Public Water Partners

KAHULUI, HI · Maui County

MAHANALUA NUI SUBDIVISON Water System

Consumer Confidence Report status

MAHANALUA NUI SUBDIVISON 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 MAHANALUA NUI SUBDIVISON.

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)
HI0000251
System type
Community Water System
Population served
606
Service connections
343
Ownership
privately owned
Water source
groundwater (wells)

MAHANALUA NUI SUBDIVISON is one of 42 community water systems in Hawaii in the 501 to 3,300 people size category, serving 606 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 MAHANALUA NUI SUBDIVISON required to publish a Consumer Confidence Report?

Yes. MAHANALUA NUI SUBDIVISON 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 MAHANALUA NUI SUBDIVISON’s next Consumer Confidence Report due?

MAHANALUA NUI SUBDIVISON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MAHANALUA NUI SUBDIVISON have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for MAHANALUA NUI SUBDIVISON.

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

TAMAYOSE, LEA

808-877-4202

KAHULUI, HI 96732