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Sunday 30 August 2026

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2660389

N/A

Cavan - Cavan County Council

Proposed Development

for permission for development consisting of outfall and discharge infrastructure associated with the Mullagh Wastewater Treatment Plant (WwTP), located within the townland of Rosehill County Cavan and Seancarnan, Moynalty, Kells, County Meath. As part of the works, it is proposed to increase the treatment capacity of the Mullagh WwTP from 3,000 population equivalent (PE) to 3,400 PE to meet the 25 year design horizon. Upgrade works at the Mullagh WwTP shall consist of the following: • Inlet Works o Upgrade of the pipework within the existing forward feed pumping station • Primary Treatment, including: o Dual stream activated sludge aeration tank with auxiliary pipework & blowers • Secondary treatment, including; o Mechanical upgrade of the existing secondary settlement tank including replacement of the existing pipework, bridge, sludge collection equipment, etc. o Construction of new Secondary settlement tank • Discharge works, including: o Final effluent pumping station; o 1.365km effluent rising main along the Mullagh Road (R194) towards the Moynalty River including discharge manhole and headwall • Sludge treatment works, including: o Mechanical upgrade of the existing sludge holding tank including replacement of the existing pipework, etc. o Construction of a new sludge import facility including sludge import screen and sludge import pumping station o Scum pumping station o Return activated sludge (RAS) pumping station o Waste activated sludge (WAS) pumping station o Sludge drying reed beds o Mixed liquor returns pumping station • Chemical Treatment including bulk storage and chemical dosing equipment for the following chemicals: o Alkalinity (NaOH) o Ferric Sulphate • 1 No. MCC Control building including backup power generator and associated fuel storage tank • Decommissioning and demolishing works of the following: o Imhof tank and associated pipework o 2 No Trickling filter tanks and associated pipework etc.• Solar arrays including ground mounted structures and control equipment etc. • Ancillary site works, including: o Installation of instrumentation, monitoring equipment & controls in accordance with Uisce Eireann’s technical standards. o Potable water kiosk and pumps o General groundworks, site clearance, topsoil stripping, fencing, landscaping, ducting, pipework, manholes / chambers and drainage works including for filter

View the full application file on the council's planning portal →

Application Timeline

  1. Application received

    8 Jul 2026

  2. Decision due (upcoming)

    1 Sept 2026

Application Details

Location
Mullagh Wastewater Treatment Plant , Mullagh , County Cavan
Applicant
N/A
Application Type
PERMISSION
Planning Authority
Cavan County Council
Site Area
30.72 ha

Timeline

Registration Date
8 July 2026
Status
NEW APPLICATION
Decision
N/A
Decision Due
1 September 2026

Location

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Planning Applications Nearby

What the council has granted and refused around this site is the best guide to how a similar application will fare.

89m
2660850N/A8 Jul 2026

permission for development consisting of outfall and discharge infrastructure associated with the Mullagh Wastewater Treatment Plant (WwTP), located within the townland of Rosehill County Cavan and Seancarnan, Moynalty, Kells, County Meath. As part of the works, it is proposed to increase the treatment capacity of the Mullagh WwTP from 3,000 population equivalent (PE) to 3,400 PE to meet the 25 year design horizon. Upgrade works at the Mullagh WwTP shall consist of the following: • Inlet Works o Upgrade of the pipework within the existing forward feed pumping station. • Primary Treatment, including: o Dual stream activated sludge aeration tank with auxiliary pipework & blowers. • Secondary treatment, including; o Mechanical upgrade of the existing secondary settlement tank including replacement of the existing pipework, bridge, sludge collection equipment, etc. o Construction of new Secondary settlement tank. • Discharge works, including: o Final effluent pumping station; o 1.365km effluent rising main along the Mullagh Road (R194) towards the Moynalty River including discharge manhole and headwall. • Sludge treatment works, including: o Mechanical upgrade of the existing sludge holding tank including replacement of the existing pipework, etc. o Construction of a new sludge import facility including sludge import screen and sludge import pumping station. o Scum pumping station. o Return activated sludge (RAS) pumping station. o Waste activated sludge (WAS) pumping station. o Sludge drying reed beds. o Mixed liquor returns pumping station. • Chemical Treatment including bulk storage and chemical dosing equipment for the following chemicals: o Alkalinity (NaOH). o Ferric Sulphate. • 1 No. MCC Control building including backup power generator and associated fuel storage tank. • Decommissioning and demolishing works of the following: o Imhof tank and associated pipework o 2 No Trickling filter tanks and associated pipework etc. • Solar arrays including ground mounted structures and control equipment etc. • Ancillary site works, including: o Installation of instrumentation, monitoring equipment & controls in accordance with Uisce Eireann’s technical standards. o Potable water kiosk and pumps o General groundworks, site clearance, topsoil stripping, fencing, landscaping, ducting, pipework, manholes / chambers and drainage works including for filter

