Frequently Asked Questions

Drinking water quality in England and Wales is regulated by the government through the Drinking Water Inspectorate (DWI). The Inspectorate was set up in 1990 after the water industry was privatised to operate an independent body with staff experienced in all aspect of water supply. The DWI task is to monitor and check the safety of drinking water.

The current DWI structure at November 2009 (PDF 133KB)

The Operations team structure from 16th November 2009 (PDF 68KB)