Kapolei, HI Home Safety: Home Safety 100/100
2 ZIP codes · 2 water systems · Updated
ZipCheckup grade for Kapolei: A.
No federal data flags a major home-safety concern for this ZIP.
Residents of Kapolei generally live with tap water that beats the HI safety average on key EPA compliance metrics.
How Kapolei Compares
Data: EPA SDWIS
What You Should Know About Kapolei Water
- Estimated remediation: $1,700 per household.
- CDC health risk index: 10.63.
Who Supplies Your Water in Kapolei
Residential water service in Kapolei, HI is divided among 2 separate utilities, drawn from 2 systems on file with federal regulators.
- A
- A
Overview
We track home safety data for 2 ZIP codes in Kapolei, Hawaii (population ~49,316), covering 2 community water systems serving approximately 222,735 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.
The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.
Home Safety Score
Average Home Safety Score for Kapolei: A (100/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Kapolei water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 2 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 96707 | A | Waipahu-ewa-waianae | 217,479 |
All ZIP Codes in Kapolei
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Kapolei
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Cost Context: What Remediation Means for Kapolei Homeowners
Within the Kapolei market, estimated remediation claims a small portion of typical property equity - the financial burden is proportionally low.
Remediation costs in Kapolei are relatively low compared to home values. The $1,100–$2,600 estimated range is a small fraction of median property value. Home values are 6% above the Hawaii average.
Historical NFIP Claim Context in Kapolei
Historical NFIP data for Kapolei contains 3 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $38,979. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,700</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Kapolei, HI