Stevensville Waste Water Treatment Plant
Stevensville, MT 59870 · Ravalli County · Publicly Owned Treatment Works
- Average flow
- 0.47 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- MT0022713
- Administratively continued
- Permit expires
- May 2024
- Population served
- 1,983
- CWNS 2022
Stevensville Waste Water Treatment Plant is a publicly owned wastewater treatment works in Stevensville, Ravalli County, Montana treating an average of 0.47 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 1,983 residents. It discharges under NPDES permit MT0022713 (administratively continued), which expires in May 2024, with 5 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Stevensville Waste Water Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Stevensville Waste Water Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Stevensville Waste Water Treatment Plant, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Stevensville Waste Water Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Montana
Hamilton · 18 mi away
0.67 MGD
Missoula · 26 mi away
9.3 MGD
Darby · 34 mi away
0.05 MGD
Alberton · 39 mi away
0.04 MGD
Philipsburg · 39 mi away
0.1 MGD
Drummond · 45 mi away
0.13 MGD
St. Ignatius · 56 mi away
0.02 MGD
Superior · 61 mi away
0.05 MGD
Stevensville Waste Water Treatment Plant: 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 October 26, 2026; facility record last updated February 10, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms