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 & Turbidity Adobe PDF (87 KB) DWI PEO 12/01 - Notice of Undertakings - Caugh Hill WTWs - THMs Adobe PDF (138 KB) Help viewing documents