Public water system · WY5601582
ActiveWy Dot-Dwyer Junction Rest Area
At a glance
Wy Dot-Dwyer Junction Rest Area (PWSID WY5601582) is an active transient non-community water system in Platte County, Wyoming. It reports serving 650 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
650
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wy Dot-Dwyer Junction Rest Area compare with other water systems in Platte County?
By EPA's size categories, Wy Dot-Dwyer Junction Rest Area is a small system (501 to 3,300 people). Platte County has 28 active public water systems, and Wy Dot-Dwyer Junction Rest Area is the 4th-largest of them by population served. Its population served is about 82% above the county average of 357 people per system, and accounts for 6.5% of the 9,999 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-Dwyer Junction Rest Area is about 4.5 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 Wy Dot-Dwyer Junction Rest Area?
EPA lists Wy Dot-Dwyer Junction 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. 14 of the 28 active systems in Platte County (50%) are also owned by a state government.
Does Wy Dot-Dwyer Junction Rest Area have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2017. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate-Nitrite. 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 |
|---|---|---|---|---|
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | 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.
Wy Dot-Dwyer Junction Rest Area: frequently asked questions
Who runs Wy Dot-Dwyer Junction Rest Area?
Wy Dot-Dwyer Junction Rest Area (PWSID WY5601582) 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-Dwyer Junction Rest Area serve?
Wy Dot-Dwyer Junction Rest Area reports serving 650 people through 2 service connections in Platte County, Wyoming.
Where does Wy Dot-Dwyer Junction 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-Dwyer Junction Rest Area 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 January 2017. 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-Dwyer Junction 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 one violation for this system; it is not health-based, and the most recent began in January 2017. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Wy Dot-Dwyer Junction Rest Area's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wy Dot-Dwyer Junction 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 Platte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wheatland, Town of | Platte | 3,659 | Community | Groundwater |
| Arng-Camp Guernsey Cantonment | Platte | 2,000 | Non-transient non-community | Groundwater |
| Guernsey, Town of | Platte | 1,157 | Community | Groundwater |
| Basin Electric Power Co-Op | Platte | 310 | Non-transient non-community | Groundwater |
| Arng-Guernsey Training Camp | Platte | 302 | Transient non-community | Groundwater |
| Glendo, Town of | Platte | 289 | 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-Dwyer Junction Rest Area, PWSID WY5601582, Wyoming”, https://aquacensus.com/water-systems/wyoming/wy-dot-dwyer-junction-rest-area-wy5601582 (data as of October 1, 2026).