Public water system · WY5600951
ActiveWy Dot-Mule Creek Ra
At a glance
Wy Dot-Mule Creek Ra (PWSID WY5600951) is an active transient non-community water system in Niobrara County, Wyoming. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wy Dot-Mule Creek Ra compare with other water systems in Niobrara County?
By EPA's size categories, Wy Dot-Mule Creek Ra is a very small system (500 people or fewer). Niobrara County has 5 active public water systems, and Wy Dot-Mule Creek Ra is the 3rd-largest of them by population served. Its population served is about 36% below the county average of 784 people per system, and accounts for 13% of the 3,918 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-Mule Creek Ra is about 3.5 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-Mule Creek Ra?
EPA lists Wy Dot-Mule Creek 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 5 active systems in Niobrara County (40%) are also owned by a state government.
Does Wy Dot-Mule Creek Ra have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2012. The violations listed here began between July 1995 and October 2012. By type: 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 3 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-Mule Creek Ra: frequently asked questions
Who runs Wy Dot-Mule Creek Ra?
Wy Dot-Mule Creek Ra (PWSID WY5600951) 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-Mule Creek Ra serve?
Wy Dot-Mule Creek Ra reports serving 500 people through 1 service connection in Niobrara County, Wyoming.
Where does Wy Dot-Mule Creek 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-Mule Creek Ra have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2012. 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-Mule Creek 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 3 violations for this system; 1 is health-based, and the most recent began in October 2012. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Wy Dot-Mule Creek Ra's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wy Dot-Mule Creek 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 Niobrara County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wy Dot- Lusk Rest Area | Niobrara | 1,700 | Transient non-community | Groundwater |
| Lusk, Town of | Niobrara | 1,576 | Community | Groundwater |
| Manville, Town of | Niobrara | 97 | Community | Groundwater |
| Lance Creek Water District | Niobrara | 45 | 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-Mule Creek Ra, PWSID WY5600951, Wyoming”, https://aquacensus.com/water-systems/wyoming/wy-dot-mule-creek-ra-wy5600951 (data as of October 1, 2026).