KOKEE STATE PARK
Hawaii — Non-Transient Non-Community — PWSID: HI0000425
System Information
| PWSID | HI0000425 |
| System Name | KOKEE STATE PARK |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 10, 1979 |
| Last Reported | Dec 8, 2025 |
Location & Contact
| State | Hawaii |
| City | HONOLULU |
| ZIP Code | 96809 |
| Address | DLNR, STATE PARKS |
| Organization | THOMPSON, STEPHEN L. |
| Phone | 808-587-0303 |
Population & Service
| Population Served | 2,000 |
| Service Connections | 93 |
Drinking Water Violations (17)
This water system has 17 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, 2018 | Dec 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2018 | Dec 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2018 | Dec 31, 2018 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2018 | Dec 31, 2018 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2018 | Dec 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2018 | Dec 31, 2018 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2010 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Aug 24, 2011 | Lead and Copper Rule |
| Jan 1, 2010 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Aug 24, 2011 | Lead and Copper Rule |
| Jan 1, 2010 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Aug 24, 2011 | Lead and Copper Rule |
| Jan 1, 2009 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 11, 2010 | Lead and Copper Rule |
| Jan 1, 2009 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 11, 2010 | Lead and Copper Rule |
| Jan 1, 2009 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 11, 2010 | Lead and Copper Rule |
| Jul 1, 2007 | Sep 30, 2007 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 2007 | Lead and Copper Rule |
| Jul 1, 2007 | Sep 30, 2007 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 2007 | Lead and Copper Rule |
| Jul 1, 2007 | Sep 30, 2007 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 2007 | Lead and Copper Rule |
| Jul 1, 2007 | Sep 30, 2007 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 30, 2007 | Lead and Copper Rule |
| Nov 1, 1996 | Nov 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 1996 | 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.