Hawaii: Water Systems with Most Health Violations
18 water systems in Hawaii have at least one health-based violation on record. The system with the most health-based violations is Moloaa Irrigation Cooperative in Anahola with 10 health-based violations. Health-based violations mean a system exceeded an EPA maximum contaminant level or failed required treatment standards.
| Water System | City | Population | Health Violations | Total Violations |
|---|---|---|---|---|
| Moloaa Irrigation Cooperative | Anahola | 100 | 10 | 10 |
| Mililani Memorial Park | Pearl City | 100 | 8 | 16 |
| Waiawa Correctional Facility | Pearl City | 444 | 5 | 10 |
| Kokee State Park | Honolulu | 2,000 | 2 | 4 |
| Shasta Cascade Mobilehome Park | Honolulu | 100 | 1 | 7 |
| Kailua | Puunene | 90 | 1 | 5 |
| Lahaina | Wailuku | 20,065 | 1 | 4 |
| Maunaloa-Kaluakoi | Maunaloa | 1,000 | 1 | 3 |
| Lower Kula | Wailuku | 3,522 | 1 | 2 |
| Waiahole | Honolulu | 300 | 1 | 2 |
| Hilo | Hilo | 39,477 | 1 | 1 |
| Makawao | Wailuku | 29,868 | 1 | 1 |
| Pahala | Hilo | 1,226 | 1 | 1 |
| Kukuihaele | Hilo | 483 | 1 | 1 |
| Keopu Water Association | Holualoa | 250 | 1 | 1 |
| Kahakuloa Water Co. | Wailuku | 150 | 1 | 1 |
| Pepeekeo Water Association | Hilo | 60 | 1 | 1 |
| Villa Rose | Wailuku | 30 | 1 | 1 |