Town Of Columbus - Waste Water Treatment Facility
Columbus, MT · Stillwater County · Publicly Owned Treatment Works
- Average flow
- 0.14 MGD
- Design flow
- —
- NPDES permit
- MT0031801
- Effective
- Permit expires
- October 2028
- Population served
- 1,857
- CWNS 2022
Town Of Columbus - Waste Water Treatment Facility is a publicly owned wastewater treatment works in Columbus, Stillwater County, Montana treating an average of 0.14 million gallons per day, serving about 1,857 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit MT0031801 (effective), which expires in October 2028, with 24 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
- 24
- Effluent violations
- 24
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Town Of Columbus - Waste Water Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Town Of Columbus - Waste Water Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Montana
Joliet · 16 mi away
0.06 MGD
Park City · 17 mi away
0.1 MGD
Laurel · 23 mi away
0.29 MGD
Bridger · 28 mi away
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Red Lodge · 29 mi away
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Big Timber · 37 mi away
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Billings · 39 mi away
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Lavina · 48 mi away
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Town Of Columbus - Waste Water 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 7, 2025.