Mabel WWTP
Highway 44, Mabel, MN 55954 · Fillmore County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.19 MGD
- NPDES permit
- MN0020877
- Administratively continued
- Permit expires
- May 2024
- Population served
- 716
- CWNS 2022
Mabel WWTP is a publicly owned wastewater treatment works in Mabel, Fillmore County, Minnesota treating an average of 0.05 million gallons per day against a permitted design capacity of 0.19 MGD, serving about 716 residents. It discharges under NPDES permit MN0020877 (administratively continued), which expires in May 2024, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Mabel WWTP.
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 Mabel WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Minnesota
Spring Grove · 6 mi away
0.23 MGD
Harmony · 12 mi away
0.06 MGD
Caledonia · 15 mi away
0.19 MGD
Eitzen · 16 mi away
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Peterson · 19 mi away
0.02 MGD
Preston · 19 mi away
0.37 MGD
Houston · 19 mi away
0.06 MGD
Rushford · 19 mi away
0.11 MGD
Mabel 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 October 26, 2026; facility record last updated September 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms