Public water system · ME0090120
ActiveTown of Bar Harbor- Water Division
At a glance
Town of Bar Harbor- Water Division (PWSID ME0090120) is an active community water system in Hancock County, Maine. It reports serving 4,443 people through 1,777 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in December 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,443
Service connections
1,777
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Town of Bar Harbor- Water Division compare with other water systems in Hancock County?
By EPA's size categories, Town of Bar Harbor- Water Division is a medium system (3,301 to 10,000 people). Hancock County has 203 active public water systems, and Town of Bar Harbor- Water Division is the largest of them by population served. Its population served is about 19 times the county average of 232 people per system, and accounts for 9.4% of the 47,019 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 Town of Bar Harbor- Water Division is about 34% 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 Town of Bar Harbor- Water Division?
EPA lists Town of Bar Harbor- Water Division 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. 30 of the 203 active systems in Hancock County (15%) are also owned by a local government.
Does Town of Bar Harbor- Water Division have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in December 2017. The violations listed here began between July 1995 and December 2017. By type: 1 monitoring and reporting, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminants or rules involved are Lead and Copper Rule, Surface Water Treatment Rule and Total coliform bacteria (TCR). EPA lists 2 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 |
|---|---|---|---|---|
| 2017-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1997-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1995-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 3 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.
Town of Bar Harbor- Water Division: frequently asked questions
Who runs Town of Bar Harbor- Water Division?
Town of Bar Harbor- Water Division (PWSID ME0090120) is a community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Town of Bar Harbor- Water Division serve?
Town of Bar Harbor- Water Division reports serving 4,443 people through 1,777 service connections in Hancock County, Maine.
Where does Town of Bar Harbor- Water 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 Town of Bar Harbor- Water Division have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in December 2017. 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 Town of Bar Harbor- Water 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 3 violations for this system; 2 are health-based, and the most recent began in December 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Town of Bar Harbor- Water Division's water quality report?
As a community water system, Town of Bar Harbor- Water 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 Hancock County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ellsworth Water Department | Hancock | 3,910 | Community | Surface water |
| Southwest Harbor Water & Sewer District | Hancock | 2,480 | Community | Surface water |
| Maine Water Company Bucksport Division | Hancock | 1,700 | Community | Surface water |
| Mount Desert Water Dist North | Hancock | 1,623 | Community | Surface water |
| Castine Water Department | Hancock | 983 | Community | Groundwater under influence of surface water |
| Us Nps Jordan Pond Hse (18) | Hancock | 888 | Transient non-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, “Town of Bar Harbor- Water Division, PWSID ME0090120, Maine”, https://aquacensus.com/water-systems/maine/town-of-bar-harbor-water-division-me0090120 (data as of October 1, 2026).