Mullagh Wastewater Treatment Plant , Mullagh , County Cavan

180m
1849CONDITIONAL31 Jan 2018

to construct (a) a single storey 55-bedroom nursing home (49 single bedrooms, 6 double bedrooms - 61 beds in total) (b) single storey community centre (approx. size 195m2), (c) single storey boiler/utility shed, (d) together with all ancillary site works including installing pumping station and rising main and connecting to public foul drainage system and watermain, complete existing access roadway and entrance from public road, all on existing brownfield site. (Development previously granted and commenced under planning ref. no. 07/866 and 08/522)

Rosehill & Rantavan , Mullagh , Co. Cavan

462m
21679CONDITIONAL10 Nov 2021

to construct a single storey style dwelling and detached domestic garage, install proprietary waste water treatment system and percolation area, form new entrance off existing laneway, together with all associated site works

Rosehill , Mullagh , Co Cavan

573m
2660431N/A5 Aug 2026

to construct an agricultural building with underground slurry storage tank together with all associated siteworks

Rantavan , Mullagh , Co.Cavan

573m
2660463N/A20 Aug 2026

to construct an agricultural building with underground slurry storage tank together with all associated siteworks

Rantavan , Mullagh , Co.Cavan

626m
18322CONDITIONAL8 Aug 2018

of (a) existing building being used as a tyre service workshop and tyre store, (b) portacabin structure being used as an office, (c) external tyre storage yard and (d) upgraded entrance and all associated site works

Rantavan , Mullagh , Co. Cavan

629m
18174CONDITIONAL25 Apr 2018

to construct (a) a single storey front porch (b) install 2 no. bay windows to front elevation (c) construct a single storey extension to the rear elevation (rear extension to be attached to existing exempted development single storey extension<40sqm) relocate existing entrance and driveway and all associated site works

Rosehill , Mullagh , Co Cavan

653m
2460455CONDITIONAL25 Sept 2024

to (a) construct an extension to existing spectator stand to create a covered external exercise area/raised area for persons with disabilities (b) extend roof of existing clubrooms to form an external covered area (c) together with all associated site works

Kells Road , Mullagh , County Cavan

664m
2660362CONDITIONAL30 Jun 2026

to construct a single storey style dwelling and detached domestic garage, install proprietary waste water treatment system and percolation area, form new entrance from public roadway, together with all associated site works

Rantavan , Mullagh , Co. Cavan

672m
22115CONDITIONAL22 Mar 2022

for (1) the construction of a new single storey flat roof rear extension to the existing single storey dwelling for form ancillary family accommodation (granny flat). The rear extension also part projects to the side of the existing dwelling. Connections to all services and all necessary ancillary site development works to facilitate this development. (2) RETENTION to retain the as built concrete shed base and PLANNING PERMISSION to for the construction of a new detached single storey pitched roof shed building to sit on the as built concrete shed base and all necessary ancillary site development works to facilitate this development

4 Rosehill , Mullagh , Co. Cavan A82 H529

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