Ilion (V) Water Works

Water Quality Snapshot: Ilion (V) Water Works

Ilion (V) Water Works is a local-owned community water system that delivers drinking water to 8,053 residents in Ilion, New York (Herkimer County) through 2,900 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 88 total violations for this system , of which 9 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 66 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 TTHM, recorded in 8 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 New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

Ilion (V) Water Works's 88 violations sit above the New York average.

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