Nicholas Co Water District

Water Quality Snapshot: Nicholas Co Water District

Nicholas Co Water District is a local-owned community water system that delivers drinking water to 4,089 residents in Calisle, Kentucky (Nicholas County) through 1,663 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 240 total violations for this system , of which 81 (34%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 102 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 60 violations (MCL, 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 15 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Kentucky, EPA tracks 424 public water systems serving 4,570,541 people, with 80,482 cumulative violations and 12,554 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 189.8 violations. Statewide, 107 of 231 UCMR5-tested systems have reported PFAS detections (46.3%).

Nicholas Co Water District's 240 violations sit above the Kentucky average.

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