St. Clairsville, City of PWS

Water Quality Snapshot: St. Clairsville, City of PWS

St. Clairsville, City of PWS is a local-owned community water system that delivers drinking water to 5,097 residents in St. Clairsville, Ohio (Belmont County) through 2,423 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 262 total violations for this system , of which 110 (42%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 128 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 94 violations (TT, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 6.4 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Ohio, EPA tracks 4,181 public water systems serving 11,085,226 people, with 288,388 cumulative violations and 52,412 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%).

St. Clairsville, City of PWS's 262 violations sit above the Ohio average.

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