Paauilo, HI Water Safety: 88/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
In current tracking cycles, Paauilo 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 Paauilo Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Paauilo Water
- Homes built before 1986: 79% — older plumbing may contain lead solder.
- CDC health risk index: 12.35 — above typical levels.
Who Supplies Your Water in Paauilo
Most residential addresses in Paauilo, HI are served by a single water utility — the dominant system among the 1 provider tracked in federal data.
Overview
We track water quality and home safety data for 1 ZIP code in Paauilo, Hawaii, covering 1 community water system serving approximately 1,629 people.
No EPA violations recorded across any ZIP codes in Paauilo — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Paauilo: A (88/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Paauilo water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Paauilo
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 96776 | A | Paauilo | 716 |
All ZIP Codes in Paauilo
- 96776 [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
Updated daily.
Health Outcomes in Paauilo
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
Housing & Infrastructure in Paauilo
With 79% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
For residents trying to assess tap water risk in Paauilo, the median build year of 1968 is the starting context. It signals that a majority of homes were constructed before 1986 — the year federal rules prohibited lead solder in new plumbing — and that a significant share likely predates 1970, when lead pipes were still a common choice for residential service connections. Neither risk tier is rare in this housing inventory.
Over half of homes in Paauilo were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Lead Exposure Risk for Children in Paauilo
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If 79% of the Paauilo inventory comes from before the federal ban on lead-bearing solder — and if utility samples sit at or near 0.015 mg/L — the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Paauilo, HI