Public water system · WY5600920
ActiveCoal Creek Mine-Thunder Basin Coal Co
At a glance
Coal Creek Mine-Thunder Basin Coal Co (PWSID WY5600920) is an active non-transient non-community water system in Campbell County, Wyoming. It reports serving 105 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
105
Service connections
4
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Coal Creek Mine-Thunder Basin Coal Co compare with other water systems in Campbell County?
By EPA's size categories, Coal Creek Mine-Thunder Basin Coal Co is a very small system (500 people or fewer). Campbell County has 68 active public water systems. Its population served is well below the county average of 779 people per system, and accounts for 0.2% of the 52,981 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Coal Creek Mine-Thunder Basin Coal Co is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wyoming has 91 active non-transient non-community water systems, 12% 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 Coal Creek Mine-Thunder Basin Coal Co?
EPA lists Coal Creek Mine-Thunder Basin Coal Co as privately owned. 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. 51 of the 68 active systems in Campbell County (75%) are also privately owned.
Does Coal Creek Mine-Thunder Basin Coal Co have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2006. The violations listed here began between October 1983 and July 2006. By type: 2 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR) and Nitrate. EPA lists 2 as archived. 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 |
|---|---|---|---|---|
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1983-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 2 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.
Coal Creek Mine-Thunder Basin Coal Co: frequently asked questions
Who runs Coal Creek Mine-Thunder Basin Coal Co?
Coal Creek Mine-Thunder Basin Coal Co (PWSID WY5600920) is a non-transient non-community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Coal Creek Mine-Thunder Basin Coal Co serve?
Coal Creek Mine-Thunder Basin Coal Co reports serving 105 people through 4 service connections in Campbell County, Wyoming.
Where does Coal Creek Mine-Thunder Basin Coal Co 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 Coal Creek Mine-Thunder Basin Coal Co have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2006. 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 Coal Creek Mine-Thunder Basin Coal Co'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 2 violations for this system; none is health-based, and the most recent began in July 2006. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Coal Creek Mine-Thunder Basin Coal Co's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Coal Creek Mine-Thunder Basin Coal Co is a non-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 Campbell County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Gillette, City of | Campbell | 32,222 | Community | Groundwater |
| Wright Water & Sewer District | Campbell | 3,207 | Community | Groundwater |
| Sleepy Hollow Subdivision | Campbell | 2,400 | Community | Groundwater |
| Antelope Valley I&S District (Avisd) | Campbell | 1,280 | Community | Groundwater |
| Fox Park Subdivision | Campbell | 843 | Community | Groundwater |
| Heritage Village Subdivision | Campbell | 750 | 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, “Coal Creek Mine-Thunder Basin Coal Co, PWSID WY5600920, Wyoming”, https://aquacensus.com/water-systems/wyoming/coal-creek-mine-thunder-basin-coal-co-wy5600920 (data as of October 1, 2026).