HONOLULU, HI · Honolulu County
MILILANI Water System
Consumer Confidence Report status
MILILANI must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for MILILANI.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Hawaii’s official records. Always confirm current status with Hawaii before making decisions based on this information.
System facts
- System ID (PWSID)
- HI0000367
- System type
- Community Water System
- Population served
- 50,573
- Service connections
- 11,915
- Ownership
- local government
- Water source
- groundwater (wells)
MILILANI is the fifth largest community water system in Hawaii, serving 50,573 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is MILILANI required to publish a Consumer Confidence Report?
- Yes. MILILANI is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MILILANI’s next Consumer Confidence Report due?
- MILILANI’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MILILANI have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MILILANI.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
KAWATA, ERWIN
808-748-5080
HONOLULU, HI 96843