Public water system · ME0090640
ActiveGuilford-Sangerville Utilities District
At a glance
Guilford-Sangerville Utilities District (PWSID ME0090640) is an active community water system in Piscataquis County, Maine. It reports serving 1,535 people through 614 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; 3 are health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,535
Service connections
614
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Guilford-Sangerville Utilities District compare with other water systems in Piscataquis County?
By EPA's size categories, Guilford-Sangerville Utilities District is a small system (501 to 3,300 people). Piscataquis County has 42 active public water systems, and Guilford-Sangerville Utilities District is the 3rd-largest of them by population served. Its population served is about 5.5 times the county average of 282 people per system, and accounts for 13% of the 11,828 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 Guilford-Sangerville Utilities District 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 Guilford-Sangerville Utilities District?
EPA lists Guilford-Sangerville Utilities 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. 7 of the 42 active systems in Piscataquis County (17%) are also owned by a local government.
Does Guilford-Sangerville Utilities District have drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in January 2024. The violations listed here began between September 1996 and January 2024. By type: 6 monitoring and reporting, 2 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper 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 |
|---|---|---|---|---|
| 2024-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2023-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2005-07-11 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-04-01 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1996-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Guilford-Sangerville Utilities District: frequently asked questions
Who runs Guilford-Sangerville Utilities District?
Guilford-Sangerville Utilities District (PWSID ME0090640) is a community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Guilford-Sangerville Utilities District serve?
Guilford-Sangerville Utilities District reports serving 1,535 people through 614 service connections in Piscataquis County, Maine.
Where does Guilford-Sangerville Utilities 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 Guilford-Sangerville Utilities District have any drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in January 2024. 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 Guilford-Sangerville Utilities 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; 3 are health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Guilford-Sangerville Utilities District's water quality report?
As a community water system, Guilford-Sangerville Utilities 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 Piscataquis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dover-Foxcroft Water District | Piscataquis | 2,400 | Community | Surface water |
| Milo Water District | Piscataquis | 1,720 | Community | Surface water |
| Maine Water Company Greenville Division | Piscataquis | 1,335 | Community | Groundwater |
| Brownville Jct Water Dept | Piscataquis | 663 | Community | Groundwater |
| Spacious Skies Cg-Balsam Woods | Piscataquis | 322 | Transient non-community | Groundwater |
| Monson Utilities District | Piscataquis | 298 | 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, “Guilford-Sangerville Utilities District, PWSID ME0090640, Maine”, https://aquacensus.com/water-systems/maine/guilford-sangerville-utilities-district-me0090640 (data as of October 1, 2026).