Septic Tank/ Domestic Waste Water Treatment Systems

A registration and inspection regime was introduced in June 2012 for domestic waste water treatment systems, such as septic tanks.

Discharge Licences

You may require an effluent discharge licence for the discharge of effluent to sewers and waters.

Protecting Water from Pesticide Use

Pesticides have the potential to contaminate drinking water supplies.


The agricultural community has to ensure that various obligations regarding the law and the environment are applied.

Surface Water Quality

It is the responsibility of Cavan County Council to carry out testing on the surface water quality of the rivers and lakes which are located in County Cavan.

Water Algae Information

Algae are a natural phenomenon in many lakes in Ireland.