane and Environs | D0302-01 |
| Buttevant | D0303-01 |
| Ladysbridge | D0328-01 |
| Newmarket | D0333-01 |
| Kilworth | D0334-01 |
| Kilbrittain | D0425-01 |
| Coachford | D0427-01 |
| Ballingeary | D0431-01 |
| Ballyhooley and Environs | D0432-01 |
| Riverstick | D0433-01 |
| Bweeng | D0438-01 |
| Conna and Environs | D0439-01 |
| Churchtown and Environs | D0444-01 |
| Killavullen | D0447-01 |
| Banteer and Environs | D0448-01 |
| Glanworth | D0450-01 |
| Ballydehob | D0467-01 |
| Union Hall | D0469-01 |
| Drimoleague | D0470-01 |
| Glengarriff | D0471-01 |
| Ballineen/Enniskeane | D0472-01 |
| Kildorrery | D0442-01 |
| Glenville | D0515-01 |
| Ballygarvan | D0540-01 |
| Killeens | D0329-01 |
| Clondulane and Environs | D0445-01 |
| Dripsey | D0426-01 |
| Castlelyons and Environs | D0449-01 |
| Cloughduv | D0330-01 |
| Innishannon | D0429-01 |
| Ballyclough | D0441-01 |
| Carrignavar | D0517-01 |
| Belgooly | D0541-01 |
| Courtmacsherry-Timoleague | D0294-02 |
| Cork City | D0033-01 |
| Ballincollig | D0049-01 |
| Mallow | D0052-01 |
| Midleton | D0056-01 |
| Fermoy | D0058-01 |
| Kanturk | D0203-01 |
| Castletownroche | D0293-01 |
| Castletownbere | D0297-01 |
| Millstreet & Environs | D0332-01 |
| Whitegate/Aghada | D0423-01 |
| Boherbue and Environs | D0437-01 |
| Ballycotton | D0516-01 |
| Cobh | D0054-01 |
| Ringaskiddy | D0057-01 |
| Passage/Monkstown | D0129-01 |
| Youghal | D0139-01 |
| Ringaskiddy Village | D0436-01 |
| Castletownshend | D0468-01 |
| Agglomeration | Reg Number AER |
| Letterkenny | D0009-01 |
| Killybegs | D0011-01 |
| Buncrana | D0125-01 |
| Ballyshannon | D0128-01 |
| Bundoran | D0130-01 |
| Donegal Town | D0135-01 |
| Dungloe | D0208-01 |
| Glenties | D0210-01 |
| Dunfanaghy/Portnablagh | D0211-01 |
| Newtowncunningham | D0349-01 |
| Downings | D0350-01 |
| Ballyliffen | D0351-01 |
| Ardara | D0512-01 |
| Castlefinn | D0514-01 |
| Killygordon | D0518-01 |
| Manorcunningham | D0519-01 |
| Mountcharles | D0522-01 |
| Carrigart | D0523-01 |
| Clonmany | D0533-01 |
| Creeslough | D0534-01 |
| Fahan | D0535-01 |
| Killea | D0537-01 |
| St. Johnston | D0538-01 |
| Rossnowlagh | D0539-01 |
| Carndonagh/Malin | D0113-01 |
| Raphoe | D0209-01 |
| Milford | D0342-01 |
| Falcarragh | D0343-01 |
| Convoy | D0344-01 |
| Rathmullan | D0345-01 |
| Lifford | D0352-01 |
| Kilmacrennan | D0513-01 |
| Kilcar | D0520-02 |
| Burnfoot | D0531-01 |
| Bridgend | D0532-01 |
| Agglomeration | Reg Number AER |
| Galway | D0050-01 |
| Tuam | D0031-01 |
| Ballinasloe | D0032-01 |
| Moycullen | D0191-01 |
| Oughterard WWTP | D0192-01 |
| Gort | D0195-01 |
| Portumna | D0196-01 |
| Headford | D0197-01 |
| Kinvara | D0276-01 |
| Dunmore | D0370-01 |
| Moylough | D0403-01 |
| Claregalway | D0543-01 |
| Athenry | D0193-01 |
| Loughrea | D0194-01 |
| Clifden | D0198-01 |
| Mountbellew | D0219-01 |
| Ballygar | D0371-01 |
| Glenamaddy | D0379-01 |
| Carraroe | D0388-01 |
| Spiddal | D0396-01 |
| Agglomeration | Reg Number AER |
| Killarney | D0037-01 |
| Listowel WWTP | D0179-01 |
| Cahersiveen | D0181-01 |
| Killorglin | D0182-01 |
| Ballybunion | D0183-01 |
| Kenmare | D0184-01 |
| Dingle | D0185-01 |
| Ballyheigue | D0186-01 |
| Ardfert | D0282-01 |
| Tarbert | D0283-01 |
| Fenit | D0284-01 |
| Sneem | D0285-01 |
| Glenbeigh | D0286-01 |
| Waterville | D0287-01 |
| Milltown | D0331-01 |
| Ballyduff | D0418-01 |
| Rathmore | D0419-01 |
| Knightstown | D0421-01 |
