Public water system · WY5600226
ActiveEast Thermopolis, Town of
At a glance
Town of East Thermopolis (PWSID WY5600226) is an active community water system in Hot Springs County, Wyoming. It reports serving 254 people through 129 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
254
Service connections
129
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Town of East Thermopolis compare with other water systems in Hot Springs County?
By EPA's size categories, Town of East Thermopolis is a very small system (500 people or fewer). Hot Springs County has 8 active public water systems, and Town of East Thermopolis is the 5th-largest of them by population served. Its population served is about half of the county average of 557 people per system, and accounts for 5.7% 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 Town of East Thermopolis 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 Town of East Thermopolis?
EPA lists Town of East Thermopolis 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 Town of East Thermopolis have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2012. The violations listed here began between September 1991 and January 2012. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 2012-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1992-01-30 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
Town of East Thermopolis: frequently asked questions
Who runs Town of East Thermopolis?
Town of East Thermopolis (PWSID WY5600226) is a community water system owned by a local government. It is regulated by the WY state drinking water program.
How many people does Town of East Thermopolis serve?
Town of East Thermopolis reports serving 254 people through 129 service connections in Hot Springs County, Wyoming.
Where does Town of East Thermopolis 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 Town of East Thermopolis have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 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 Town of East Thermopolis' 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 4 violations for this system; none is health-based, and the most recent began in January 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Town of East Thermopolis' water quality report?
As a community water system, Town of East Thermopolis 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 |
| South Thermopolis W&S District | Hot Springs | 450 | Community | Purchased 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 |
| 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, “East Thermopolis, Town of, PWSID WY5600226, Wyoming”, https://aquacensus.com/water-systems/wyoming/east-thermopolis-town-of-wy5600226 (data as of October 1, 2026).