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Wastewater Treatment Capacity Register

Region County Settlement Census pop. (2016) Wastewater Treatment Plant (WWTP) Reg # Indication of Available Capacity WWTP Project Planned/Underway
EM Kildare Droichead Nua 22,742 ULLVSS WWTP Osberstown D0002 • Green  
EM Kildare Naas 21,393 ULLVSS WWTP Osberstown D0002 • Green  
EM Kildare Celbridge 20,288 LLVSS WWTP Leixlip D0004 • Green  
EM Kildare Leixlip 15,504 LLVSS WWTP Leixlip D0004 • Green  
EM Kildare Maynooth 14,585 LLVSS WWTP Leixlip D0004 • Green  
EM Kildare Athy 9,677 Athy WWTP D0003 • Green  
EM Kildare Kildare 8,634 Kildare Town WWTP D0178 • Green  
EM Kildare Clane 7,280 ULLVSS WWTP Osberstown D0002 • Green  
EM Kildare Sallins 5,849 ULLVSS WWTP Osberstown D0002 • Green  
EM Kildare Monasterevin 4,246 Monasterevin WWTP D0177 • Green  
EM Kildare Rathangan 2,611 Rathanagn WWTP D0175 • Amber  
EM Kildare Derrinturn 1,602 Deerinturn WWTP D0244 • Red Yes
EM Kildare Castledermot 1,475 Castledermot WWTP D0236 • Green  
EM Kildare Kilmeague 1,082 Kilmeague WWTP D0233 • Green  
EM Kildare Allenwood 981 Allenwood WWTP D0493 • Red  
EM Kildare Ballymore Eustace 873 Ballymore Eustace WWTP D0238 • Green  
EM Kildare Coill Dubh 746 Coill Dubh WWTP D0242 • Green  
EM Kildare Robertstown 707 Robertstown WWTP D0234 • Green  
EM Kildare Johnstown Bridge 683 Enfield WWTP (Meath) D0131 • Green* Yes
EM Kildare Ardclough Unavailable Ardclough WWTP A0135 • Red  
EM Kildare Ballitore 793 Ballitore WWTP A0129 • Green  
EM Kildare Ballyroe 181 Ballyroe 1 WWTP A0130 • Green  
EM Kildare Ballyroe 181 Ballyroe 2 WWTP A0133 • Green  
EM Kildare Brannockstown (Grangemore) Unavailable Brannockstown WWTP A0137 • Green  
EM Kildare Calverstown 699 Calverstown WWTP A0125 • Green  
EM Kildare Castlemitchell Unavailable Castlemitchell WWTP A0116 • Green  
EM Kildare Castleroe West Unavailable Castleroe West WWTP A0127 • Green  
EM Kildare Clogherinkoe Unavailable Clogherinkoe WWTP A0142 • Green  
EM Kildare Clonuff Unavailable Clonuff WWTP A0141 • Green  
EM Kildare Donore Unavailable Donore (Kildare) WWTP A0112 • Green  
EM Kildare Kilberry 400 Kilberry (Kildare) WWTP A0120 • Red  
EM Kildare Kildangan 2 317 Kildangan 2 WWTP A0121 • Green  
EM Kildare Kilkea Unavailable Kilkea WWTP A0119 • Green  
EM Kildare Kilmead 309 Kilmeade WWTP A0117 • Green  
EM Kildare Milltown 344 Milltown(Fenview Heights) WWTP A0114 • Green  
EM Kildare Milltown 344 Milltown(Millview) WWTP A0118 • Green  
EM Kildare Newtown Unavailable Newtown (Kildare) WWTP A0126 • Green  
EM Kildare Nurney 456 Nurney (Kildare) WWTP A0113 • Green  
EM Kildare Rathcoffey - Moortown Drive 271 Rathcoffey (Moortown Drive) WWTP A0138 • Red  
EM Kildare Ticknevin, Abbey Court Unavailable Ticknevin, Abbey Court WWTP A0124 • Red  
EM Kildare Timolin Unavailable Timolin WWTP A0134 • Red Yes

Indication of Available Capacity

This register provides an indication of available wastewater treatment capacity based on loads received in 2022 and available treatment plan capacity now or by completion of a project at construction (where relevant).

• Green = spare capacity available.

• Amber = potential spare capacity, applications to be considered on an individual basis considering their specific load requirements.

• Red = no spare capacity available at present.

WWTP Project Planned/Underway

Project planned or underway to increase capacity and/ or improve treatment performance, based on available information in June 2023.

General notes

  • The indication of available treatment capacity has been determined based on a standardised national review of the available information.
  • The information in this register is subject to change.
  • This register provides commentary on the available capacity at the WWTP, it does not consider the capacity of the sewer network.
  • A Pre-Connection Enquiry should be submitted to Uisce Éireann to determine the feasibility of connecting any particular site to the Uisce Eireann network, feasibility should not be inferred from this register

Reg #

Wastewater Discharge Authorisation Number


*Indication of Available Capacity is based on capacity available on completion of a project currently at construction.


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