Public water system · WY5601061
ActiveWy Dot-Cheyenne River Ra
At a glance
Wy Dot-Cheyenne River Ra (PWSID WY5601061) is an active transient non-community water system in Converse County, Wyoming. It reports serving 300 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wy Dot-Cheyenne River Ra compare with other water systems in Converse County?
By EPA's size categories, Wy Dot-Cheyenne River Ra is a very small system (500 people or fewer). Converse County has 19 active public water systems. Its population served is about 60% below the county average of 756 people per system, and accounts for 2.1% of the 14,359 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 Wy Dot-Cheyenne River Ra is about twice 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 Wy Dot-Cheyenne River Ra?
EPA lists Wy Dot-Cheyenne River Ra as owned by a state 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. 2 of the 19 active systems in Converse County (11%) are also owned by a state government.
Does Wy Dot-Cheyenne River Ra have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between January 1996 and January 2025. By type: 7 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Nitrate-Nitrite (2 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2021-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 8 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.
Wy Dot-Cheyenne River Ra: frequently asked questions
Who runs Wy Dot-Cheyenne River Ra?
Wy Dot-Cheyenne River Ra (PWSID WY5601061) is a transient non-community water system owned by a state government. It is regulated by the WY state drinking water program.
How many people does Wy Dot-Cheyenne River Ra serve?
Wy Dot-Cheyenne River Ra reports serving 300 people through 3 service connections in Converse County, Wyoming.
Where does Wy Dot-Cheyenne River Ra 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 Wy Dot-Cheyenne River Ra have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 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 Wy Dot-Cheyenne River Ra'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 8 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Wy Dot-Cheyenne River Ra's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wy Dot-Cheyenne River Ra 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 Converse County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Douglas, City of | Converse | 6,400 | Community | Surface water |
| Glenrock, Town of | Converse | 2,466 | Community | Groundwater |
| Wydot-Orin Junction Rest Area | Converse | 1,900 | Transient non-community | Groundwater |
| Navajo Trans Engr Co., LLC (Antelope) | Converse | 550 | Non-transient non-community | Groundwater |
| Broken Wheel Truck Stop | Converse | 540 | Non-transient non-community | Groundwater |
| Lone Tree Village MHP | Converse | 475 | Community | Purchased surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Wy Dot-Cheyenne River Ra, PWSID WY5601061, Wyoming”, https://aquacensus.com/water-systems/wyoming/wy-dot-cheyenne-river-ra-wy5601061 (data as of October 1, 2026).