Public water system · ME0000391

Active

Aos 96 Fort Obrien School

At a glance

Aos 96 Fort Obrien School (PWSID ME0000391) is an active non-transient non-community water system in Washington County, Maine. It reports serving 62 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in April 2017.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDME0000391

System typeNon-transient non-community water system

Activity statusActive

Population served62

Service connections1

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyME state drinking water program

City servedMachias

StateMaine

ZIP—

CountyWashington County

How does Aos 96 Fort Obrien School compare with other water systems in Washington County?

By EPA's size categories, Aos 96 Fort Obrien School is a very small system (500 people or fewer). Washington County has 109 active public water systems. Its population served is well below the county average of 205 people per system, and accounts for 0.3% of the 22,334 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Aos 96 Fort Obrien School is well below that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Maine has 385 active non-transient non-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 Aos 96 Fort Obrien School?

EPA lists Aos 96 Fort Obrien School 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 109 active systems in Washington County (28%) are also owned by a local government.

Does Aos 96 Fort Obrien School have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in April 2017. The violations listed here began between January 1999 and April 2017. By type: 6 monitoring and reporting, 4 required treatment not met and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (7 of them). EPA lists 12 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
2017-04-28	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2016-12-29	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved
2016-10-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	No	Resolved
2008-07-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2006-01-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	No	Resolved
2005-12-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2005-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2002-11-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2002-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2001-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1999-07-01	Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58	Lead and Copper Rulecode 5000	Yes	Resolved
1999-01-01	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved

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.

Aos 96 Fort Obrien School: frequently asked questions

Who runs Aos 96 Fort Obrien School?

Aos 96 Fort Obrien School (PWSID ME0000391) is a non-transient non-community water system owned by a local government. It is regulated by the ME state drinking water program.

How many people does Aos 96 Fort Obrien School serve?

Aos 96 Fort Obrien School reports serving 62 people through 1 service connection in Washington County, Maine.

Where does Aos 96 Fort Obrien School 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 Aos 96 Fort Obrien School have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in April 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 Aos 96 Fort Obrien School'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, 6 are health-based, and the most recent began in April 2017. For current results, consult EPA ECHO, or the ME state drinking water program.

Where can I find Aos 96 Fort Obrien School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Aos 96 Fort Obrien School is a non-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 Washington County

Water system	County	Population served	Type	Source
Calais Water Dept	Washington	2,775	Community	Groundwater
Passamaquoddy Water District	Washington	2,125	Community	Surface water
Lubec Water District	Washington	1,775	Community	Groundwater
Baileyville Utilities District	Washington	1,688	Community	Groundwater
Machias Water Company	Washington	1,390	Community	Groundwater
Indian Township Tribal Water System	Washington	535	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, “Aos 96 Fort Obrien School, PWSID ME0000391, Maine”, https://aquacensus.com/water-systems/maine/aos-96-fort-obrien-school-me0000391 (data as of October 1, 2026).