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Public water system · WY5601677

Active

Brinton Museum

At a glance

Brinton Museum (PWSID WY5601677) is an active transient non-community water system in Sheridan County, Wyoming. It reports serving 69 people through 4 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; none is health-based, and the most recent began in September 2025.

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

Population served

69

Service connections

4

Primary source

SW

Surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDWY5601677
System typeTransient non-community water system
Activity statusActive
Population served69
Service connections4
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyWY state drinking water program
City servedBig Horn
StateWyoming
ZIP—
CountySheridan County

How does Brinton Museum compare with other water systems in Sheridan County?

By EPA's size categories, Brinton Museum is a very small system (500 people or fewer). Sheridan County has 21 active public water systems. Its population served is well below the county average of 1,322 people per system, and accounts for 0.2% of the 27,770 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Brinton Museum 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. Wyoming has 352 active transient non-community water systems, 45% of the state's 775 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 50 Wyoming systems (6.5%) list surface water as their primary source.

Who owns and regulates Brinton Museum?

EPA lists Brinton Museum as owned by a local government. The WY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 21 active systems in Sheridan County (29%) are also owned by a local government.

Does Brinton Museum have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2025. The violations listed here began between June 2015 and September 2025. By type: 3 monitoring and reporting. The contaminants or rules involved are Surface Water Treatment Rule, Nitrate-Nitrite and Total coliform bacteria (TCR). EPA lists 3 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
2025-09-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2015-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Brinton Museum: frequently asked questions

Who runs Brinton Museum?

Brinton Museum (PWSID WY5601677) is a transient non-community water system owned by a local government. It is regulated by the WY state drinking water program.

How many people does Brinton Museum serve?

Brinton Museum reports serving 69 people through 4 service connections in Sheridan County, Wyoming.

Where does Brinton Museum 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 Brinton Museum have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 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 Brinton Museum'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; none is health-based, and the most recent began in September 2025. For current results, consult EPA ECHO, or the WY state drinking water program.

Where can I find Brinton Museum's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Brinton Museum 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 Sheridan County

Water systemCountyPopulation servedTypeSource
Sheridan, City ofSheridan22,700CommunitySurface water
Ranchester, Town ofSheridan1,297CommunitySurface water
Dayton, Town ofSheridan824CommunitySurface water
Veterans Administration Medical CenterSheridan685CommunitySurface water
Ucross Guest RanchSheridan441Transient non-communityGroundwater
Downer Neighborhood I&S DistrictSheridan400CommunityPurchased surface 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, “Brinton Museum, PWSID WY5601677, Wyoming”, https://aquacensus.com/water-systems/wyoming/brinton-museum-wy5601677 (data as of October 1, 2026).