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ADM Corn Processing - Marshall

Farm-Product Raw Materials, major discharger, Marshall, Minnesota. NPDES permit MN0057037 expired Feb 29, 2016; its limits still apply. Last 12 months: over a limit once (last December 2025), 33 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall 391 form M monthly (16 values), outfall 391 form N monthly (5 values), outfall 710 form M monthly (4 values), outfall 710 form N monthly (1 value), outfall 730 form M monthly (6 values), outfall 730 form N monthly (1 value)
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 72 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
December 2025BOD, carbonaceous [5 day, 20 C], monthly average6≤ 5 mg/L20%

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily average≤ 86 deg Fall year391
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year391
Oxygen, dissolved [DO]monthly minimum≥ 7.5 mg/Lall year391
BOD, 5-day, 20 deg. Cmonthly average≤ 250 kg/dall year391
BOD, 5-day, 20 deg. Cmonthly average≤ 250 kg/dall year391
BOD, 5-day, 20 deg. Cdaily maximum≤ 500 kg/dall year391
BOD, 5-day, 20 deg. Cdaily maximum≤ 500 kg/dall year391
pHmonthly minimum≥ 6 SUall year391
pHmonthly maximum≤ 9 SUall year391
Solids, total suspendedmonthly average≤ 30 mg/Lall year391
Solids, total suspendeddaily maximum≤ 60 mg/Lall year391
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LOct, Nov391
Nitrogen, ammonia total [as N]monthly average≤ 8 mg/LJan, Feb, Mar, Dec391
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun–Sep391
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LApr, May391
Phosphorus, total [as P]monthly averagereport only (mg/L)all year391
Chloride [as Cl]daily maximumreport only (mg/L)all year391
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year391
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all year391
Chlorine, total residualdaily maximum≤ .038 mg/Lall year391
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year391
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall year391
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 50 mg/Lall year391
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 10 mg/Lall year391
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)Jun–Sep710
Stream flow, instantaneousmonthly minimumreport only (cfs)all year710
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year710
Chloride [as Cl]4-day averagereport only (mg/L)all year710
Chloride [as Cl]monthly maximumreport only (mg/L)all year710
Temperature, water deg. fahrenheitdaily average≤ 86 deg FJun–Sep730
Temp. diff. between samp. & upstrm deg. Fmaximum daily average≤ 5 deg FJun–Sep730
Stream flow, instantaneousmonthly minimumreport only (cfs)all year730
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year730
Chloride [as Cl]4-day average≤ 230 mg/Lall year730
Chloride [as Cl]monthly maximumreport only (mg/L)all year730
Effluent dilution ratiomonthly minimumreport only (Ratio)all year730

How strict are these limits?

Cited limits by parameter: Minnesota's rules and the federal ones.

Same industry: the 3 Wholesale Trade — Nondurable Goods permits in Minnesota.

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Your permit document is the final word. As JSON: /api/v1/permits/MN0057037 · MCP: https://passage-data.com/mcp