Harmony WWTP
Highway 139& County Road 44, Harmony, MN 55939 · Fillmore County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.19 MGD
- NPDES permit
- MN0022322
- Effective
- Permit expires
- September 2028
- Population served
- 1,043
- CWNS 2022
Harmony WWTP is a publicly owned wastewater treatment works in Harmony, Fillmore County, Minnesota treating an average of 0.06 million gallons per day against a permitted design capacity of 0.19 MGD, serving about 1,043 residents. It discharges under NPDES permit MN0022322 (effective), which expires in September 2028, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at Harmony WWTP.
Available with a free Klarifi account
See the full treatment train at Harmony WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- 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 Harmony WWTP.
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Nearby wastewater treatment plants in Minnesota
Preston · 10 mi away
0.37 MGD
Mabel · 12 mi away
0.05 MGD
Spring Grove · 18 mi away
0.23 MGD
Peterson · 19 mi away
0.02 MGD
Spring Valley · 21 mi away
0.41 MGD
Ostrander · 22 mi away
0.0074 MGD
Chatfield · 22 mi away
0.19 MGD
Rushford · 22 mi away
0.11 MGD
Harmony 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 August 7, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms