WAIMANO RIDGE
PWS ID: HI0000306 · HONOLULU, Hawaii 96801-3378
Population Served
545
Total Violations
27
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 52
- County
- Honolulu
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 24
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 3 | 1999 |
| Diquat | MR | 3 | 2005 |
| Endothall | MR | 3 | 2005 |
| 2,3,7,8-TCDD | MR | 3 | 2005 |
| Benzo(a)pyrene | MR | 3 | 2005 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2005 |
| CYANIDE | MR | 3 | 2005 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2005 |
| Chlorine | MR | 3 | 2015 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.