PlainWater
States → Hawaii

Community Water System · PWS HI0000303

Kunia Village

Kunia, Hawaii 96759 - drinking water served from groundwater sources to 650 people, tracked in EPA SDWIS and UCMR5.

650
People served
86
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 86 drinking-water violations at Kunia Village - above the Hawaii per-system average.

86
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
650
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Kunia Village

Kunia Village is a private-owned community water system that delivers drinking water to 650 residents in Kunia, Hawaii (Honolulu County) through 138 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 86 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 75 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is 1,2,4-Trichlorobenzene, recorded in 3 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Hawaii, EPA tracks 137 public water systems serving 1,520,931 people, with 5,234 cumulative violations and 2,289 health-based violations on record. About 80% of systems in the state carry at least one violation, and state-wide the average per system is 38.2 violations. Statewide, 2 of 45 UCMR5-tested systems have reported PFAS detections (4.4%).

Kunia Village's 86 violations sit above the Hawaii average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
650
Total Violations
86
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
138
County
Honolulu
School/Daycare
No
MCL Violations
0
Monitoring Violations
75
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 3 2013
1,2-Dichloroethane MR 3 2013
1,1,1-Trichloroethane MR 3 2013
Carbon tetrachloride MR 3 2013
Trichloroethylene MR 3 2013
1,1,2-Trichloroethane MR 3 2013
CHLOROBENZENE MR 3 2013
Benzene MR 3 2013
Toluene MR 3 2013
cis-1,2-Dichloroethylene MR 3 2013
Ethylbenzene MR 3 2013
Styrene MR 3 2013
TTHM MR 3 2015
Total Haloacetic Acids (HAA5) MR 3 2015
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2015
trans-1,2-Dichloroethylene MR 3 2013
DICHLOROMETHANE MR 3 2013
o-Dichlorobenzene MR 3 2013
ETHYLENE DIBROMIDE MR 3 2015
p-Dichlorobenzene MR 3 2013
Xylenes, Total MR 3 2013
1,2-Dichloropropane MR 3 2013
Tetrachloroethylene MR 3 2013
1,1-Dichloroethylene MR 3 2013
Vinyl chloride MR 3 2013
Coliform (Pre-TCR) Other 1 1983

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Kunia Village.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID HI0000303 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Hawaii Drinking Water Authority

Hawaii's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find HI regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2015 TTHM MR 3 SDWIS / HI0000303 / 2950
2015 Total Haloacetic Acids (HAA5) MR 3 SDWIS / HI0000303 / 2456
2015 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / HI0000303 / 2931
2015 ETHYLENE DIBROMIDE MR 3 SDWIS / HI0000303 / 2946
2013 1,2,4-Trichlorobenzene MR 3 SDWIS / HI0000303 / 2378
2013 1,2-Dichloroethane MR 3 SDWIS / HI0000303 / 2980
2013 1,1,1-Trichloroethane MR 3 SDWIS / HI0000303 / 2981
2013 Carbon tetrachloride MR 3 SDWIS / HI0000303 / 2982
2013 Trichloroethylene MR 3 SDWIS / HI0000303 / 2984
2013 1,1,2-Trichloroethane MR 3 SDWIS / HI0000303 / 2985
2013 CHLOROBENZENE MR 3 SDWIS / HI0000303 / 2989
2013 Benzene MR 3 SDWIS / HI0000303 / 2990
2013 Toluene MR 3 SDWIS / HI0000303 / 2991
2013 cis-1,2-Dichloroethylene MR 3 SDWIS / HI0000303 / 2380
2013 Ethylbenzene MR 3 SDWIS / HI0000303 / 2992

How Kunia Village Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Kunia Village Hawaii avg Federal benchmark
Total violations 86 38.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 16.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 4.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 650 11,102 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 137 regulated public water systems in Hawaii.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Kunia Village water safe to drink? ▼
Kunia Village (PWS ID: HI0000303) has 86 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 650 people using Groundwater sources.
How many people does Kunia Village serve? ▼
Kunia Village serves 650 people in Kunia, Hawaii. It is a Private-owned system using Groundwater water sources with 138 service connections.
What type of violations does Kunia Village have? ▼
Kunia Village has 86 total violations: 0 health-based violations (MCL exceedances or treatment failures), 75 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Kunia Village water? ▼
No PFAS testing data is available for Kunia Village under the EPA's UCMR5 monitoring program.
What water source does Kunia Village use? ▼
Kunia Village uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.