Arapahoe Cnty Wwwa

Water Quality Snapshot: Arapahoe Cnty Wwwa

Arapahoe Cnty Wwwa is a private-owned community water system that delivers drinking water to 31,000 residents in Centennial, Colorado (Arapahoe County) through 3,951 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 521 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 515 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is BHC-GAMMA, recorded in 18 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 5 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 7.9 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 108.9 violations. Statewide, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Arapahoe Cnty Wwwa's 521 violations sit above the Colorado average.

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