Public water system · WY5680251
ActiveSinks Canyon Campground
At a glance
Sinks Canyon Campground (PWSID WY5680251) is an active transient non-community water system in Fremont County, Wyoming. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Sinks Canyon Campground compare with other water systems in Fremont County?
By EPA's size categories, Sinks Canyon Campground is a very small system (500 people or fewer). Fremont County has 61 active public water systems. Its population served is well below the county average of 433 people per system, and accounts for less than 0.1% of the 26,380 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 Sinks Canyon Campground is well below 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 Sinks Canyon Campground?
EPA lists Sinks Canyon Campground 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. 5 of the 61 active systems in Fremont County (8.2%) are also owned by the federal government.
Does Sinks Canyon Campground have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2018. The violations listed here began between July 2010 and July 2018. By type: 4 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Nitrate-Nitrite (2 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2018-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2017-01-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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.
Sinks Canyon Campground: frequently asked questions
Who runs Sinks Canyon Campground?
Sinks Canyon Campground (PWSID WY5680251) 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 Sinks Canyon Campground serve?
Sinks Canyon Campground reports serving 25 people through 1 service connection in Fremont County, Wyoming.
Where does Sinks Canyon Campground 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 Sinks Canyon Campground have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2018. 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 Sinks Canyon Campground'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 5 violations for this system; 1 is health-based, and the most recent began in July 2018. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Sinks Canyon Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sinks Canyon Campground 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 Fremont County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Riverton, City of | Fremont | 10,330 | Community | Surface water |
| Lander, City of | Fremont | 7,615 | Community | Surface water |
| Dubois, Town of | Fremont | 1,822 | Community | Groundwater |
| Shoshoni, Town of | Fremont | 515 | Community | Groundwater |
| Wy Dot-Sweetwater Rest Area | Fremont | 500 | Transient non-community | Groundwater |
| Hudson, Town of | Fremont | 460 | Community | Groundwater under influence of 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, “Sinks Canyon Campground, PWSID WY5680251, Wyoming”, https://aquacensus.com/water-systems/wyoming/sinks-canyon-campground-wy5680251 (data as of October 1, 2026).