Public water system · ME0091310
ActivePresque Isle Utilities District
At a glance
Presque Isle Utilities District (PWSID ME0091310) is an active community water system in Aroostook County, Maine. It reports serving 6,128 people through 2,454 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 7 are health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,128
Service connections
2,454
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Presque Isle Utilities District compare with other water systems in Aroostook County?
By EPA's size categories, Presque Isle Utilities District is a medium system (3,301 to 10,000 people). Aroostook County has 123 active public water systems, and Presque Isle Utilities District is the largest of them by population served. Its population served is about 19 times the county average of 329 people per system, and accounts for 15% of the 40,518 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 Presque Isle Utilities District is roughly in line with 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 under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 4 Maine systems (0.2%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Presque Isle Utilities District?
EPA lists Presque Isle 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. 21 of the 123 active systems in Aroostook County (17%) are also owned by a local government.
Does Presque Isle Utilities District have drinking water violations?
EPA's records list 10 violations for this system; 7 are health-based, and the most recent began in October 2021. The violations listed here began between September 1993 and October 2021. By type: 4 contaminant level above the legal limit, 3 monitoring and reporting and 3 required treatment not met. The contaminant or rule involved most often is Haloacetic acids (HAA5) (3 of them). EPA lists 9 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2016-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 1997-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1993-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1993-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
All 10 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.
Presque Isle Utilities District: frequently asked questions
Who runs Presque Isle Utilities District?
Presque Isle Utilities District (PWSID ME0091310) is a community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Presque Isle Utilities District serve?
Presque Isle Utilities District reports serving 6,128 people through 2,454 service connections in Aroostook County, Maine.
Where does Presque Isle Utilities District get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Presque Isle Utilities District have any drinking water violations?
EPA's records list 10 violations for this system; 7 are health-based, and the most recent began in October 2021. 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 Presque Isle 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 10 violations for this system; 7 are health-based, and the most recent began in October 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Presque Isle Utilities District's water quality report?
As a community water system, Presque Isle 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 Aroostook County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Houlton Water Company | Aroostook | 4,735 | Community | Groundwater |
| Caribou Utilities District | Aroostook | 3,943 | Community | Groundwater |
| Madawaska Water District | Aroostook | 2,738 | Community | Groundwater |
| Van Buren Water District | Aroostook | 2,190 | Community | Groundwater |
| Fort Fairfield Utilities District | Aroostook | 2,025 | Community | Surface water |
| Fort Kent W & W Department | Aroostook | 1,578 | 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, “Presque Isle Utilities District, PWSID ME0091310, Maine”, https://aquacensus.com/water-systems/maine/presque-isle-utilities-district-me0091310 (data as of October 1, 2026).