Water Quality

Percolation testing

Offaly County Council no longer completes Site Suitability Assessments for on-site wastewater treatment (percolation testing) in-house.

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Zones of Contribution

It is vitally important that groundwater sources are protected from potential sources of pollution.

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Discharge Licences

Under the provisions of the Local Government (Water Pollution) Acts, 1977 and 1990 Local Authorities are responsible for issuing of effluent discharge licences to water. Irish water are responsilbe for issuing effluent discharge licences to sewers.

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Pesticides & Herbicides

Pesticides and herbicides can enter rivers, streams or groundwater bodies used as sources for drinking water....

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Waste Water Treatment Plants

Offaly County Council on behalf of Irish Water operates 27 Waste Water Treatment Works throughout the County.

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How do I register my Septic Tank

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Catchment Flood Risk Assessment & Management Studies (CFRAM)

Offaly County Council is affiliated to three CFRAMs; namely the Shannon, Eastern and South Eastern.

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How to safely spread sludge from your septic tank

Information for farmers who want to spread sludge from their own septic tank or wastewater treatment system on their own agricultural land.

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Suspected crayfish plague outbreak Clodiagh (Tullamore) river, near Clonaslee, Co. Laois has been confirmed as Crayfish Plague by the Marine Institute UPDATED Monday 23rd August 6pm

The crayfish plague disease can be carried on wet equipment, so all water users (recreational users, anglers, scientific assessment/ sampling, engineering works etc) in this catchment need to put biosecurity measures in place to prevent spread of this disease and other invasive species between rivers. For more information see advice from National Biodiversity Data Centre here Crayfish plague - Biodiversity Ireland

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River Basin Management Plan for Ireland

Draft River Basin Management Plan for Ireland 2022 - 2027

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