Ualapue
EPA ID: HI0000233 · 1,119 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Ualapue (HI0000233): no EPA violations recorded in the last five years. Zero EPA violations over five years - Ualapue has kept tap water compliance clean for its full service population of 1,119.
Data: EPA SDWIS
Service Area Map
Coverage area for Ualapue Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Ualapue serves a community with a median household income of $76,974 and an estimated 5,168 residents across its service area. Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Ualapue's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Hawaii
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Ualapue (EPA ID: HI0000233) is a community water system in Hawaii that serves approximately 1,119 people from groundwater sources.
This system serves ZIP code 96748 in Kaunakakai.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by HI or modeled from parcel and building-footprint data.
- 96748 - Kaunakakai
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ualapue (HI0000233) on EPA.gov.
Frequently Asked Questions
Is Ualapue water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Ualapue in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Ualapue serve?
Ualapue serves approximately 1,119 people across 1 ZIP code in Hawaii.
Where does Ualapue get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Ualapue Water Quality Report, HI. https://zipcheckup.com/water-system/hi0000233/
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author = {{ZipCheckup}},
title = {{Ualapue Water Quality Report, HI}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/hi0000233/}
}