Keesler Air Force Base

Water Quality Snapshot: Keesler Air Force Base

Keesler Air Force Base is a federal-owned community water system that delivers drinking water to 8,006 residents in Biloxi, Mississippi (Harrison County) through 2,127 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 2,534 total violations for this system , of which 13 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 2,488 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Combined Uranium, recorded in 785 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 7.7 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Mississippi, EPA tracks 1,185 public water systems serving 3,286,781 people, with 499,292 cumulative violations and 10,292 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 421.3 violations. Statewide, 160 of 238 UCMR5-tested systems have reported PFAS detections (67.2%).

Keesler Air Force Base's 2,534 violations sit above the Mississippi average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.