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CHS Inc of Minnesota - Myrtle Grove Terminal

Grain And Field Beans, Belle Chasse, Louisiana. NPDES permit LA0101524, in force until Apr 10, 2030. Last 12 months: over a limit 5 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly, outfall 002 form A quarterly, outfall 002 form Q quarterly, outfall 003 form S twice a year, outfall 101 form S twice a year, outfall 102 form Q quarterly, and 1 more form
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, monthly average33 mg/L≤ 30 mg/L10%
June 2026BOD, 5-day, 20 deg. C, daily maximum77 mg/L≤ 45 mg/L71%
June 2026BOD, 5-day, 20 deg. C, monthly average77 mg/L≤ 30 mg/L157%
June 2026Solids, total suspended, daily maximum101 mg/L≤ 45 mg/L124%
June 2026Solids, total suspended, monthly average101 mg/L≤ 30 mg/L237%

Limits in force (54)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year001
pHinstantaneous minimum≥ 6.5 SUall year002
pHinstantaneous minimum≥ 6.5 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year002
Chlorine, total residualdaily maximum≤ .2 mg/Lall year002
Chlorine, total residualdaily maximum≤ .2 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year003
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendeddaily maximum≤ 45 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year003
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year003
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year003
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year101
Solids, total suspendeddaily maximum≤ 45 mg/Lall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year101
Enterococcimonthly geometric mean≤ 35 #/100mLall year101
Enterococcidaily maximum≤ 135 #/100mLall year101
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year101
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year101
Oxygen demand, chem. [high level] [COD]monthly average≤ 200 mg/Lall year102
Oxygen demand, chem. [high level] [COD]daily maximum≤ 300 mg/Lall year102
Solids, total suspendeddaily maximum≤ 45 mg/Lall year102
Oil & Greasedaily maximum≤ 15 mg/Lall year102
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year102
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year201
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year201
Solids, total suspendedmonthly average≤ 30 mg/Lall year201
Solids, total suspendeddaily maximum≤ 45 mg/Lall year201
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year201
Enterococcimonthly geometric mean≤ 35 #/100mLall year201
Enterococcidaily maximum≤ 135 #/100mLall year201
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year201
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year201

How strict are these limits?

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

Same industry: the 68 Wholesale Trade — Nondurable Goods permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0101524 · MCP: https://passage-data.com/mcp