Public water system · ME0090990
ActiveMaine Water Company Millinocket Division
At a glance
Maine Water Company Millinocket Division (PWSID ME0090990) is an active community water system in Penobscot County, Maine. It reports serving 5,400 people through 2,160 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in October 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,400
Service connections
2,160
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Maine Water Company Millinocket Division compare with other water systems in Penobscot County?
By EPA's size categories, Maine Water Company Millinocket Division is a medium system (3,301 to 10,000 people). Penobscot County has 169 active public water systems, and Maine Water Company Millinocket Division is the 5th-largest of them by population served. Its population served is about 9.9 times the county average of 547 people per system, and accounts for 5.8% of the 92,416 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 Maine Water Company Millinocket Division is about 19% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Maine systems (3.3%) list surface water as their primary source.
Who owns and regulates Maine Water Company Millinocket Division?
EPA lists Maine Water Company Millinocket Division 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. 127 of the 169 active systems in Penobscot County (75%) are also privately owned.
Does Maine Water Company Millinocket Division have drinking water violations?
EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in October 2014. The violations listed here began between November 1993 and October 2014. By type: 5 monitoring and reporting, 2 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Haloacetic acids (HAA5) (3 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2009-12-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 1994-04-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1993-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 8 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.
Maine Water Company Millinocket Division: frequently asked questions
Who runs Maine Water Company Millinocket Division?
Maine Water Company Millinocket Division (PWSID ME0090990) is a community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Maine Water Company Millinocket Division serve?
Maine Water Company Millinocket Division reports serving 5,400 people through 2,160 service connections in Penobscot County, Maine.
Where does Maine Water Company Millinocket Division get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Maine Water Company Millinocket Division have any drinking water violations?
EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in October 2014. 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 Maine Water Company Millinocket Division'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 8 violations for this system; 3 are health-based, and the most recent began in October 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Maine Water Company Millinocket Division's water quality report?
As a community water system, Maine Water Company Millinocket Division 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 Penobscot County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bangor Water District | Penobscot | 27,298 | Community | Surface water |
| Brewer Water Department | Penobscot | 8,860 | Community | Surface water |
| Old Town Water District | Penobscot | 7,648 | Community | Groundwater |
| Orono-Veazie Water District | Penobscot | 5,793 | Community | Groundwater |
| Hampden Water District | Penobscot | 4,628 | Community | Purchased surface water |
| Lincoln Water District | Penobscot | 3,020 | 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, “Maine Water Company Millinocket Division, PWSID ME0090990, Maine”, https://aquacensus.com/water-systems/maine/maine-water-company-millinocket-division-me0090990 (data as of October 1, 2026).