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Industrial Organic Chemicals, Winthrop, Minnesota. NPDES permit MN0062561, in force until May 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | monthly average | report only (umho/cm) | all year | D002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | D002 |
| Solids, total suspended | daily maximum | ≤ 52 mg/L | all year | D002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D002 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D002 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D002 |
| Ethanol | monthly maximum | report only (ug/L) | all year | D002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | D002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 43 mg/L | all year | D002 |
| Duration of discharge | monthly total | report only (d/mo) | all year | D002 |
| Specific conductance | monthly maximum | report only (umho/cm) | all year | D003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D003 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | D003 |
| Solids, total suspended | daily maximum | ≤ 44 mg/L | all year | D003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D003 |
| Organics, gasoline range | monthly maximum | report only (ug/L) | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D003 |
| Ethanol | monthly maximum | report only (ug/L) | all year | D003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | D003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 37 mg/L | all year | D003 |
| Duration of discharge | monthly total | report only (d/mo) | all year | D003 |
| Specific conductance | monthly maximum | report only (umho/cm) | all year | D004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D004 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | D004 |
| Solids, total suspended | daily maximum | ≤ 44 mg/L | all year | D004 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D004 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D004 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D004 |
| Ethanol | monthly maximum | report only (ug/L) | all year | D004 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | D004 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 37 mg/L | all year | D004 |
| Duration of discharge | monthly total | report only (d/mo) | all year | D004 |
| Specific conductance | monthly average | report only (umho/cm) | all year | D010 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D010 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D010 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | D010 |
| Solids, total suspended | daily maximum | ≤ 52 mg/L | all year | D010 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D010 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D010 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D010 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D010 |
| Ethanol | monthly maximum | report only (ug/L) | all year | D010 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | D010 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 43 mg/L | all year | D010 |
| Duration of discharge | monthly total | report only (d/mo) | all year | D010 |
Cited limits by parameter: Minnesota's rules and the federal ones.
Same industry: the 15 Chemicals and Allied Products permits in Minnesota.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MN0062561 · MCP: https://passage-data.com/mcp