Public water system · WY5601083
ActiveSouth Thermopolis W&S District
At a glance
South Thermopolis W&S District (PWSID WY5601083) is an active community water system in Hot Springs County, Wyoming. It reports serving 450 people through 156 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in December 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
450
Service connections
156
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does South Thermopolis W&S District compare with other water systems in Hot Springs County?
By EPA's size categories, South Thermopolis W&S District is a very small system (500 people or fewer). Hot Springs County has 8 active public water systems, and South Thermopolis W&S District is the 2nd-largest of them by population served. Its population served is about 19% below the county average of 557 people per system, and accounts for 10% of the 4,459 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active community water system reports serving 6,703 people, so South Thermopolis W&S District is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wyoming has 332 active community water systems, 43% of the state's 775 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 79 Wyoming systems (10%) list purchased surface water as their primary source.
Who owns and regulates South Thermopolis W&S District?
EPA lists South Thermopolis W&S District as owned by a local 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. 6 of the 8 active systems in Hot Springs County (75%) are also owned by a local government.
Does South Thermopolis W&S District have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in December 2021. The violations listed here began between January 1992 and December 2021. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as resolved and 2 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 |
|---|---|---|---|---|
| 2021-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 1997-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 5 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.
South Thermopolis W&S District: frequently asked questions
Who runs South Thermopolis W&S District?
South Thermopolis W&S District (PWSID WY5601083) is a community water system owned by a local government. It is regulated by the WY state drinking water program.
How many people does South Thermopolis W&S District serve?
South Thermopolis W&S District reports serving 450 people through 156 service connections in Hot Springs County, Wyoming.
Where does South Thermopolis W&S District get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does South Thermopolis W&S District have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in December 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 South Thermopolis W&S District'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 5 violations for this system; none is health-based, and the most recent began in December 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find South Thermopolis W&S District's water quality report?
As a community water system, South Thermopolis W&S District must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Hot Springs County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Thermopolis, Town of | Hot Springs | 2,775 | Community | Surface water |
| Wydot-Gooseberry Ra | Hot Springs | 350 | Transient non-community | Purchased groundwater under influence |
| Lucerne Water and Sewer Dist. | Hot Springs | 350 | Community | Purchased groundwater |
| East Thermopolis, Town of | Hot Springs | 254 | Community | Purchased surface water |
| Red Lane Domestic Water, Inc.. | Hot Springs | 110 | Community | Purchased surface water |
| Owl Creek Water District | Hot Springs | 100 | Community | Purchased surface water |
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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, “South Thermopolis W&S District, PWSID WY5601083, Wyoming”, https://aquacensus.com/water-systems/wyoming/south-thermopolis-w-s-district-wy5601083 (data as of October 1, 2026).