Public water system · ME0093851
ActiveHancock County-Bar Harbor Airport
At a glance
Hancock County-Bar Harbor Airport (PWSID ME0093851) is an active transient non-community water system in Hancock County, Maine. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hancock County-Bar Harbor Airport compare with other water systems in Hancock County?
By EPA's size categories, Hancock County-Bar Harbor Airport is a very small system (500 people or fewer). Hancock County has 203 active public water systems. Its population served is about 57% below the county average of 232 people per system, and accounts for 0.2% 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 transient non-community water system reports serving 144 people, so Hancock County-Bar Harbor Airport is about 31% below 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 Hancock County-Bar Harbor Airport?
EPA lists Hancock County-Bar Harbor Airport 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. 157 of the 203 active systems in Hancock County (77%) are also privately owned.
Does Hancock County-Bar Harbor Airport have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2014. The violations listed here began between April 2006 and December 2014. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2014-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 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.
Hancock County-Bar Harbor Airport: frequently asked questions
Who runs Hancock County-Bar Harbor Airport?
Hancock County-Bar Harbor Airport (PWSID ME0093851) is a transient non-community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Hancock County-Bar Harbor Airport serve?
Hancock County-Bar Harbor Airport reports serving 100 people through 1 service connection in Hancock County, Maine.
Where does Hancock County-Bar Harbor Airport 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 Hancock County-Bar Harbor Airport have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 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 Hancock County-Bar Harbor Airport'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 4 violations for this system; 1 is health-based, and the most recent began in December 2014. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Hancock County-Bar Harbor Airport's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hancock County-Bar Harbor Airport 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 Hancock County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Town of Bar Harbor- Water Division | Hancock | 4,443 | Community | Surface water |
| 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 |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Hancock County-Bar Harbor Airport, PWSID ME0093851, Maine”, https://aquacensus.com/water-systems/maine/hancock-county-bar-harbor-airport-me0093851 (data as of October 1, 2026).