Cromwell-Combined Discharge 1
Highway 210, Cromwell, MN 55726 · Carlton County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.05 MGD
- NPDES permit
- MN0051101
- Administratively continued
- Permit expires
- February 2026
- Population served
- 271
- CWNS 2022
Cromwell-Combined Discharge 1 is a publicly owned wastewater treatment plant in Cromwell, Carlton County, Minnesota, serving about 271 residents. It discharges under NPDES permit MN0051101 (administratively continued), which expires in February 2026, with 21 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Cromwell-Combined Discharge 1.
Available with a free Klarifi account
See the full treatment train at Cromwell-Combined Discharge 1: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 21
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Cromwell-Combined Discharge 1.
No verified contacts on file yet
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Cromwell-Combined Discharge 1: 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 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms