SHARONDALE MESA HOA

Water Quality Snapshot: SHARONDALE MESA HOA

SHARONDALE MESA HOA is a private-owned community water system that delivers drinking water to 340 residents in CALIMESA, California (Riverside County) through 244 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 47 total violations for this system , of which 2 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 31 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 Lead and Copper Rule, recorded in 3 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across California, EPA tracks 7,249 public water systems serving 42,404,883 people, with 153,308 cumulative violations and 63,983 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 21.1 violations. SHARONDALE MESA HOA's 47 violations sit above the California average. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.