10-year planning permission for proposed upgrade works and extension to the Ballymahon…

Proposed development

10-year planning permission for proposed upgrade works and extension to the Ballymahon Wastewater Treatment Plant (WwTP) and local wastewater network. The proposed development comprises: (1) the refurbishment of existing final settlement tank, storm water tank, Return-Activated Sludge (RAS) and Waste-Activated Sludge (WAS) pumping station and 2 no. existing aeration tanks within the existing WwTP site; (2) an extension to the WwTP to include new inlet works with duty / standby combined screens and grit plant, odour control system, high-level emergency overflow chamber, Flow to Full Treatment (FFT) storm pumping station, stormwater storage tank, biological process units including 1 no. selector tank, 2 no. anoxic tanks, and 2 no. aeration tanks, 2 no. final settlement tanks with flow split chamber; (3) a new section of gravity sewer from the network pumping station serving Auburn Village residential estate to the new inlet works; (4) a new RAS / WAS pumping station with sludge holding capacity; sludge drying reedbeds (8 no. cells), return liquors pumping station, washwater pumping station, new chemical dosing plant, treated effluent outfall headwall to River Inny; (5) alterations to the existing entrance and a new internal road connecting the existing internal access road to the extension area; (6) surface water drainage interceptor, manholes and surface water attenuation tank; (7) ESB sub-station building, permanent generator and fuel tank, solar panels on block mounted frames; (8) decommissioning of picket fence thickener and associated dewatering equipment, ferric dosing tank, final effluent outfall chamber, complete with automatic sampler, and a redundant section of existing sewer network in the Auburn Village residential estate (all to remain in situ post decommissioning); (9) the decommissioning / removal of the existing inlet works and grit removal chamber; (10) decommissioning / demolition of pumping station in the Auburn Village residential estate; (11) site lighting (both task lighting and road lighting), boundary fencing and treatments including landscaping; (12) below ground interconnecting pipework; (13) and all ancillary site development and site excavation works above and below ground for the above referenced development. A Natura Impact Statement (NIS) has been prepared and will be submitted to the Planning Authority with the application

What happens next

Permission was granted on 28 Oct 2025. Third parties may appeal within four weeks; after that the permission is final and works can start once a commencement notice is lodged.

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