Limestone County Water and Sewer Auth.

Water Quality Snapshot: Limestone County Water and Sewer Auth.

Limestone County Water and Sewer Auth. is a local-owned community water system that delivers drinking water to 65,003 residents in Athens, Alabama (Limestone County) through 21,668 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 139 total violations for this system , of which 13 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 120 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 13 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 7 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 24.9 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Alabama, EPA tracks 562 public water systems serving 6,193,356 people, with 40,486 cumulative violations and 3,786 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 72 violations. Statewide, 157 of 306 UCMR5-tested systems have reported PFAS detections (51.3%).

Limestone County Water and Sewer Auth.'s 139 violations sit above the Alabama average.

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