Winthrop Utilities District
EPA ID: ME0091650 · 2,750 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Winthrop Utilities District (ME0091650): no drinking-water violations recorded since 2021. Federal monitoring records show zero violations at Winthrop Utilities District for the reporting cycles they cover, at a utility serving approximately 2,750 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Winthrop Utilities District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Winthrop Utilities District have a median household income of $82,858 and about 6,153 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Winthrop Utilities District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Maine
System Overview
Winthrop Utilities District (EPA ID: ME0091650) is a community water system in Maine that serves approximately 2,750 people from surface water sources.
This system serves ZIP code 04364 in Winthrop.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0017 mg/L | 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.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
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.
- 04364 - Winthrop
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Winthrop Utilities District (ME0091650) on EPA.gov.
Frequently Asked Questions
Is Winthrop Utilities District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Winthrop Utilities 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 Winthrop Utilities District serve?
Winthrop Utilities District serves approximately 2,750 people across 1 ZIP code in Maine.
Where does Winthrop Utilities District get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Winthrop Utilities District Water Quality Report, ME. https://zipcheckup.com/water-system/me0091650/
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