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Public water system · HI0000355

Active

Barbers Point

At a glance

Barbers Point (PWSID HI0000355) is an active community water system in Honolulu County, Hawaii. It reports serving 5,256 people through 165 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 1992.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

5,256

Service connections

165

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDHI0000355
System typeCommunity water system
Activity statusActive
Population served5,256
Service connections165
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyHI state drinking water program
City servedWaipahu-Ewa-Waianae
StateHawaii
ZIP—
CountyHonolulu County

How does Barbers Point compare with other water systems in Honolulu County?

By EPA's size categories, Barbers Point 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 0.5% 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 Barbers Point is about 22% 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 Barbers Point?

EPA lists Barbers Point as owned by the federal government. 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. 11 of the 38 active systems in Honolulu County (29%) are also owned by the federal government.

Does Barbers Point have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 1992. The violations listed here began between August 1991 and January 1992. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
1992-01-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoArchived
1991-08-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoArchived

All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Barbers Point: frequently asked questions

Who runs Barbers Point?

Barbers Point (PWSID HI0000355) is a community water system owned by the federal government. It is regulated by the HI state drinking water program.

How many people does Barbers Point serve?

Barbers Point reports serving 5,256 people through 165 service connections in Honolulu County, Hawaii.

Where does Barbers Point 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 Barbers Point have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 1992. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Barbers Point's 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 records list 2 violations for this system; none is health-based, and the most recent began in January 1992. For current results, consult the system's annual water quality report, EPA ECHO, or the HI state drinking water program.

Where can I find Barbers Point's water quality report?

As a community water system, Barbers Point 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 systemCountyPopulation servedTypeSource
Hnl-Windward-Pearl HarborHonolulu631,389CommunityGroundwater
Waipahu-Ewa-WaianaeHonolulu217,479CommunityGroundwater
Joint Base Pearl Harbor-HickamHonolulu65,230CommunityGroundwater
MililaniHonolulu50,573CommunityGroundwater
Schofield BarracksHonolulu37,920CommunityGroundwater
WahiawaHonolulu23,348CommunityGroundwater

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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, “Barbers Point, PWSID HI0000355, Hawaii”, https://aquacensus.com/water-systems/hawaii/barbers-point-hi0000355 (data as of October 1, 2026).