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When you need an environmental permit to discharge liquid effluent or waste water to surface water or the ground, and how to apply.
General binding rules for small sewage discharges from septic tanks or sewage treatment plants in England.
This guidance sets out the statutory general binding rules which will…
How the Environment Agency and Natural Resources Wales complete the annual Environmental Performance Assessment (EPA) of water and sewerage companies in England and Wales.
We, the Environment Agency and Natural Resources Wales, introduced the…
For data collected from 1 January 2026 onwards live reporting of the total…
Water and sewerage company performance for each metric is given a red,…
4.1 Ratings background A star rating system has been part of the…
This methodology (section 2) sets out the Environmental Performance…
6.1 Annual report publication The Environment Agency publishes the…
7.1 Abstraction and impounding licence compliance – shadow metric for…
8.1 Ongoing performance reporting role Water and sewerage companies should…
Summary of changes to EPA methodology version A (for EPA period 2026 to…
How to comply with your permit, including maintenance, record keeping and pollution reporting requirements.
When you need consent or permit to discharge from water supply assets to surface waters. How to carry out a risk assessment and how to apply.
Check open environmental data and use it in your own applications.
Approved specifications as a way of showing compliance with relevant regulations. The specifications on this page apply from 6 May 2027.
Find out the compliance limits for waste water treatment works (WWTW), and how to treat and monitor discharges to meet permit conditions.
Environment Agency regulatory position on the temporary discharge of water unfit for supply from water undertaker treatment and supply assets.
OSM management and operation rules for water companies.
This document explains and gives guidance on issues which are likely to arise from the regulations on private sewers transfer.
The laboratory provides diagnostic microbiological testing for the examination of food, water and environmental samples.
Environment Agency regulatory position on storing chemical toilet waste, and other sewage related wastes, without an environmental permit.
Water companies in England and Wales can use this service to submit an incident action plan for a dry day spill to the Environment Agency.
How the Environment Agency will respond to planning consultations that include activities we permit under the Environmental Permitting Regulations 2010 (EPR).
Assessing the discharge of sanitary and other pollutants to surface waters.
For water companies in England and Wales to use for developing their water resources management plan. Also relevant to those producing regional plans.
How to assess the performance of and scope out improvements to storm overflows under Urban Waste Water Treatment Regulations requirements.
How businesses in England can manage septic tank sludges and other wastes from non-mains domestic sewage systems.
How water companies plan for dry weather and drought to make sure they can supply water and protect the environment.
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