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MCERTS (Monitoring Certification Scheme) is an Environment Agency quality standard for monitoring environmental emissions.
Rolled out for flow in 2003… the objective of the MCERTS scheme is to ensure that the emissions data submitted to the Environment Agency / National Resource Wales (NRW) from both water utilities and commercial sites is accurate and reliable. In turn, this flow data can then be used to determine whether sites are operating within their environmental emissions limits.
Flow monitoring systems that fall under the MCERTS scheme must achieve a measurement uncertainty of better than ±8%.
Flowmeters installed after 2010 must also be an MCERTS certified product at the time of installation. A list of MCERTS certified products can be found on the CSA website.
The exact parameters required to meet the standard can be found within the Minimum Requirements for the Self-Monitoring of Flow document available on the gov.co.uk website.
Additionally, MCERTS regulations now extend to Event Duration Monitoring (EDM) for storm overflows. More information on this can be found here.
An MCERTS certificate is required if…
Many organisations adopt MCERTS voluntarily, as it combines equipment approval, performance testing and impartial in-depth reporting into a single standard, making it ideal for quality assurance and environmental management systems.
The process typically includes:
We’re here to support you through the entire process from inspection to certification. Get in touch to organise an MCERTS survey or to discuss your site’s requirements.