Public water system · ME0090630
ActiveMaine Water Company Greenville Division
At a glance
Maine Water Company Greenville Division (PWSID ME0090630) is an active community water system in Piscataquis County, Maine. It reports serving 1,335 people through 534 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 January 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,335
Service connections
534
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Maine Water Company Greenville Division compare with other water systems in Piscataquis County?
By EPA's size categories, Maine Water Company Greenville Division is a small system (501 to 3,300 people). Piscataquis County has 42 active public water systems, and Maine Water Company Greenville Division is the 4th-largest of them by population served. Its population served is about 4.7 times the county average of 282 people per system, and accounts for 11% 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 Maine Water Company Greenville Division 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 Maine Water Company Greenville Division?
EPA lists Maine Water Company Greenville 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. 30 of the 42 active systems in Piscataquis County (71%) are also privately owned.
Does Maine Water Company Greenville Division have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2004. The violations listed here began between January 1993 and January 2004. By type: 10 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 10 as archived and 2 as resolved. 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. 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 |
|---|---|---|---|---|
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1993-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
| 1993-08-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
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.
Maine Water Company Greenville Division: frequently asked questions
Who runs Maine Water Company Greenville Division?
Maine Water Company Greenville Division (PWSID ME0090630) is a community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Maine Water Company Greenville Division serve?
Maine Water Company Greenville Division reports serving 1,335 people through 534 service connections in Piscataquis County, Maine.
Where does Maine Water Company Greenville Division 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 Maine Water Company Greenville Division 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 January 2004. 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 Greenville 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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2004. 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 Greenville Division's water quality report?
As a community water system, Maine Water Company Greenville 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 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 |
| Guilford-Sangerville Utilities District | Piscataquis | 1,535 | 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, “Maine Water Company Greenville Division, PWSID ME0090630, Maine”, https://aquacensus.com/water-systems/maine/maine-water-company-greenville-division-me0090630 (data as of October 1, 2026).