Hilo, HI Home Safety: Home Safety 100/100
2 ZIP codes · 2 water systems · Updated
ZipCheckup grade for Hilo: A.
No federal data flags a major home-safety concern for this ZIP.
In current tracking cycles, Hilo records above-average water quality outcomes for HI; compliance history over recent years shows few departures from federal standards and no systemic failures across its water systems.
How Hilo Compares
Data: EPA SDWIS
Hilo Water: The Quick Version
- Estimated remediation: $1,200 per household.
- CDC health risk index: 12.35 - above typical levels.
Overview
We track home safety data for 2 ZIP codes in Hilo, Hawaii, covering 2 community water systems serving approximately 50,971 people. 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 Hilo: 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
Hilo 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 |
|---|---|---|---|
| 96720 | A | Hilo | 39,477 |
All ZIP Codes in Hilo
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.
CDC Health Data for Hilo
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
Hilo: Remediation Cost in Perspective
In Hilo, property wealth outpaces what documented remediation typically demands - the equity burden lands well within the low tier.
Remediation costs in Hilo are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 37% below the Hawaii average.
Historical Flood-Claim Evidence for Hilo
Historical NFIP data for Hilo contains 214 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $23,050. 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>$1,200</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 Hilo, HI