Anoka

Water Quality Snapshot: Anoka

Anoka is a local-owned community water system that delivers drinking water to 18,000 residents in Anoka, Minnesota (Anoka County) through 5,264 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 76 total violations for this system , of which 41 (54%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 29 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 27 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 14.9 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Minnesota, EPA tracks 6,557 public water systems serving 5,239,398 people, with 59,895 cumulative violations and 36,496 health-based violations on record. About 52% of systems in the state carry at least one violation, and state-wide the average per system is 9.1 violations. Statewide, 149 of 196 UCMR5-tested systems have reported PFAS detections (76%).

Anoka's 76 violations sit above the Minnesota average.

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