| Ballylongford | D0459-01 |
| Fieries | D0460-01 |
| Castlegregory | D0461-01 |
| Lixnaw | D0462-01 |
| Tralee | D0040-01 |
| Castleisland | D0180-01 |
| Abbeydorney | D0417-01 |
| Agglomeration | Reg Number AER |
| Athy | D0003-01 |
| Lower Liffey Valley Regional Sewerage Scheme | D0004-02 |
| Rathangan | D0175-01 |
| Monasterevin | D0177-01 |
| Kildare Town | D0178-01 |
| Kilmeague | D0233-01 |
| Robertstown | D0234-01 |
| Castledermot | D0236-01 |
| Ballymore Eustace | D0238-01 |
| Coill Dubh | D0242-01 |
| Derrinturn | D0244-01 |
| Allenwood | D0493-01 |
| Upper Liffey Valley Sewerage Scheme | D0002-01 |
| Agglomeration | Reg Number AER |
| Kilkenny City and Environs | D0018-01 |
| Edenderry | D0110-01 |
| Mooncoin | D0145-01 |
| Castlecomer | D0149-01 |
| Thomastown | D0151-01 |
| Graignamanagh | D0155-01 |
| Piltown | D0157-01 |
| Callan | D0159-01 |
| Gowran | D0335-01 |
| Urlingford | D0336-01 |
| Ballyragget | D0337-01 |
| Paulstown | D0339-01 |
| Clogh - Moneenroe | D0340-01 |
| Bennettsbridge | D0400-01 |
| Kilmacow | D0525-01 |
| Fiddown | D0528-01 |
| Ballyhale-Knocktopher | D0530-01 |
| Johnstown | D0401-01 |
| Freshford | D0526-01 |
| Goresbridge | D0529-01 |
| Agglomeration | Reg Number AER |
| Portlaoise | D0001-01 |
| Mountmellick | D0152-01 |
| Mountrath | D0153-01 |
| Abbeyleix | D0156-01 |
| Rathdowney | D0288-01 |
| Durrow | D0289-01 |
| Borris-in-Ossory | D0290-01 |
| Ballylinan | D0291-01 |
| Stradbally | D0292-01 |
| Ballinakill | D0384-01 |
| Clonaslee | D0386-01 |
| Portarlington | D0158-01 |
| Ballyroan | D0385-01 |
| Castletown | D0387-01 |
| Agglomeration | Reg Number AER |
| Limerick | D0013-01 |
| Castletroy | D0019-01 |
| Kilmallock | D0106-01 |
| Newcastle West | D0108-01 |
| Rathkeale | D0112-01 |
| Abbeyfeale | D0115-01 |
| Pallaskenry | D0304-01 |
| Kilfinnane | D0305-01 |
| Murroe | D0306-01 |
| Croom | D0307-01 |
| Cahercornlish | D0308-01 |
| Cappamore | D0310-01 |
| Adare | D0312-01 |
| Buff | D0313-01 |
| Askeaton | D0315-01 |
| Dromcollagher Town and Environs | D0316-01 |
| Ballingarry | D0507-01 |
| Oola | D0505-01 |
| Doon | D0309-01 |
| Pallasgreen | D0503-01 |
| Bruree | D0506-01 |
| Athea | D0508-01 |
| Hospital | D0314-01 |
| Foynes | D0502-01 |
| Glin | D0504-01 |
| Agglomeration | Reg Number AER |
| Ballina | D0016-01 |
| Castlebar | D0047-01 |
| Westport | D0055-01 |
| Knock | D0065-01 |
| Cong | D0066-01 |
| Swinford | D0068-01 |
| Ballyhaunis | D0069-01 |
| Ballinrobe | D0070-01 |
| Claremorris | D0071-01 |
| Achill Island Central Waste Water Treatment Plant | D0072-01 |
| Crossmolina | D0073-01 |
| Belmullet | D0074-01 |
| Charlestown | D0214-01 |
| Bangor Erris | D0215-01 |
| Balla | D0216-01 |
| Kiltimagh | D0217-01 |
| Ballindine | D0355-01 |
| Doogort | D0367-01 |
| Kilkelly | D0357-01 |
| Lahardane | D0380-01 |
| Mallaranny | D0218-01 |
| Belcarra | D0366-01 |
| Louisburgh | D0220-01 |
| Shrule | D0359-01 |
| Achill Sound | D0511-01 |
| Kilmaine | D0361-01 |
| Ballycastle | D0356-01 |
| Killala | D0067-01 |
| Foxford | D0213-01 |
| Newport | D0224-01 |
| Agglomeration | Reg Number AER |
| Navan | D0059-01 |
| Athboy | D0124-01 |
| Kells | D0127-01 |
| Enfield | D0131-01 |
| Duleek | D0133-01 |
| Trim | D0137-01 |
| Dunshaughlin | D0138-01 |
| Longwood | D0250-01 |
| Donore | D0251-01 |
| Ballivor | D0254-01 |
| Slane | D0257-01 |
| Oldcastle | D0258-01 |
| Summerhill | D0259-01 |
| Stamullen | D0262-01 |
