Hawi, HI Home Safety: Home Safety 100/100
1 ZIP code · 2 water systems · Updated
ZipCheckup grade for Hawi: A.
Checked records flag no major concern; missing data is unknown.
Hawi, HI carries a grade in ZipCheckup's upper tier; any health-based violations on record should be checked per water system.
How Hawi Compares
Data: EPA SDWIS
Hawi Water: The Quick Version
- Average of reported 90th-percentile lead results: 0.0107 mg/L.
- Homes built before 1986: 61% - older plumbing may contain lead solder.
- Health risk index (ZipCheckup composite of CDC data): 12.35.
Water Systems Serving Hawi
Counting every public water system linked to Hawi, HI in federal data gives 2. The list below keeps the 2 largest by reported population served, a figure that covers each system's whole service area rather than the city alone. A household's own supplier is named on its water bill.
- A
- A
Overview
We track home safety data for 1 ZIP code in Hawi, Hawaii (population ~1,537), covering 2 community water systems serving approximately 5,783 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 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 Hawi: 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
Hawi water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0107 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
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 96719 | A | North Kohala | 4,933 |
All ZIP Codes in Hawi
- 96719 [A]
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 Hawi
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Hawi's Housing Stock?
With 61% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
If you live in one of the pre-1986 homes in Hawi, a certified lab test for lead is the direct way to learn what your tap delivers; the median build year of 1989 is only context.
Over half of homes in Hawi were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Protecting Children from Lead in Hawi
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
A tap test is worth considering in Hawi, where area lead results average at least 10 parts per billion and 61% of homes are older than 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Hawi, HI