Hanley Falls WWTP
County Road 18 & Township Rd, Hanley Falls, MN 56245 · Yellow Medicine County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.03 MGD
- NPDES permit
- MNG585122
- Effective
- Permit expires
- November 2028
- Population served
- —
- CWNS 2022
Hanley Falls WWTP is a publicly owned wastewater treatment works in Hanley Falls, Yellow Medicine County, Minnesota. It discharges under NPDES permit MNG585122 (effective), which expires in November 2028, with 14 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Hanley Falls WWTP.
Available with a free Klarifi account
See the full treatment train at Hanley Falls WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 14
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Hanley Falls WWTP.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Minnesota
Wood Lake Township · 5 mi away
—
Cottonwood · 6 mi away
—
Granite Falls · 9 mi away
0.34 MGD
Echo · 10 mi away
—
Clarkfield · 12 mi away
0.91 MGD
Sacred Heart · 14 mi away
0.05 MGD
Vesta · 16 mi away
—
Belview · 16 mi away
—
Hanley Falls 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 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms