Water System Report HI

Kunia Village

EPA ID: HI0000303 · 650 people served · 4 ZIP codes

Zero violations in five consecutive years of EPA monitoring — Kunia Village has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 650 residents.

Data: EPA SDWIS Last verified: 2026-04-02

A · 88
Avg Safety Score
650
People Served
4
ZIP Codes Served
0
Violations (5yr)
Groundwater
Water Source
Zone 3
Radon Risk · Low
0
Contaminants Flagged
$724K
Median Home Value in Service Area

Service Area Map

Coverage area for Kunia Village Source: EPA SDWIS service area boundaries.

Service area boundary — Grade A

Service Area Demographics

$83,927
Median Household Income
145,982
Service Area Population
14%
Disadvantaged Population
30th
Poverty Percentile
20th
Energy Burden Percentile
69%
Pre-1986 Housing

The Kunia Village serves a community with a median household income of $83,927 and an estimated 145,982 residents across its service area. Approximately 69% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Kunia Village's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Moderate Risk
Source Contamination Risk
40th
Wastewater Discharge Proximity
60th
Superfund Site Proximity

About 2% of homes in Honolulu County, Hawaii rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

49 yr
Avg Pipe Age
Copper
Pipe Material
21 yr
Est. Remaining Life
Stable
Decay Status
Installed 70% of expected lifespan used End of life

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.

State limits: PFOA: 0.004 ppt, PFOS: 0.004 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter →

Comparable Water Systems

Similar-sized systems in Hawaii

Honomu
645 people
C 0 violations
B 0 violations
Camp Stover
595 people
0 violations
Paauilo
716 people
B 0 violations
Kawela Plantation
553 people
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance PFAS Treatment
Flood Insurance $1,200
PFAS Treatment $250
Total Estimated Cost $1,450

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$165
10 years
$330
20 years
$660

Compare: Estimated remediation cost is $1,450 (one-time) vs. $330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Kunia Village (EPA ID: HI0000303) is a community water system in Hawaii that serves approximately 650 people from groundwater sources.

This system provides water to 4 ZIP codes across 4 communities.

Average Home Safety Score: A (88/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

No Lead and Copper Rule sampling data available for this water system.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Kunia Village (HI0000303) on EPA.gov.

Frequently Asked Questions

Is Kunia Village water safe to drink?

Based on EPA records, Kunia Village has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Kunia Village serve?

Kunia Village serves approximately 650 people across 4 ZIP codes in Hawaii.

Where does Kunia Village get its water?

The primary water source is groundwater.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
0
Galvanized — Replacement Required
0
Unknown Material
140
Confirmed Non-Lead

This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2019-01-01 did not exceed the federal lead action level.
Population served: 650
Reported to Hawaii

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Kunia Village safe to drink?
Kunia Village earns a A safety grade with 0 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
Should I use a water filter?
Kunia Village meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.
How many people does Kunia Village serve?
Kunia Village serves approximately 650 people with drinking water across 4 ZIP codes.
What is Kunia Village's water source?
Kunia Village draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Kunia Village's service area?
The Kunia Village service area has a median household income of $83,927. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Kunia Village get its water?
Kunia Village's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on available data, the source contamination risk is moderate.
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