Guidance

MCERTS: requirements for installing and using event duration monitors

MCERTS standard specifying the minimum requirements for installing and using event duration monitors (EDMs) required by an environmental permit.

Applies to England and Wales

Documents

Details

This standard applies to installations with an Environment Agency or Natural Resources Wales environmental permit which requires them to install an MCERTS certified EDM at one or more of the following locations:

  • a waste water overflow to storm management system at a waste water treatment works
  • a last in line overflow
  • a sewage pumping station

This MCERTS standard specifies the minimum requirements for installing and using EDMs required by a permit.

It describes the inspection and certification procedures. It also provides quality assurance procedures to make sure that EDMs are correctly installed and maintained.

This standard covers the requirements for the:

  • certification process
  • installation and performance
  • management system – to make sure EDMs continue to perform effectively

Updates to this page

Published 31 March 2023
Last updated 28 August 2024 + show all updates
  1. Updated point 1.1 to say that this standard can apply to other EDMS if required by a regulator. Reordered the points in section 3.1. Updated section 4 to link to further guidance on the management system requirements on the CSA website. Added a new section on 'Installing and using non-contact level sensors' as section 5.

  2. First published.

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