Kilauea, HI Water Safety: 82/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
Although water quality varies across any metro, Kilauea's systems collectively post above-average compliance scores for HI — and documented violations are few.
How Kilauea Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Kilauea Water
- Homes built before 1986: 41% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 11.45.
Who Supplies Your Water in Kilauea
Kilauea, HI is covered by 3 major water utilities out of 3 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.
Overview
We track water quality and home safety data for 1 ZIP code in Kilauea, Hawaii (population ~4,172), covering 3 community water systems serving approximately 12,804 people region-wide.
No EPA violations recorded across any ZIP codes in Kilauea — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Kilauea: B (82/100)
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
Kilauea water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Kilauea
- 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 |
|---|---|---|---|
| 96754 | B | Kilauea | 3,420 |
All ZIP Codes in Kilauea
- 96754 [B]
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 Kilauea
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 Kilauea
With 41% 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
Pre-1986 construction carries elevated plumbing-era lead risk because lead solder was widely used before that federal ban. In Kilauea, the median build year of 1999 indicates a housing stock where that older fraction represents a significant share of the residential inventory.
Most homes in Kilauea were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Kilauea Homeowners
The household financial picture for Kilauea homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.
Remediation costs in Kilauea are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 57% above the Hawaii average.
Lead Exposure Risk for Children in Kilauea
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.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 41% of the Kilauea inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Kilauea
Measured across the NFIP's multi-decade tracking period, Kilauea shows a moderate flood record — 30 claims and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Kilauea has a moderate flood history with 30 FEMA claims averaging $12,847 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Kilauea, HI