Maui Highlands
EPA ID: HI0000256 · 26 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Maui Highlands (HI0000256): no drinking-water violations recorded since 2021. Across the monitored periods in available EPA data, Maui Highlands has no violations listed for its service population of 26.
Data: EPA SDWIS
Service Area Map
Coverage area for Maui Highlands Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Maui Highlands have a median household income of $87,948 and about 29,249 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Maui Highlands's water is classified in EPA records as a groundwater source. 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
System Overview
Maui Highlands (EPA ID: HI0000256) is a community water system in Hawaii that serves approximately 26 people from groundwater sources.
This system serves ZIP code 96753 in Kihei.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2023-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 96753 - Kihei
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Maui Highlands (HI0000256) on EPA.gov.
Frequently Asked Questions
Is Maui Highlands water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Maui Highlands 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 Maui Highlands serve?
Maui Highlands serves approximately 26 people across 1 ZIP code in Hawaii.
Where does Maui Highlands get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Maui Highlands Water Quality Report, HI. https://zipcheckup.com/water-system/hi0000256/
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title = {{Maui Highlands Water Quality Report, HI}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/hi0000256/}
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