Forsyth WWTP
Forsyth, MT · Rosebud County · Publicly Owned Treatment Works
- Average flow
- 0.19 MGD
- Design flow
- —
- NPDES permit
- MT0021288
- Administratively continued
- Permit expires
- January 2026
- Population served
- 1,948
- CWNS 2022
Forsyth WWTP is a publicly owned wastewater treatment works in Forsyth, Rosebud County, Montana treating an average of 0.19 million gallons per day, serving about 1,948 residents. It discharges under NPDES permit MT0021288 (administratively continued), which expires in January 2026, with 0 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
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Forsyth WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Montana
Miles City · 41 mi away
1.11 MGD
Lame Deer · 44 mi away
0.47 MGD
Crow Agency · 59 mi away
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Jordan · 73 mi away
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Lodge Grass · 73 mi away
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Terry · 75 mi away
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Broadus · 83 mi away
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Billings · 92 mi away
20.31 MGD
Forsyth WWTP: 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 13, 2025.