OLOWALU
PWS ID: HI0000209 · KAHULUI, Hawaii 96732
Population Served
100
Total Violations
155
Health-Based Violations
116
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 56
- County
- Maui
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 3
- Treatment Tech Violations
- 116
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 116 | 1996 |
| Coliform (Pre-TCR) | Other | 9 | 1987 |
| Coliform (TCR) | MR | 3 | 1997 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.