Public water system · WY5601693
ActiveO Bar B Improvement & Service District
At a glance
O Bar B Improvement & Service District (PWSID WY5601693) is an active non-transient non-community water system in Teton County, Wyoming. It reports serving 100 people through 7 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 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
100
Service connections
7
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does O Bar B Improvement & Service District compare with other water systems in Teton County?
By EPA's size categories, O Bar B Improvement & Service District is a very small system (500 people or fewer). Teton County has 112 active public water systems. Its population served is well below the county average of 697 people per system, and accounts for 0.1% of the 78,057 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so O Bar B Improvement & Service District 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. Wyoming has 91 active non-transient non-community water systems, 12% of the state's 775 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 585 Wyoming systems (75%) list groundwater as their primary source.
Who owns and regulates O Bar B Improvement & Service District?
EPA lists O Bar B Improvement & Service District as privately owned. 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. 69 of the 112 active systems in Teton County (62%) are also privately owned.
Does O Bar B Improvement & Service District have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2025. The violations listed here began between July 2024 and September 2025. By type: 1 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2025-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-07-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 2 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.
O Bar B Improvement & Service District: frequently asked questions
Who runs O Bar B Improvement & Service District?
O Bar B Improvement & Service District (PWSID WY5601693) is a non-transient non-community water system privately owned. It is regulated by the WY state drinking water program.
How many people does O Bar B Improvement & Service District serve?
O Bar B Improvement & Service District reports serving 100 people through 7 service connections in Teton County, Wyoming.
Where does O Bar B Improvement & Service District 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 O Bar B Improvement & Service District have any drinking water violations?
EPA's records list 2 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 O Bar B Improvement & Service District'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 2 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 O Bar B Improvement & Service District's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. O Bar B Improvement & Service District 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 Teton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jackson, Town of | Teton | 24,760 | Community | Groundwater |
| Ynp-Old Faithful | Teton | 7,675 | Community | Surface water |
| Ynp - Lake Village | Teton | 5,925 | Community | Groundwater under influence of surface water |
| Gtnp-Colter Bay Village | Teton | 4,514 | Community | Groundwater |
| Ynp-Grant Village | Teton | 3,513 | Transient non-community | Surface water |
| Grand Targhee Resort | Teton | 2,500 | Non-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, “O Bar B Improvement & Service District, PWSID WY5601693, Wyoming”, https://aquacensus.com/water-systems/wyoming/o-bar-b-improvement-service-district-wy5601693 (data as of October 1, 2026).