KUALAPUU
PWS ID: HI0000229 · MAUNALOA, Hawaii 96770
Population Served
500
Total Violations
100
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 172
- County
- Maui
- School/Daycare
- No
- MCL Violations
- 13
- Monitoring Violations
- 17
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 13 | 1998 |
| Coliform (Pre-TCR) | Other | 9 | 1988 |
| Surface Water Treatment Rule | MR | 8 | 1993 |
| Lead and Copper Rule | MR | 5 | 2022 |
| Surface Water Treatment Rule | TT | 4 | 1993 |
| Coliform (TCR) | MR | 3 | 1998 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.