Sun Prairie Village WWTP
Great Falls, MT · Cascade County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.19 MGD
- NPDES permit
- MT0028665
- Administratively continued
- Permit expires
- December 2017
- Population served
- 1,535
- CWNS 2022
Sun Prairie Village WWTP is a publicly owned wastewater treatment works in Great Falls, Cascade County, Montana treating an average of 0.05 million gallons per day against a permitted design capacity of 0.19 MGD, serving about 1,535 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit MT0028665 (administratively continued), which expires in December 2017, with 21 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 21
- Effluent violations
- 19
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Sun Prairie Village WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Sun Prairie Village WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Montana
Vaughn · 3 mi away
0.03 MGD
Great Falls · 9 mi away
0.27 MGD
Great Falls · 9 mi away
—
Stockett · 19 mi away
—
Fairfield · 24 mi away
—
Belt · 28 mi away
—
Highwood · 32 mi away
—
Choteau · 37 mi away
0.25 MGD
Sun Prairie Village 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 November 7, 2025.