Public water system · WY5601062
ActiveWy Dot-Shirley Rim Rest Area
At a glance
Wy Dot-Shirley Rim Rest Area (PWSID WY5601062) is an active transient non-community water system in Carbon County, Wyoming. It reports serving 105 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
105
Service connections
8
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wy Dot-Shirley Rim Rest Area compare with other water systems in Carbon County?
By EPA's size categories, Wy Dot-Shirley Rim Rest Area is a very small system (500 people or fewer). Carbon County has 25 active public water systems. Its population served is well below the county average of 725 people per system, and accounts for 0.6% of the 18,136 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-Shirley Rim Rest Area is about 27% 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 Wy Dot-Shirley Rim Rest Area?
EPA lists Wy Dot-Shirley Rim Rest Area 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. 3 of the 25 active systems in Carbon County (12%) are also owned by a state government.
Does Wy Dot-Shirley Rim Rest Area have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2021. The violations listed here began between January 2004 and July 2021. By type: 2 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2021-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-08-12 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 4 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-Shirley Rim Rest Area: frequently asked questions
Who runs Wy Dot-Shirley Rim Rest Area?
Wy Dot-Shirley Rim Rest Area (PWSID WY5601062) 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-Shirley Rim Rest Area serve?
Wy Dot-Shirley Rim Rest Area reports serving 105 people through 8 service connections in Carbon County, Wyoming.
Where does Wy Dot-Shirley Rim Rest Area 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-Shirley Rim Rest Area have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2021. 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-Shirley Rim Rest Area'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 4 violations for this system; none is health-based, and the most recent began in July 2021. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Wy Dot-Shirley Rim Rest Area's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wy Dot-Shirley Rim Rest Area 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 Carbon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rawlins Water Supply, City of | Carbon | 9,006 | Community | Surface water |
| Saratoga, Town of | Carbon | 1,720 | Community | Groundwater |
| Wy Dot-Fort Steele Rest Area | Carbon | 1,660 | Transient non-community | Surface water |
| Hanna, Town of | Carbon | 841 | Community | Surface water |
| Wy Dot-Wagonhound Rest Area | Carbon | 750 | Transient non-community | Groundwater |
| Brush Creek Ranch | Carbon | 717 | 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, “Wy Dot-Shirley Rim Rest Area, PWSID WY5601062, Wyoming”, https://aquacensus.com/water-systems/wyoming/wy-dot-shirley-rim-rest-area-wy5601062 (data as of October 1, 2026).