Castine Water Department
EPA ID: ME0090330 · 983 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Castine Water Department (ME0090330): no drinking-water violations recorded since 2021. Castine Water Department is listed without violations in federal records, across a service area of 983 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Castine Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Castine Water Department have a median household income of $82,000 and about 2,349 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Castine Water Department'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
Castine Water Department (EPA ID: ME0090330) is a community water system in Maine that serves approximately 983 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
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.
Radon Risk in Service Area
2 of 2 ZIP records with known zones are 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Castine Water Department (ME0090330) on EPA.gov.
Frequently Asked Questions
Is Castine Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Castine Water Department 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 Castine Water Department serve?
Castine Water Department serves approximately 983 people across 2 ZIP codes in Maine.
Where does Castine Water Department get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Castine Water Department Water Quality Report, ME. https://zipcheckup.com/water-system/me0090330/
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author = {{ZipCheckup}},
title = {{Castine Water Department Water Quality Report, ME}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/me0090330/}
}