Montgomery Co PWSD 1

Water Quality Snapshot: Montgomery Co PWSD 1

Montgomery Co PWSD 1 is a local-owned community water system that delivers drinking water to 3,850 residents in Warrenton, Missouri (Montgomery County) through 1,362 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 82 total violations for this system , of which 7 (9%) 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 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 50 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

Montgomery Co PWSD 1's 82 violations sit above the Missouri average.

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