Park City County Wastewater Treatment Facility
Park City, MT · Stillwater County · Publicly Owned Treatment Works
- Average flow
- 0.1 MGD
- Design flow
- —
- NPDES permit
- MTG581007
- Administratively continued
- Permit expires
- December 2022
- Population served
- 1,187
- CWNS 2022
Park City County Wastewater Treatment Facility is a publicly owned wastewater treatment works in Park City, Stillwater County, Montana treating an average of 0.1 million gallons per day, serving about 1,187 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit MTG581007 (administratively continued), which expires in December 2022, with 15 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Park City County Wastewater Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Park City County Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Montana
Laurel · 7 mi away
0.29 MGD
Joliet · 10 mi away
0.06 MGD
Columbus · 17 mi away
0.14 MGD
Bridger · 23 mi away
—
Billings · 24 mi away
20.31 MGD
Red Lodge · 33 mi away
0.57 MGD
Lavina · 46 mi away
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Big Timber · 52 mi away
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Park City County Wastewater Treatment Facility: 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 November 6, 2025.