Lexington Park

Water Quality Snapshot: Lexington Park

Lexington Park is a local-owned community water system that delivers drinking water to 43,030 residents in California, Maryland (St. Mary's County) through 15,820 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 3 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 28 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 Nitrate, recorded in 8 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 Maryland, EPA tracks 3,215 public water systems serving 6,070,211 people, with 60,496 cumulative violations and 18,132 health-based violations on record. About 80% of systems in the state carry at least one violation, and state-wide the average per system is 18.8 violations. Statewide, 50 of 83 UCMR5-tested systems have reported PFAS detections (60.2%).

Lexington Park's 31 violations sit above the Maryland average.

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