Foley WWTP
331 Oak Dr (Birch Pond), Foley, MN 56329 · Benton County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.37 MGD
- NPDES permit
- MN0023451
- Effective
- Permit expires
- January 2027
- Population served
- 2,894
- CWNS 2022
Foley WWTP is a publicly owned wastewater treatment works in Foley, Benton County, Minnesota, serving about 2,894 residents. It discharges under NPDES permit MN0023451 (effective), which expires in January 2027, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at Foley WWTP.
Available with a free Klarifi account
See the full treatment train at Foley WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Foley WWTP.
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Nearby wastewater treatment plants in Minnesota
Gilman · 6 mi away
—
Foreston · 12 mi away
—
Pease · 13 mi away
—
Milaca · 14 mi away
—
St. Cloud · 16 mi away
9.41 MGD
Rice · 17 mi away
—
Clear Lake · 18 mi away
0.19 MGD
Princeton · 18 mi away
0.43 MGD
Foley 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 9, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms