RAFs Lakenheath and Feltwell water report available Published June 26, 2007 48th Medial Group Bioenvironmental Engineering ROYAL AIR FORCE LAKENHEATH, England -- The 48th Medical Group Bioenvironmental Engineering office recently completed their annual water quality report. The report is completed in line with Air Force Instruction 48-144, Safe Drinking Water Surveillance Program, and the United States ennvironmental Protection Agency requirements. The report is meant to help the community understand where their drinking water comes from and what is in it. For RAF Lakenheath's report, click here. For RAF Feltwell, click here.