Public water system · WY5601084
ActiveElkhorn Trailer Park
At a glance
Elkhorn Trailer Park (PWSID WY5601084) is an active transient non-community water system in Sheridan County, Wyoming. It reports serving 10 people through 38 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in May 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10
Service connections
38
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Elkhorn Trailer Park compare with other water systems in Sheridan County?
By EPA's size categories, Elkhorn Trailer Park 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 less than 0.1% 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 Elkhorn Trailer Park 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 Elkhorn Trailer Park?
EPA lists Elkhorn Trailer Park 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. 9 of the 21 active systems in Sheridan County (43%) are also privately owned.
Does Elkhorn Trailer Park have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in May 2023. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2023-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.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.
Elkhorn Trailer Park: frequently asked questions
Who runs Elkhorn Trailer Park?
Elkhorn Trailer Park (PWSID WY5601084) is a transient non-community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Elkhorn Trailer Park serve?
Elkhorn Trailer Park reports serving 10 people through 38 service connections in Sheridan County, Wyoming.
Where does Elkhorn Trailer Park 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 Elkhorn Trailer Park have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in May 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 Elkhorn Trailer Park'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 one violation for this system; it is not health-based, and the most recent began in May 2023. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Elkhorn Trailer Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Elkhorn Trailer Park 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sheridan, City of | Sheridan | 22,700 | Community | Surface water |
| Ranchester, Town of | Sheridan | 1,297 | Community | Surface water |
| Dayton, Town of | Sheridan | 824 | Community | Surface water |
| Veterans Administration Medical Center | Sheridan | 685 | Community | Surface water |
| Ucross Guest Ranch | Sheridan | 441 | Transient non-community | Groundwater |
| Downer Neighborhood I&S District | Sheridan | 400 | Community | Purchased 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, “Elkhorn Trailer Park, PWSID WY5601084, Wyoming”, https://aquacensus.com/water-systems/wyoming/elkhorn-trailer-park-wy5601084 (data as of October 1, 2026).