Round Hill, Town Of

Water Quality Snapshot: Round Hill, Town Of

Round Hill, Town Of is a local-owned community water system that delivers drinking water to 5,019 residents in Round Hill, Virginia (Loudoun County) through 1,662 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 52 total violations for this system , of which 22 (42%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 23 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 22 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 5 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 8.8 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Virginia, EPA tracks 2,821 public water systems serving 7,911,199 people, with 146,670 cumulative violations and 25,642 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 52 violations. Statewide, 70 of 171 UCMR5-tested systems have reported PFAS detections (40.9%).

Round Hill, Town Of's 52 violations sit at the Virginia average.

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