Winterport Water District
EPA ID: ME0091640 · 763 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Winterport Water District (ME0091640): no drinking-water violations recorded since 2021. Zero violations are listed in EPA monitoring data for Winterport Water District; a count of records like this is not a water-quality test for the 763 residents it serves.
Data: EPA SDWIS
Service Area Map
Coverage area for Winterport Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Winterport Water District have a median household income of $103,938 and about 3,839 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 51% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Winterport Water District'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 Maine
System Overview
Winterport Water District (EPA ID: ME0091640) is a community water system in Maine that serves approximately 763 people from groundwater sources.
This system serves ZIP code 04496 in Winterport.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0005 mg/L | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 ME or modeled from parcel and building-footprint data.
- 04496 - Winterport
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Winterport Water District (ME0091640) on EPA.gov.
Frequently Asked Questions
Is Winterport Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Winterport Water District 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 Winterport Water District serve?
Winterport Water District serves approximately 763 people across 1 ZIP code in Maine.
Where does Winterport Water District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Winterport Water District Water Quality Report, ME. https://zipcheckup.com/water-system/me0091640/
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title = {{Winterport Water District Water Quality Report, ME}},
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