Thermopolis WWTF
Thermopolis, WY · Hot Springs County · Publicly Owned Treatment Works
- Average flow
- 0.3 MGD
- Design flow
- —
- NPDES permit
- WY0020192
- Effective
- Permit expires
- August 2030
- Population served
- —
- CWNS 2022
Thermopolis WWTF is a publicly owned wastewater treatment works in Thermopolis, Hot Springs County, Wyoming treating an average of 0.3 million gallons per day. It discharges under NPDES permit WY0020192 (effective), which expires in August 2030, with 20 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 20
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Thermopolis WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in Wyoming
Worland · 28 mi away
0.71 MGD
Manderson · 45 mi away
0.02 MGD
Ten Sleep · 46 mi away
—
Meeteetse · 48 mi away
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Fort Washakie · 49 mi away
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Basin · 52 mi away
0.55 MGD
Ethete · 53 mi away
0.0062 MGD
Fort Washakie · 54 mi away
0.1 MGD
Thermopolis WWTF: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated February 28, 2025.