Hot Springs County, Wyoming — public water systems
At a glance
8 active public water systems are filed under Hot Springs County, Wyoming in EPA's SDWIS records, together reporting 4,459 people served. The largest is Town of Thermopolis, which reports serving 2,775 people. 7 are community water systems serving people where they live; the other 1 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
8
Population served
4.5K
Community systems
7
Groundwater share
37.5%
How does Hot Springs County compare with other Wyoming counties?
Hot Springs County has the 22nd-most active public water systems among the 33 counties listed for active Wyoming systems in EPA records; among the 23 with 3 or more systems, the median has 27. Its systems report 4,459 people served in total, the 22nd-largest county figure in the state and 0.7% of the statewide total. The average system here reports serving 557 people, about 34% below the Wyoming average of 838. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Hot Springs County's drinking water come from?
By primary water source, Hot Springs County's active systems draw on purchased surface water (4, 50%), purchased groundwater (2, 25%), surface water (1, 13%) and purchased groundwater under influence (1, 13%). Overall, 38% rely mainly on groundwater (including purchased groundwater) and 63% on surface water, compared with 83% and 17% across Wyoming. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Town of Thermopolis, draws primarily on surface water.
What kinds of water systems operate in Hot Springs County?
Hot Springs County's active systems break down as 7 community systems (88%) and 1 transient non-community systems (13%). 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. 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. EPA lists their owner types as local government (75%), private (13%) and state government (13%).
Water systems in Hot Springs County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Thermopolis, Town of | Hot Springs | 2,775 | Community | Surface water |
| 2 | South Thermopolis W&S District | Hot Springs | 450 | Community | Purchased surface water |
| 3 | Lucerne Water and Sewer Dist. | Hot Springs | 350 | Community | Purchased groundwater |
| 4 | Wydot-Gooseberry Ra | Hot Springs | 350 | Transient non-community | Purchased groundwater under influence |
| 5 | East Thermopolis, Town of | Hot Springs | 254 | Community | Purchased surface water |
| 6 | Red Lane Domestic Water, Inc.. | Hot Springs | 110 | Community | Purchased surface water |
| 7 | Owl Creek Water District | Hot Springs | 100 | Community | Purchased surface water |
| 8 | Kirby, Town of | Hot Springs | 70 | Community | Purchased groundwater |
Hot Springs County water systems: frequently asked questions
How many public water systems are in Hot Springs County, Wyoming?
EPA's SDWIS records file 8 active public water systems under Hot Springs County, Wyoming: 7 community systems (88%) and 1 transient non-community systems (13%).
Who supplies drinking water in Hot Springs County, WY?
The largest community water systems filed under Hot Springs County are Town of Thermopolis (2,775 people served), South Thermopolis W&S District (450 people served) and Lucerne Water and Sewer Dist. (350 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Hot Springs County's drinking water come from groundwater or surface water?
Of the 8 active public water systems in Hot Springs County, 38% draw mainly on groundwater and 63% on surface water, counting purchased supplies. The largest system, Town of Thermopolis, uses surface water.
Where can I find a water quality report for Hot Springs County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 7 community systems are filed under Hot Springs County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Hot Springs County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Wyoming water systems
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, “Public water systems in Hot Springs County, Wyoming”, https://aquacensus.com/water-systems/wyoming/hot-springs (data as of October 1, 2026).