Lower Kula

Water Quality Snapshot: Lower Kula

Lower Kula is a local-owned community water system that delivers drinking water to 3,522 residents in Wailuku, Hawaii (Maui County) through 1,064 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 145 total violations for this system , of which 94 (65%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 51 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 75 violations (TT, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Hawaii, EPA tracks 137 public water systems serving 1,520,931 people, with 5,234 cumulative violations and 2,289 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 38.2 violations. Statewide, 2 of 45 UCMR5-tested systems have reported PFAS detections (4.4%).

Lower Kula's 145 violations sit above the Hawaii average.

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