Temporary dewatering from excavations to surface water

When you do not need a permit for temporary discharges of uncontaminated water from excavations to surface water.



This regulatory position statement covers the discharge of uncontaminated water (such as rainwater) from excavations at building sites and other excavations.

It does not apply to discharges to ground or groundwater.

Published 7 February 2018
Last updated 16 July 2018 + show all updates
  1. New information on abstracting water from excavations following the the Water Abstraction and Impounding (Exemptions) Regulations 2017. We have also asked you to consider the available dilution when receiving water flows are low.
  2. Clarified that you need to apply for a bespoke permit if your water discharge is from ‘pump and treat’ (pumping out contaminated groundwater or water from contaminated land so it can be treated).
  3. First published.