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Public water system · ME0004190

Active

Wilson Lake Inn

At a glance

Wilson Lake Inn (PWSID ME0004190) is an active transient non-community water system in Franklin County, Maine. It reports serving 65 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in March 2015.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

65

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDME0004190
System typeTransient non-community water system
Activity statusActive
Population served65
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyME state drinking water program
City servedWilton
StateMaine
ZIP—
CountyFranklin County

How does Wilson Lake Inn compare with other water systems in Franklin County?

By EPA's size categories, Wilson Lake Inn is a very small system (500 people or fewer). Franklin County has 63 active public water systems. Its population served is well below the county average of 365 people per system, and accounts for 0.3% of the 22,988 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Wilson Lake Inn is about half of that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Maine has 1,091 active transient non-community water systems, 59% 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 Wilson Lake Inn?

EPA lists Wilson Lake Inn 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. 44 of the 63 active systems in Franklin County (70%) are also privately owned.

Does Wilson Lake Inn have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in March 2015. The violations listed here began between January 1999 and March 2015. By type: 8 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 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.

BeganViolationContaminant or ruleHealth-basedStatus
2015-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2007-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2002-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1999-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Wilson Lake Inn: frequently asked questions

Who runs Wilson Lake Inn?

Wilson Lake Inn (PWSID ME0004190) is a transient non-community water system privately owned. It is regulated by the ME state drinking water program.

How many people does Wilson Lake Inn serve?

Wilson Lake Inn reports serving 65 people through 1 service connection in Franklin County, Maine.

Where does Wilson Lake Inn 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 Wilson Lake Inn have any drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in March 2015. 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 Wilson Lake Inn'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; 1 is health-based, and the most recent began in March 2015. For current results, consult EPA ECHO, or the ME state drinking water program.

Where can I find Wilson Lake Inn's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Wilson Lake Inn is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Franklin County

Water systemCountyPopulation servedTypeSource
Farmington Village Corp Water DeptFranklin4,050CommunityGroundwater
Wilton Water DepartmentFranklin2,800CommunitySurface water
Sugarloaf Water AssociationFranklin1,730CommunitySurface water
Rangeley Water DistrictFranklin1,378CommunityGroundwater
Jay Village Water DistrictFranklin975CommunityPurchased surface water
Kingfield Water DistrictFranklin950CommunityGroundwater

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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, “Wilson Lake Inn, PWSID ME0004190, Maine”, https://aquacensus.com/water-systems/maine/wilson-lake-inn-me0004190 (data as of October 1, 2026).