Coffey Northumbrian Limited has started work to improve the Grange, Strandhill, Tubbercurry and Ballinafad wastewater treatment plants in Sligo.

The work is expected to be completed in 22 months and is expected to serve around 8,300 people.

The upgrade of the wastewater treatment plants will bring benefits to each of the towns and surrounding areas in terms of developmental potential, environmental protection and improved water quality for all.

The works will increase the treatment capacity of each of the plants to meet the current needs of the town and to allow for future growth and will also ensure that wastewater is treated and discharged in compliance with the Urban Wastewater Treatment Regulations and with the conditions of the Wastewater Discharge Licence (WWDL) issued by the Environmental Protection Agency (EPA). It will also improve the water quality of nearby coastal areas, protecting bathing areas and the aquatic environment from pollution.

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In Grange, the capacity of the plant will increase from 280 population equivalent (PE) to 900 PE and includes the construction of an inlet works, a storm water holding tank, a new secondary biological treatment process, final settlement tanks, a new control building and a new sludge thickening facility.

The works, which form part of the upgrade to the Strandhill plant, will increase the capacity of the existing plant from 1,500 PE to 3,700 PE. Features include the construction of new inlet works, a new storm water holding tank, a new secondary biological treatment, settlement tanks, a new control building and a new sludge thickening facility. The scheme will also include the upgrade of the existing caravan park pumping station.

In Tubbercurry, the works will include the provision of a new 3,500 PE capacity wastewater treatment plant within the existing site which has current capacity for 1,400 PE. Works will include upgrades to the inlet pumping station, new inlet works, a new storm water holding tank, a new secondary biological treatment process, final settlement tanks, a new control building and new sludge thickening facility.

The scheme will also include the construction of a new gravity sewer pipeline to the wastewater treatment plant and a new rising main to bring treated effluent to the outfall location at the River Moy.

Overall, the project will ensure Tubbercurry is environmentally compliant

The works to Ballinafad Wastewater Treatment Plant will include the provision of a new wastewater treatment plant within the existing site which will serve a population equivalent of 200. It will also include the construction of new inlet works, storm water holding tank, a new secondary biological treatment process, settlement tanks and a sludge storage facility.

(CD/LM)