Public water system · ME0090620
ActiveGray Water District
At a glance
Gray Water District (PWSID ME0090620) is an active community water system in Cumberland County, Maine. It reports serving 2,468 people through 987 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,468
Service connections
987
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Gray Water District compare with other water systems in Cumberland County?
By EPA's size categories, Gray Water District is a small system (501 to 3,300 people). Cumberland County has 225 active public water systems, and Gray Water District is the 6th-largest of them by population served. Its population served is about 155% above the county average of 967 people per system, and accounts for 1.1% of the 217,594 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 Gray Water District is about 63% 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 Gray Water District?
EPA lists Gray Water District as owned by a local government. 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. 24 of the 225 active systems in Cumberland County (11%) are also owned by a local government.
Does Gray Water District have drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in September 2025. The violations listed here began between September 2012 and September 2025. By type: 3 monitoring and reporting, 2 public notice, recordkeeping or other, 1 required treatment not met, 1 contaminant level above the legal limit, 1 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2025-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-11-17 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2024-10-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2024-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-10-17 | ReportingReporting, Assessment Forms (RTCR) · code 4A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-10-26 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2012-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 9 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.
Gray Water District: frequently asked questions
Who runs Gray Water District?
Gray Water District (PWSID ME0090620) is a community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Gray Water District serve?
Gray Water District reports serving 2,468 people through 987 service connections in Cumberland County, Maine.
Where does Gray Water District 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 Gray Water District have any drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in September 2025. 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 Gray Water District's 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. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in September 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Gray Water District's water quality report?
As a community water system, Gray Water District 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 Cumberland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Portland Water District-Greater | Cumberland | 135,068 | Community | Surface water |
| Brunswick/Topsham Water District | Cumberland | 18,863 | Community | Groundwater |
| Yarmouth Water District | Cumberland | 8,000 | Community | Groundwater |
| Bridgton Water District | Cumberland | 3,660 | Community | Groundwater |
| Maine Water Company Freeport Division | Cumberland | 2,700 | Community | Groundwater |
| Point Sebago Outdoor Resort | Cumberland | 1,833 | Transient non-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, “Gray Water District, PWSID ME0090620, Maine”, https://aquacensus.com/water-systems/maine/gray-water-district-me0090620 (data as of October 1, 2026).