GRAIN PROCESSING CORPORATION

NPDES permit IA0003441 · Major NON-POTW · effective, expires 2027-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 84 forms filed late

Last period with anything received: 2026-08-31. Most often over: pH (1).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among IA permits in EPA's filings — check your permit).

Limits in force (103)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.1 SU all year
001pHDAILY MX <= 9 SU all year
001Chlorine, total residual30DA AVG <= .9691 mg/L all year
001Chlorine, total residualDAILY MX <= .9691 mg/L all year
001Chlorine, total residual30DA AVG <= 66.52 lb/d all year
001Chlorine, total residualDAILY MX <= 66.52 lb/d all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 N=0;Y=1 all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 N=0;Y=1 all year
002pHDAILY MN >= 6.1 SU all year
002pHDAILY MX <= 9 SU all year
002Chlorine, total residual30DA AVG <= .9691 mg/L all year
002Chlorine, total residualDAILY MX <= .9691 mg/L all year
002Chlorine, total residual30DA AVG <= 124.62 lb/d all year
002Chlorine, total residualDAILY MX <= 124.62 lb/d all year
003pHDAILY MN >= 6.1 SU all year
003pHDAILY MX <= 9 SU all year
003Chlorine, total residual30DA AVG <= .9691 mg/L all year
003Chlorine, total residualDAILY MX <= .9691 mg/L all year
003Chlorine, total residual30DA AVG <= 99.2 lb/d all year
003Chlorine, total residualDAILY MX <= 99.2 lb/d all year
004pHDAILY MN >= 6.1 SU all year
004pHDAILY MX <= 9 SU all year
004Chlorine, total residual30DA AVG <= .9691 mg/L all year
004Chlorine, total residualDAILY MX <= .9691 mg/L all year
004Chlorine, total residual30DA AVG <= 78.41 lb/d all year
004Chlorine, total residualDAILY MX <= 78.41 lb/d all year
005pHDAILY MN >= 6.1 SU all year
005pHDAILY MX <= 9 SU all year
005Chlorine, total residual30DA AVG <= .9691 mg/L all year
005Chlorine, total residualDAILY MX <= .9691 mg/L all year
005Chlorine, total residual30DA AVG <= 111.32 lb/d all year
005Chlorine, total residualDAILY MX <= 111.32 lb/d all year
006BOD, 5-day, 20 deg. C30DA AVG report only all year
006BOD, 5-day, 20 deg. CDAILY MX report only all year
006BOD, 5-day, 20 deg. C30DA AVG report only all year
006BOD, 5-day, 20 deg. CDAILY MX report only all year
006pHDAILY MN >= 6.1 SU all year
006pHDAILY MX <= 9 SU all year
006pH30DA AVG report only all year
006pHDAILY MX report only all year
006Solids, total suspended30DA AVG report only all year
006Solids, total suspendedDAILY MX report only all year
006Solids, total suspended30DA AVG report only all year
006Solids, total suspendedDAILY MX report only all year
006Nitrogen, total [as N]30DA AVG report only all year
006Nitrogen, total [as N]DAILY MX report only all year
006Nitrogen, total [as N]30DA AVG report only all year
006Nitrogen, total [as N]DAILY MX report only all year
006Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
006Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
006Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
006Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
006Phosphorus, total [as P]30DA AVG report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006Phosphorus, total [as P]30DA AVG report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006Chloride [as Cl]30DA AVG <= 768 mg/L all year
006Chloride [as Cl]DAILY MX <= 768 mg/L all year
006Chloride [as Cl]30DA AVG <= 65655 lb/d all year
006Chloride [as Cl]DAILY MX <= 65655 lb/d all year
006Chlorine, total residual30DA AVG <= .9691 mg/L all year
006Chlorine, total residualDAILY MX <= .9691 mg/L all year
006Chlorine, total residual30DA AVG <= 83.84 lb/d all year
006Chlorine, total residualDAILY MX <= 83.84 lb/d all year
006Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 N=0;Y=1 all year
006Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 N=0;Y=1 all year
SUMTemperature, water deg. fahrenheit30DA AVG <= 103 deg F Feb
SUMTemperature, water deg. fahrenheit30DA AVG <= 119.2 deg F Mar
SUMTemperature, water deg. fahrenheit30DA AVG <= 163.6 deg F Apr
SUMTemperature, water deg. fahrenheit30DA AVG <= 152.4 deg F Jun
SUMTemperature, water deg. fahrenheit30DA AVG <= 126 deg F Sep
SUMTemperature, water deg. fahrenheit30DA AVG <= 110.8 deg F Nov
SUMTemperature, water deg. fahrenheit30DA AVG <= 114.2 deg F Oct
SUMTemperature, water deg. fahrenheit30DA AVG <= 125.4 deg F Aug
SUMTemperature, water deg. fahrenheit30DA AVG <= 103 deg F Dec
SUMTemperature, water deg. fahrenheit30DA AVG <= 130.2 deg F Jul
SUMTemperature, water deg. fahrenheit30DA AVG <= 163.4 deg F May
SUMTemperature, water deg. fahrenheit30DA AVG <= 103 deg F Jan
SUMTemperature, water deg. fahrenheitDAILY MX <= 134.6 deg F Feb
SUMTemperature, water deg. fahrenheitDAILY MX <= 167.3 deg F Mar
SUMTemperature, water deg. fahrenheitDAILY MX <= 212 deg F Apr
SUMTemperature, water deg. fahrenheitDAILY MX <= 187.2 deg F Jun
SUMTemperature, water deg. fahrenheitDAILY MX <= 154 deg F Sep
SUMTemperature, water deg. fahrenheitDAILY MX <= 201.7 deg F Nov
SUMTemperature, water deg. fahrenheitDAILY MX <= 175.4 deg F Oct
SUMTemperature, water deg. fahrenheitDAILY MX <= 125.4 deg F Aug
SUMTemperature, water deg. fahrenheitDAILY MX <= 151.1 deg F Dec
SUMTemperature, water deg. fahrenheitDAILY MX <= 130.2 deg F Jul
SUMTemperature, water deg. fahrenheitDAILY MX <= 212 deg F May
SUMTemperature, water deg. fahrenheitDAILY MX <= 135.7 deg F Jan
SUMBOD, 5-day, 20 deg. C30DA AVG <= 22936 lb/d all year
SUMBOD, 5-day, 20 deg. CDAILY MX <= 50725 lb/d all year
SUMBOD, 5-day, 20 deg. C30DA AVG report only all year
SUMBOD, 5-day, 20 deg. CDAILY MX report only all year
SUMBOD, 5-day, 20 deg. C30DA AVG report only all year
SUMBOD, 5-day, 20 deg. CDAILY MX report only all year
SUMSolids, total suspended30DA AVG <= 16932 lb/d all year
SUMSolids, total suspendedDAILY MX <= 63248 lb/d all year
SUMSolids, total suspended30DA AVG report only all year
SUMSolids, total suspendedDAILY MX report only all year
SUMSolids, total suspended30DA AVG report only all year
SUMSolids, total suspendedDAILY MX report only all year
SUMTemperature, length of excursionDAILY MX <= 87.6 hr/12mo all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states