Posey Township Water Corp.

Water Quality Snapshot: Posey Township Water Corp.

Posey Township Water Corp. is a local-owned community water system that delivers drinking water to 3,500 residents in Hardinsburg, Indiana (Washington County) through 1,400 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 80 total violations for this system , of which 51 (64%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 19 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 51 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Indiana, EPA tracks 3,967 public water systems serving 5,774,616 people, with 352,710 cumulative violations and 35,932 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 88.9 violations. Statewide, 93 of 229 UCMR5-tested systems have reported PFAS detections (40.6%).

Posey Township Water Corp.'s 80 violations sit below the Indiana average.

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