Public water system · HI0000367
ActiveMililani
Community water system in Honolulu County, Hawaii, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50,573
Service connections
11,915
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
Violations data landing soon.
EPA SDWA violation and enforcement records for Mililani are being ingested from EPA ECHO (updated quarterly) and will appear here. Until then, check EPA ECHO for current compliance history.
Mililani: frequently asked questions
Is Mililani's water safe to drink?
Mililani is an active community water system regulated under the Safe Drinking Water Act, overseen by the HI state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Mililani?
Mililani (PWSID HI0000367) is a local government-owned community water system, regulated by the HI state drinking water program.
How many people does Mililani serve?
Mililani reports serving 50,573 people through 11,915 service connections in Honolulu County, Hawaii.
Where does Mililani get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Honolulu County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hnl-Windward-Pearl Harbor | Honolulu | 631,389 | Community | Groundwater |
| Waipahu-Ewa-Waianae | Honolulu | 217,479 | Community | Groundwater |
| Joint Base Pearl Harbor-Hickam | Honolulu | 65,230 | Community | Groundwater |
| Schofield Barracks | Honolulu | 37,920 | Community | Groundwater |
| Wahiawa | Honolulu | 23,348 | Community | Groundwater |
| Marine Corps Base Hawaii | Honolulu | 16,300 | Community | Purchased groundwater |