Guidance: Site-specific quality numeric permit limits: discharges to surface water and groundwater
How the Environment Agency sets and assesses discharge quality numeric limits in environmental permits. read more
How the Environment Agency sets and assesses discharge quality numeric limits in environmental permits. read more
Find out the compliance limits for waste water treatment works (WWTW), and how to treat and monitor discharges to meet permit conditions. read more
OSM management and operation rules for water companies. read more
How to control intermittent storm discharges from combined sewer overflows and waste water treatment works, and minimise the risk of emergency sewage discharges from sewage pumping stations. read more
Find out about discharge limits and controls for chemical dosing of treated sewage effluents, and when you need to apply to change your environmental permit. read more