Public water system · ME0006735
ActiveMarshwood Estates
At a glance
Marshwood Estates (PWSID ME0006735) is an active community water system in York County, Maine. It reports serving 233 people through 93 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
233
Service connections
93
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Marshwood Estates compare with other water systems in York County?
By EPA's size categories, Marshwood Estates is a very small system (500 people or fewer). York County has 188 active public water systems. Its population served is well below the county average of 877 people per system, and accounts for 0.1% of the 164,945 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active community water system reports serving 6,703 people, so Marshwood Estates is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maine has 386 active community water systems, 21% of the state's 1,862 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,780 Maine systems (96%) list groundwater as their primary source.
Who owns and regulates Marshwood Estates?
EPA lists Marshwood Estates as privately owned. The ME state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 161 of the 188 active systems in York County (86%) are also privately owned.
Does Marshwood Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2022. The violations listed here began between January 2017 and July 2022. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other, 2 required treatment not met and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2021-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-04-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2020-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-12-23 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2019-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-07-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-12-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-08-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-06-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Marshwood Estates: frequently asked questions
Who runs Marshwood Estates?
Marshwood Estates (PWSID ME0006735) is a community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Marshwood Estates serve?
Marshwood Estates reports serving 233 people through 93 service connections in York County, Maine.
Where does Marshwood Estates get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Marshwood Estates have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Marshwood Estates' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Marshwood Estates' water quality report?
As a community water system, Marshwood Estates must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in York County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Maine Water Company Biddeford Saco Div | York | 42,508 | Community | Surface water |
| Kennebunk, Kennebunkport & Wells Wd | York | 35,663 | Community | Surface water |
| Kittery Water District | York | 14,478 | Community | Surface water |
| Sanford Water District | York | 14,328 | Community | Groundwater |
| York Water District | York | 13,675 | Community | Surface water |
| South Berwick Water District | York | 3,722 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Marshwood Estates, PWSID ME0006735, Maine”, https://aquacensus.com/water-systems/maine/marshwood-estates-me0006735 (data as of October 1, 2026).