Public water system · WY5680054
ActiveMbnf-South Brush Creek Cg (Or Cg Lower)
At a glance
Mbnf-South Brush Creek Cg (Or Cg Lower) (PWSID WY5680054) is an active transient non-community water system in Carbon County, Wyoming. It reports serving 80 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mbnf-South Brush Creek Cg (Or Cg Lower) compare with other water systems in Carbon County?
By EPA's size categories, Mbnf-South Brush Creek Cg (Or Cg Lower) 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 0.4% 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 Mbnf-South Brush Creek Cg (Or Cg Lower) is about 44% 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 Mbnf-South Brush Creek Cg (Or Cg Lower)?
EPA lists Mbnf-South Brush Creek Cg (Or Cg Lower) as owned by the federal 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 the federal government.
Does Mbnf-South Brush Creek Cg (Or Cg Lower) have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2023. The violations listed here began between January 2017 and August 2023. By type: 6 monitoring, 4 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (8 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2023-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-06-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2018-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2017-01-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
The 12 most recent 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.
Mbnf-South Brush Creek Cg (Or Cg Lower): frequently asked questions
Who runs Mbnf-South Brush Creek Cg (Or Cg Lower)?
Mbnf-South Brush Creek Cg (Or Cg Lower) (PWSID WY5680054) is a transient non-community water system owned by the federal government. It is regulated by the WY state drinking water program.
How many people does Mbnf-South Brush Creek Cg (Or Cg Lower) serve?
Mbnf-South Brush Creek Cg (Or Cg Lower) reports serving 80 people through 2 service connections in Carbon County, Wyoming.
Where does Mbnf-South Brush Creek Cg (Or Cg Lower) 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 Mbnf-South Brush Creek Cg (Or Cg Lower) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 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 Mbnf-South Brush Creek Cg (Or Cg Lower)'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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2023. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Mbnf-South Brush Creek Cg (Or Cg Lower)'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mbnf-South Brush Creek Cg (Or Cg Lower) 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, “Mbnf-South Brush Creek Cg (Or Cg Lower), PWSID WY5680054, Wyoming”, https://aquacensus.com/water-systems/wyoming/mbnf-south-brush-creek-cg-or-cg-lower-wy5680054 (data as of October 1, 2026).