DWI enforcement notices 2012 Topics: Water Date published: 1 January 2012 Enforcement notices issued during 2012 by the Drinking Water Inspectorate Documents DWI CPEO 12/02 - Notice of Undertakings - Caugh Hill WTWs - Iron, pH, Al, THMs & TurbidityAdobe PDF (87.2 KB)DWI PEO 12/01 - Notice of Undertakings - Caugh Hill WTWs - THMsAdobe PDF (138.49 KB) Help viewing documents