Public water system · WY5680095
ActiveGtnp-Colter Bay Village
At a glance
Gtnp-Colter Bay Village (PWSID WY5680095) is an active community water system in Teton County, Wyoming. It reports serving 4,514 people through 407 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,514
Service connections
407
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Gtnp-Colter Bay Village compare with other water systems in Teton County?
By EPA's size categories, Gtnp-Colter Bay Village is a medium system (3,301 to 10,000 people). Teton County has 112 active public water systems, and Gtnp-Colter Bay Village is the 4th-largest of them by population served. Its population served is about 6.5 times the county average of 697 people per system, and accounts for 5.8% 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 community water system reports serving 6,703 people, so Gtnp-Colter Bay Village is about 33% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wyoming has 332 active community water systems, 43% 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 Gtnp-Colter Bay Village?
EPA lists Gtnp-Colter Bay Village as owned by the federal 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. 32 of the 112 active systems in Teton County (29%) are also owned by the federal government.
Does Gtnp-Colter Bay Village have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2023. The violations listed here began between May 2007 and April 2023. By type: 1 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminants or rules involved are Chlorine, Revised Total Coliform Rule and Total coliform bacteria (TCR). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2022-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2007-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
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.
Gtnp-Colter Bay Village: frequently asked questions
Who runs Gtnp-Colter Bay Village?
Gtnp-Colter Bay Village (PWSID WY5680095) is a community water system owned by the federal government. It is regulated by the WY state drinking water program.
How many people does Gtnp-Colter Bay Village serve?
Gtnp-Colter Bay Village reports serving 4,514 people through 407 service connections in Teton County, Wyoming.
Where does Gtnp-Colter Bay Village 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 Gtnp-Colter Bay Village have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2023. 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 Gtnp-Colter Bay Village'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; 1 is health-based, and the most recent began in April 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Gtnp-Colter Bay Village's water quality report?
As a community water system, Gtnp-Colter Bay Village must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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 |
| Ynp-Grant Village | Teton | 3,513 | Transient non-community | Surface water |
| Grand Targhee Resort | Teton | 2,500 | Non-transient non-community | Groundwater |
| Rendezvous (R) Park | Teton | 2,006 | 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, “Gtnp-Colter Bay Village, PWSID WY5680095, Wyoming”, https://aquacensus.com/water-systems/wyoming/gtnp-colter-bay-village-wy5680095 (data as of October 1, 2026).