Discharges to surface water and groundwater

Check if you need a permit

Find out if you need a permit for discharges to surface water and groundwater Water discharge and groundwater activity exemptions Permits and licences needed for a heat pump

Apply for a permit

Apply for a permit to discharge water from a heat exchanger into surface water Apply for a permit to discharge trade or mixed effluent

Manage your permit

Change (vary) an existing permit for a discharge of trade or mixed effluent Transfer your permit for water discharges Surrendering (giving up) your permit for water discharges

Detailed guidance

Guidance on applying for and complying with water discharge permits Environmental Risk Assessments for discharges to water Develop an Environment Management System for the discharge of up to 20 cubic metres per day of sewage effluent Groundwater in Wales: what it is and how to protect it