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Public water system · 083090016

Active

Pretty Eagle School

At a glance

Pretty Eagle School (PWSID 083090016) is an active non-transient non-community water system in Montana. It reports serving 188 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025.

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

Population served

188

Service connections

5

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSID083090016
System typeNon-transient non-community water system
Activity statusActive
Population served188
Service connections5
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 08
City served—
StateMontana
ZIP—
County—

How does Pretty Eagle School compare with other water systems in Montana?

By EPA's size categories, Pretty Eagle School is a very small system (500 people or fewer). Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Pretty Eagle School is about 56% 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. Montana has 319 active non-transient non-community water systems, 13% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.

Who owns and regulates Pretty Eagle School?

EPA lists Pretty Eagle School as Native American-owned. The EPA Region 08 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Pretty Eagle School have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. The violations listed here began between January 2015 and October 2025. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2024-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2022-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2021-09-29Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Asbestoscode 1094NoResolved
2020-09-29Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2020-09-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2020-09-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2016-05-29Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2015-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2015-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved

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.

Pretty Eagle School: frequently asked questions

Who runs Pretty Eagle School?

Pretty Eagle School (PWSID 083090016) is a non-transient non-community water system Native American-owned. It is regulated by the EPA Region 08.

How many people does Pretty Eagle School serve?

Pretty Eagle School reports serving 188 people through 5 service connections in Montana.

Where does Pretty Eagle 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 Pretty Eagle School have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. 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 Pretty Eagle 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, one is health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the EPA Region 08.

Where can I find Pretty Eagle School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Pretty Eagle 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 Montana

Water systemCountyPopulation servedTypeSource
Billings City ofYellowstone114,000CommunitySurface water
Missoula WaterMissoula68,200CommunityGroundwater
Great Falls City ofCascade60,000CommunitySurface water
Bozeman City ofGallatin56,000CommunitySurface water
Butte Silverbow Water DeptSilver Bow33,000CommunitySurface water
Helena Water SystemLewis and Clark32,091CommunitySurface water

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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, “Pretty Eagle School, PWSID 083090016, Montana”, https://aquacensus.com/water-systems/montana/pretty-eagle-school-083090016 (data as of October 1, 2026).