| Kentstown | D0479-01 |
| Kildalkey | D0486-01 |
| Nobber | D0487-01 |
| Carlanstown | D0488-01 |
| Kilmainhamwood | D0481-01 |
| Drumconrath | D0483-01 |
| Agglomeration | Reg Number AER |
| Monaghan | D0061-01 |
| Clones | D0206-01 |
| Ballybay | D0207-01 |
| Emyvale | D0346-01 |
| Glaslough | D0347-01 |
| Inniskeen | D0348-01 |
| Rockcorry | D0454-01 |
| Smithborough | D0464-01 |
| Ballinode | D0435-01 |
| Scotstown | D0494-01 |
| Newbliss | D0458-01 |
| Knockaconny | D0463-01 |
| Carrickmacross | D0062-01 |
| Castleblayney | D0205-01 |
| Agglomeration | Reg Number AER |
| Castlerea | D0118-01 |
| Boyle Wastewater Treatment Works | D0121-01 |
| Ballaghaderreen Wastewater Treatment Works | D0123-01 |
| Strokestown Wastewater Treatment Works | D0228-01 |
| Ballyleague Wastewater Treatment Works | D0229-01 |
| Elphin Wastewater Treatment Works | D0230-01 |
| Frenchpark and Environs | D0376-01 |
| Hodson Bay | D0377-01 |
| Roosky | D0408-01 |
| Termonbarry and Environs | D0524-01 |
| Monksland Wastewater Treatment Works | D0042-01 |
| Agglomeration | Reg Number AER |
| Nenagh | D0027-01 |
| Templemore | D0190-01 |
| Borrisoleigh | D0323-01 |
| Newport | D0325-01 |
| Borrisokane | D0326-01 |
| Twomileborris | D0474-01 |
| Holycross | D0478-01 |
| Littleton | D0480-01 |
| Cloughjordan | D0475-01 |
| Clonmel | D0035-01 |
| Tipperary Town | D0146-01 |
| Carrick-on-Suir | D0148-01 |
| Fethard | D0164-01 |
| Cahir | D0167-01 |
| Cashel | D0171-01 |
| Ardfinnan | D0311-01 |
| Cappawhite | D0440-01 |
| Killenaule | D0443-01 |
| Clogheen | D0453-01 |
| Ballyclerihan | D0455-01 |
| Limerick Junction | D0457-01 |
| Kilsheelan | D0452-01 |
| Roscrea | D0025-01 |
| Thurles | D0026-01 |
| Ballina | D0189-01 |
| Mullinahone | D0456-01 |
| Agglomeration | Reg Number AER |
| Mullingar | D0008-01 |
| Moate | D0097-01 |
| Killucan | D0100-01 |
| Rochfortbridge | D0101-01 |
| Kilbeggan | D0103-01 |
| Kinnegad | D0104-01 |
| Castlepollard | D0105-01 |
| Delvin | D0267-01 |
| Clonmellon | D0271-01 |
| Ballynacarrigy | D0482-01 |
| Athlone | D0007-01 |
| Tyrellspass | D0099-01 |
| Collinstown | D0485-01 |
| Multyfarnham village and environs | D0510-01 |
| Agglomeration | Reg Number AER |
| Wexford town | D0030-02 |
| New Ross | D0036-01 |
| Courtown/Gorey | D0046-01 |
| Blackwater and Environs | D0143-01 |
| Bunclody | D0163-01 |
| Rosslare Harbour | D0165-01 |
| Ferns | D0169-01 |
| Rosslare Strand and Environs | D0173-01 |
| Bridgetown | D0231-01 |
| Fetherd-on-Sea | D0241-01 |
| Taghmon | D0389-01 |
| Tagoat and Environs | D0397-01 |
| Ballaghkeen and Environs | D0398-01 |
| Camolin and Environs | D0405-01 |
| Piercetown and Environs | D0406-01 |
| Ballymurn and Environs | D0407-01 |
| Campile | D0409-01 |
| Enniscorthy | D0029-01 |
| Coolgreany | D0174-02 |
| Duncannon | D0245-01 |
| Ballycanew and Environs | D0402-01 |
| Clonroche | D0404-01 |
| Kilmore Quay Village and Environs | D0232-01 |
| Agglomeration | Reg Number AER |
| Greystones | D0010-01 |
| Wicklow | D0012-01 |
| Blessington | D0063-01 |
| Carnew | D0064-01 |
| Rathdrum | D0086-01 |
| Enniskerry and Environs | D0088-01 |
| Baltinglass | D0089-01 |
| Tinahely | D0221-01 |
| Roundwood | D0223-01 |
| Newcastle | D0410-01 |
| Redcross | D0414-01 |
| Laragh | D0415-01 |
| Dunlavin | D0476-01 |
| Ballinaclash | D0412-01 |
| Bray | D0005-01 |
| Kilcoole | D0087-01 |
| Aughrim | D0222-01 |
| Kilpedder | D0416-01 |