Water Quality: Hilo, HI
24 water systems • 118,171 people served
Multiple Health Violations10
Total Violations
4
Health-Based Violations
24
Water Systems
118,171
Population Served
Water Quality Summary
Hilo has 4 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Disinfection Byproducts, Fecal Coliform. In total, 10 violations are on record for 24 water systems serving 118,171 people.
Contaminants Found
Disinfection Byproducts
Fecal Coliform
Water Systems Serving Hilo
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| HILO | HI0000101 | Groundwater | 39,477 | 1 |
| NORTH KONA | HI0000131 | Groundwater | 29,581 | 1 |
| SOUTH KOHALA | HI0000130 | Surface Water | 9,612 | 2 |
| SOUTH KONA | HI0000132 | Groundwater | 6,512 | 0 |
| OLAA-MOUNTAIN VIEW | HI0000112 | Groundwater | 6,467 | 0 |
| NORTH KOHALA | HI0000129 | Groundwater | 4,933 | 0 |
| HAINA | HI0000161 | Groundwater | 4,563 | 0 |
| WAIOHINU-NAALEHU | HI0000108 | Groundwater | 2,948 | 0 |
| PAPAIKOU | HI0000107 | Groundwater | 2,203 | 0 |
| LALAMILO | HI0000160 | Groundwater | 1,895 | 0 |
| PAHOA | HI0000111 | Groundwater | 1,885 | 0 |
| PEPEEKEO | HI0000106 | Groundwater | 1,450 | 0 |
| PAHALA | HI0000109 | Groundwater | 1,226 | 1 |
| LAUPAHOEHOE-KAPEHU | HI0000102 | Groundwater | 1,169 | 0 |
| HAWAIIAN OCEAN VIEW ESTATES | HI0000169 | Groundwater | 1,000 | 3 |
| PAAUILO | HI0000134 | Groundwater | 716 | 0 |
| HONOMU | HI0000105 | Groundwater | 645 | 0 |
| KUKUIHAELE | HI0000133 | Groundwater | 483 | 1 |
| HAKALAU-WAILEA | HI0000154 | Groundwater | 402 | 0 |
| KALAPANA | HI0000110 | Groundwater | 275 | 0 |
| OOKALA (DWS) | HI0000104 | Groundwater | 264 | 0 |
| NIULII | HI0000139 | Groundwater | 254 | 0 |
| NINOLE | HI0000103 | Groundwater | 151 | 0 |
| PEPEEKEO WATER ASSOCIATION | HI0000167 | Groundwater | 60 | 1 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.