Wabasha WWTP
Wabasha, MN 55981 · Wabasha County · Publicly Owned Treatment Works
- Average flow
- 0.17 MGD
- Design flow
- 0.6 MGD
- NPDES permit
- MN0025143
- Administratively continued
- Permit expires
- August 2025
- Population served
- 2,990
- CWNS 2022
Wabasha WWTP is a publicly owned wastewater treatment works in Wabasha, Wabasha County, Minnesota treating an average of 0.17 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 2,990 residents. It discharges under NPDES permit MN0025143 (administratively continued), which expires in August 2025, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Wabasha WWTP.
Available with a free Klarifi account
See the full treatment train at Wabasha WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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 Wabasha WWTP.
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Nearby wastewater treatment plants in Minnesota
Kellogg · 4 mi away
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Lake City · 14 mi away
0.48 MGD
Plainview · 16 mi away
0.63 MGD
Zumbro Falls · 20 mi away
0.0065 MGD
Zumbro Falls · 21 mi away
—
Rollingstone Township · 21 mi away
—
Minnesota City · 22 mi away
0.01 MGD
Bellchester · 25 mi away
—
Wabasha 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 November 13, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms