Public water system · HI0000319
ActiveKamehameha Schools
At a glance
Kamehameha Schools (PWSID HI0000319) is an active community water system in Honolulu County, Hawaii. It reports serving 4,000 people through 68 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,000
Service connections
68
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Kamehameha Schools compare with other water systems in Honolulu County?
By EPA's size categories, Kamehameha Schools is a medium system (3,301 to 10,000 people). Honolulu County has 38 active public water systems. Its population served is well below the county average of 29,687 people per system, and accounts for 0.4% of the 1,128,119 people reported by systems filed under the county. Across Hawaii, the 136 active systems average 11,181 people each. Nationally, the average active community water system reports serving 6,703 people, so Kamehameha Schools is about 40% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Hawaii has 119 active community water systems, 88% of the state's 136 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 112 Hawaii systems (82%) list groundwater as their primary source.
Who owns and regulates Kamehameha Schools?
EPA lists Kamehameha Schools as privately owned. The HI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 16 of the 38 active systems in Honolulu County (42%) are also privately owned.
Does Kamehameha Schools have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Kamehameha Schools. For the latest compliance status, check EPA ECHO for current compliance history.
Kamehameha Schools: frequently asked questions
Who runs Kamehameha Schools?
Kamehameha Schools (PWSID HI0000319) is a community water system privately owned. It is regulated by the HI state drinking water program.
How many people does Kamehameha Schools serve?
Kamehameha Schools reports serving 4,000 people through 68 service connections in Honolulu County, Hawaii.
Where does Kamehameha Schools get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Kamehameha Schools have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Kamehameha Schools' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the HI state drinking water program.
Where can I find Kamehameha Schools' water quality report?
As a community water system, Kamehameha Schools must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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 |
| Mililani | Honolulu | 50,573 | Community | Groundwater |
| Schofield Barracks | Honolulu | 37,920 | Community | Groundwater |
| Wahiawa | Honolulu | 23,348 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Kamehameha Schools, PWSID HI0000319, Hawaii”, https://aquacensus.com/water-systems/hawaii/kamehameha-schools-hi0000319 (data as of October 1, 2026).