AAFB completes Lead Service Line Inventory Published Jan. 22, 2025 By Staff Sgt. Jasmine Barnes 36th Wing Public Affairs ANDERSEN AIR FORCE BASE, Guam -- AAFB completes Lead Service Line Inventory Andersen Air Force Base completed the Lead Service Line Inventory required by U.S. Environmental Protection Agency and Copper Rule Revisions for its water systems. The deadline for the initial inventory was Oct. 16, 2024. Through completing a historical records review and field investigations, AAFB has determined it has no lead or galvanized requiring replacement service lines in its distribution system. AAFB reviewed all applicable sources of information including: All construction and plumbing codes, permits, existing records or other documentation that indicates the service line materials used to connect structures to the distribution system. All water system records, including distribution system maps and drawings, historic records on each service connection, meter installation records, historical capital improvement or master plans, and standard operating procedures All inspections and records of the distribution system that indicate service line material, composition of service connections that connect to a structure to the distribution system. For more information, contact the 36th Medical Group Bioenvironmental Engineering Flight at 671-366-7166.