PUNAHOU SCHOOL
Hawaii — Non-Transient Non-Community — PWSID: HI0000324
System Information
| PWSID | HI0000324 |
| System Name | PUNAHOU SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Sep 10, 1979 |
| Last Reported | Dec 8, 2025 |
Location & Contact
| State | Hawaii |
| City | HONOLULU |
| ZIP Code | 96822 |
| Address | PUNAHOU SCHOOL |
| Organization | LITTLE, ZACHARY |
| Phone | 808-944-5811 |
Population & Service
| Population Served | 4,000 |
| Service Connections | 10 |
Drinking Water Violations (21)
This water system has 21 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2017 | Dec 31, 2019 | Benzo(a)pyrene | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | 2,3,7,8-TCDD | MR | No | No | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | 2,3,7,8-TCDD | MR | No | No | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | 2,3,7,8-TCDD | MR | No | No | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Endothall | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Endothall | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Endothall | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Diquat | MR | No | No | — | 0.02 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Diquat | MR | No | No | — | 0.02 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Diquat | MR | No | No | — | 0.02 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Benzo(a)pyrene | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Benzo(a)pyrene | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Di(2-ethylhexyl) adipate | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Di(2-ethylhexyl) adipate | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Di(2-ethylhexyl) adipate | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Di(2-ethylhexyl) phthalate | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Di(2-ethylhexyl) phthalate | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Di(2-ethylhexyl) phthalate | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2019 | Synthetic Organic Chemicals |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.