Drinking Water Compliance OS

HILO, HI · Hawaii County

NIULII Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
HI0000139
System type
Community Water System
Population served
254
Service connections
94
Ownership
local government
Water source
groundwater (wells)

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Contact

OKAMOTO, KEITH K.

808-961-8050

HILO, HI 96720