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Grain Processing Corp. 2ND PLT

Wet Corn Milling, Washington, Indiana. NPDES permit IN0059641, in force until Feb 29, 2028. Last 12 months: over a limit 30 times (last May 2026), 4 required values missing, 4 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (17 values), outfall 002 form A monthly (11 values), outfall 101 form A monthly (10 values)
Renewal application due
Sep 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 12 required values missing, 3 of 36 reports late

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

All 30 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025101BOD, carbonaceous [5 day, 20 C], daily maximum2294 lb/d≤ 5 lb/d45780%
October 2025101BOD, carbonaceous [5 day, 20 C], monthly average1338 lb/d≤ 3.1 lb/d43061%
October 2025101E. coli, colony forming units [CFU], daily maximum2420 CFU/100mL≤ 235 CFU/100mL930%
October 2025101E. coli, colony forming units [CFU], daily maximum2420 CFU/100mL≤ 235 CFU/100mL930%
October 2025101Solids, total suspended, daily maximum92 lb/d≤ 5.6 lb/d1543%
October 2025101Solids, total suspended, monthly average78.5 lb/d≤ 3.8 lb/d1966%
October 2025101pH, daily minimum5 SU≥ 6 SU—
November 2025001BOD, carbonaceous [5 day, 20 C], daily maximum30091 lb/d≤ 3672 lb/d719%
November 2025001BOD, carbonaceous [5 day, 20 C], monthly average1585 lb/d≤ 1511 lb/d5%
November 2025001Solids, total suspended, daily maximum123216 lb/d≤ 4406 lb/d2697%
November 2025001Solids, total suspended, monthly average6021 lb/d≤ 1813 lb/d232%
November 2025001Zinc, total recoverable, daily maximum1.8 mg/L≤ .52 mg/L246%
November 2025002Zinc, total recoverable, monthly average.22 mg/L≤ .21 mg/L5%
November 2025101BOD, carbonaceous [5 day, 20 C], daily maximum10.02 lb/d≤ 5 lb/d100%
November 2025101BOD, carbonaceous [5 day, 20 C], monthly average5.87 lb/d≤ 3.1 lb/d89%
November 2025101Solids, total suspended, daily maximum47.94 lb/d≤ 5.6 lb/d756%
November 2025101Solids, total suspended, monthly average24.27 lb/d≤ 3.8 lb/d539%
December 2025101BOD, carbonaceous [5 day, 20 C], daily maximum178.9 lb/d≤ 5 lb/d3478%
December 2025101BOD, carbonaceous [5 day, 20 C], monthly average89.5 lb/d≤ 3.1 lb/d2787%
January 2026101BOD, carbonaceous [5 day, 20 C], daily maximum20.36 lb/d≤ 5 lb/d307%
January 2026101BOD, carbonaceous [5 day, 20 C], monthly average13.66 lb/d≤ 3.1 lb/d341%
March 2026101BOD, carbonaceous [5 day, 20 C], monthly average3.67 lb/d≤ 3.1 lb/d18%
March 2026101Solids, total suspended, daily maximum6.27 lb/d≤ 5.6 lb/d12%
March 2026101Solids, total suspended, monthly average4.74 lb/d≤ 3.8 lb/d25%
April 2026101BOD, carbonaceous [5 day, 20 C], daily maximum76.08 lb/d≤ 5 lb/d1422%
April 2026101BOD, carbonaceous [5 day, 20 C], monthly average74.82 lb/d≤ 3.1 lb/d2314%
April 2026101E. coli, colony forming units [CFU], daily maximum2420 CFU/100mL≤ 235 CFU/100mL930%
April 2026101Solids, total suspended, daily maximum12.87 lb/d≤ 5.6 lb/d130%
April 2026101Solids, total suspended, monthly average7.27 lb/d≤ 3.8 lb/d91%
May 2026101E. coli, colony forming units [CFU], daily maximum479 CFU/100mL≤ 235 CFU/100mL104%

Limits in force (70)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Apr, Nov001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Mar001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Oct001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Dec001
Temperature, water deg. fahrenheitdaily maximum≤ 73 deg FApr, Nov001
Temperature, water deg. fahrenheitdaily maximum≤ 53 deg FJan, Feb001
Temperature, water deg. fahrenheitdaily maximum≤ 63 deg FMar001
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg FMay001
Temperature, water deg. fahrenheitdaily maximum≤ 93 deg FJun–Sep001
Temperature, water deg. fahrenheitdaily maximum≤ 81 deg FOct001
Temperature, water deg. fahrenheitdaily maximum≤ 60 deg FDec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 1813 lb/dall year001
Solids, total suspendeddaily maximum≤ 4406 lb/dall year001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year001
Zinc, total recoverablemonthly average≤ .26 mg/Lall year001
Zinc, total recoverabledaily maximum≤ .52 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average< .06 mg/Lall year001
Chlorine, total residualdaily maximum< .06 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1511 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 3672 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Apr, Nov002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Mar002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Oct002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Dec002
Temperature, water deg. fahrenheitdaily maximum≤ 73 deg FApr, Nov002
Temperature, water deg. fahrenheitdaily maximum≤ 63 deg FMar002
Temperature, water deg. fahrenheitdaily maximum≤ 53 deg FJan, Feb002
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg FMay002
Temperature, water deg. fahrenheitdaily maximum≤ 93 deg FJun–Sep002
Temperature, water deg. fahrenheitdaily maximum≤ 81 deg FOct002
Temperature, water deg. fahrenheitdaily maximum≤ 60 deg FDec002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year002
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year002
Zinc, total recoverablemonthly average≤ .21 mg/Lall year002
Zinc, total recoverabledaily maximum≤ .43 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, totalmonthly totalreport only (Mgal/mo)all year002
pHdaily minimum≥ 6 SUall year101
pHdaily maximum≤ 9 SUall year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101
Solids, total suspendeddaily maximumreport only (mg/L)all year101
Solids, total suspendedmonthly average≤ 3.8 lb/dall year101
Solids, total suspendedmonthly average≤ 3.8 lb/dall year101
Solids, total suspendeddaily maximum≤ 5.6 lb/dall year101
Solids, total suspendeddaily maximum≤ 5.6 lb/dall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct101
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct101
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year101
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.1 lb/dall year101
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.1 lb/dall year101
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 lb/dall year101
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 lb/dall year101

How strict are these limits?

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

Same industry: the 50 Food and Kindred Products permits in Indiana.

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