Public water system · WY5680100
ActiveGtnp-Gros Ventre Cg
At a glance
Gtnp-Gros Ventre Cg (PWSID WY5680100) is an active transient non-community water system in Teton County, Wyoming. It reports serving 500 people through 55 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
55
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Gtnp-Gros Ventre Cg compare with other water systems in Teton County?
By EPA's size categories, Gtnp-Gros Ventre Cg is a very small system (500 people or fewer). Teton County has 112 active public water systems. Its population served is about 28% below the county average of 697 people per system, and accounts for 0.6% 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 transient non-community water system reports serving 144 people, so Gtnp-Gros Ventre Cg is about 3.5 times 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. 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-Gros Ventre Cg?
EPA lists Gtnp-Gros Ventre Cg 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-Gros Ventre Cg have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Gtnp-Gros Ventre Cg. For the latest compliance status, check EPA ECHO for current compliance history.
Gtnp-Gros Ventre Cg: frequently asked questions
Who runs Gtnp-Gros Ventre Cg?
Gtnp-Gros Ventre Cg (PWSID WY5680100) is a transient non-community water system owned by the federal government. It is regulated by the WY state drinking water program.
How many people does Gtnp-Gros Ventre Cg serve?
Gtnp-Gros Ventre Cg reports serving 500 people through 55 service connections in Teton County, Wyoming.
Where does Gtnp-Gros Ventre Cg 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-Gros Ventre Cg have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Gtnp-Gros Ventre Cg'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Gtnp-Gros Ventre Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Gtnp-Gros Ventre Cg 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 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, “Gtnp-Gros Ventre Cg, PWSID WY5680100, Wyoming”, https://aquacensus.com/water-systems/wyoming/gtnp-gros-ventre-cg-wy5680100 (data as of October 1, 2026).