Water Quality: Wailuku, HI
18 water systems • 142,982 people served
Multiple Health Violations9
Total Violations
5
Health-Based Violations
18
Water Systems
142,982
Population Served
Water Quality Summary
Wailuku has 5 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Disinfection Byproducts, Fecal Coliform, Stage 2 DBP. In total, 9 violations are on record for 18 water systems serving 142,982 people.
Contaminants Found
Disinfection Byproducts
Fecal Coliform
Stage 2 DBP
Water Systems Serving Wailuku
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| WAILUKU | HI0000212 | Surface Water | 74,511 | 0 |
| MAKAWAO | HI0000213 | Surface Water | 29,868 | 1 |
| LAHAINA | HI0000214 | Surface Water | 20,065 | 4 |
| UPPER KULA | HI0000215 | Surface Water | 7,686 | 0 |
| KAUNAKAKAI | HI0000234 | Groundwater | 3,702 | 0 |
| LOWER KULA | HI0000247 | Surface Water | 3,522 | 2 |
| HANA | HI0000217 | Groundwater | 1,284 | 0 |
| UALAPUE | HI0000233 | Groundwater | 1,119 | 0 |
| KALAE | HI0000235 | Groundwater | 360 | 0 |
| KEANAE | HI0000219 | Groundwater | 270 | 0 |
| KAHAKULOA WATER CO. | HI0000249 | Groundwater | 150 | 1 |
| NAHIKU | HI0000220 | Groundwater | 107 | 0 |
| MAUNAOLU PLANTATION | HI0000254 | Groundwater | 100 | 0 |
| KULA NANI | HI0000255 | Surface Water | 80 | 0 |
| WEST KUIAHA MEADOWS | HI0000252 | Groundwater | 60 | 0 |
| HONOKOHAU | HI0000218 | Groundwater | 42 | 0 |
| VILLA ROSE | HI0000374 | Groundwater | 30 | 1 |
| MAUI HIGHLANDS | HI0000256 | Groundwater | 26 | 0 |
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.