It calls for water companies to be stripped of self-monitoring powers and the job handed to a beefed-up EA. AdvertisementUnder what is known as operator self monitoring (OSM), companies are asked to test their own treated sewage. The more detailed continuous monitoring data suggests that ammonia levels often breached the permitted levels outside of this window. Breaches can go undetected by the regulator with the current approach.”Data was supplied by Wessex Water, Thames Water, Southern Water, Yorkshire Water, Anglian Water and Welsh Water. A spokesman for Water UK, which represents water companies, said: “Testing regimes are approved by the Environment Agency.

Source: The Times February 25, 2023 06:33 UTC