GRAIN PROCESSING CORP 2ND PLT
NPDES ID: IN0059641
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 6 effluent violations.
Violations
May 31, 2026
E. coli, colony forming units [CFU]
104% over limit
Discharged 479 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
1422% over limit
Discharged 34.54031971 kg/d against a permitted limit of 2.26999998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
930% over limit
Discharged 2420 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
91% over limit
Discharged 3.30057997 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
2314% over limit
Discharged 33.96827971 kg/d against a permitted limit of 1.40739999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
130% over limit
Discharged 5.84297995 kg/d against a permitted limit of 2.54239998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
25% over limit
Discharged 2.15195998 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
12% over limit
Discharged 2.84657998 kg/d against a permitted limit of 2.54239998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
18% over limit
Discharged 1.66617999 kg/d against a permitted limit of 1.40739999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 125.75799894 kg/d against a permitted limit of 1667.08798599 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
307% over limit
Discharged 9.24343992 kg/d against a permitted limit of 2.26999998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
341% over limit
Discharged 6.20163995 kg/d against a permitted limit of 1.40739999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 49.03199959 kg/d against a permitted limit of 685.99399424 kg/d (MO AVG)
DMR, Limited - Overdue
December 31, 2025
BOD, carbonaceous [5 day, 20 C]
3478% over limit
Discharged 81.22059932 kg/d against a permitted limit of 2.26999998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
2787% over limit
Discharged 40.63299966 kg/d against a permitted limit of 1.40739999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
539% over limit
Discharged 11.01857991 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
232% over limit
Discharged 2733.53397703 kg/d against a permitted limit of 823.10199308 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
756% over limit
Discharged 21.76475982 kg/d against a permitted limit of 2.54239998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
5% over limit
Discharged 719.58999395 kg/d against a permitted limit of 685.99399424 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2697% over limit
Discharged 55940.06352997 kg/d against a permitted limit of 2000.32398319 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
719% over limit
Discharged 13661.31388521 kg/d against a permitted limit of 1667.08798599 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total recoverable
246% over limit
Discharged 1.8 mg/L against a permitted limit of 0.52 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
89% over limit
Discharged 2.66497998 kg/d against a permitted limit of 1.40739999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
100% over limit
Discharged 4.54907996 kg/d against a permitted limit of 2.26999998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total recoverable
5% over limit
Discharged 0.22 mg/L against a permitted limit of 0.21 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
pH
0% over limit
Discharged 7.8 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Solids, total suspended
1543% over limit
Discharged 41.76799965 kg/d against a permitted limit of 2.54239998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
930% over limit
Discharged 2420 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
E. coli, colony forming units [CFU]
930% over limit
Discharged 2420 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1966% over limit
Discharged 35.6389997 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
45780% over limit
Discharged 1041.47599125 kg/d against a permitted limit of 2.26999998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
43061% over limit
Discharged 607.4519949 kg/d against a permitted limit of 1.40739999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
August 31, 2025
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
July 31, 2025
BOD, carbonaceous [5 day, 20 C]
22% over limit
Discharged 2.76939998 kg/d against a permitted limit of 2.26999998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
5% over limit
Discharged 1.47095999 kg/d against a permitted limit of 1.40739999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
37% over limit
Discharged 2.35625998 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
3% over limit
Discharged 2.62411998 kg/d against a permitted limit of 2.54239998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
930% over limit
Discharged 2420 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
August 31, 2024
BOD, carbonaceous [5 day, 20 C]
28% over limit
Discharged 2133.79998207 kg/d against a permitted limit of 1667.08798599 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
384% over limit
Discharged 9678.37191868 kg/d against a permitted limit of 2000.32398319 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)