NPDES ID: IN0025208
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, 7 single-event violations.
Violations
May 31, 2026
BOD, carbonaceous [5 day, 20 C]
282% over limit
Discharged 95.5 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
340% over limit
Discharged 176 mg/L against a permitted limit of 40 mg/L (MX WK AV)
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
Nitrogen, ammonia total [as N]
37% over limit
Discharged 16.425 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
8% over limit
Discharged 19.4 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli, colony forming units [CFU]
453% over limit
Discharged 1300 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
51% over limit
Discharged 9.81093992 kg/d against a permitted limit of 6.49219995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
18% over limit
Discharged 6.78275994 kg/d against a permitted limit of 5.76579995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
46% over limit
Discharged 6.27881995 kg/d against a permitted limit of 4.31299996 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
15% over limit
Discharged 2.96915998 kg/d against a permitted limit of 2.58779998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 48 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
38% over limit
Discharged 4.96013156 kg/d against a permitted limit of 3.58659997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3% over limit
Discharged 12.36 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 30.75 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
42% over limit
Discharged 2.45159998 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
36% over limit
Discharged 16.35 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 48 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
20% over limit
Discharged 14.36 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
3% over limit
Discharged 18.5 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 17.65 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, carbonaceous [5 day, 20 C]
26% over limit
Discharged 7.26399994 kg/d against a permitted limit of 5.76579995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
317% over limit
Discharged 980 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
7% over limit
Discharged 2.77847998 kg/d against a permitted limit of 2.58779998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
49% over limit
Discharged 9.65203992 kg/d against a permitted limit of 6.49219995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
233% over limit
Discharged 150 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
34% over limit
Discharged 40.25 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
47% over limit
Discharged 345 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli, colony forming units [CFU]
146% over limit
Discharged 579 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
64% over limit
Discharged 19.7 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
17% over limit
Discharged 6.73735994 kg/d against a permitted limit of 5.76579995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
43% over limit
Discharged 25.8 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
128% over limit
Discharged 57 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
345% over limit
Discharged 178 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, carbonaceous [5 day, 20 C]
85% over limit
Discharged 6.63293994 kg/d against a permitted limit of 3.58659997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
65% over limit
Discharged 41.25 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
203% over limit
Discharged 5.22553996 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
154% over limit
Discharged 14.65057988 kg/d against a permitted limit of 5.76579995 kg/d (MX WK AV)
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]
63% over limit
Discharged 65 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
199% over limit
Discharged 35.82 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 9.19803992 kg/d against a permitted limit of 6.49219995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
282% over limit
Discharged 9.87903992 kg/d against a permitted limit of 2.58779998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
223% over limit
Discharged 58.2 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli, colony forming units [CFU]
500% over limit
Discharged 750 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
78% over limit
Discharged 44.5 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
185% over limit
Discharged 51.3 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
216% over limit
Discharged 37.87 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 60 mg/L against a permitted limit of 40 mg/L (MX WK AV)
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
May 31, 2025
E. coli, colony forming units [CFU]
377% over limit
Discharged 1120 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
122% over limit
Discharged 40 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
138% over limit
Discharged 28.52 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, suspended percent removal
16% over limit
Discharged 82.6 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
31% over limit
Discharged 59 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
101% over limit
Discharged 36.1 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
123% over limit
Discharged 26.7 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
63% over limit
Discharged 65 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
453% over limit
Discharged 1300 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
85% over limit
Discharged 46.33 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
12% over limit
Discharged 33.6 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
129% over limit
Discharged 41.3 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
94% over limit
Discharged 23.23 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
7% over limit
Discharged 19.2 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
18% over limit
Discharged 53 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
52% over limit
Discharged 77.2 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
26% over limit
Discharged 15.15 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
203% over limit
Discharged 19.68543983 kg/d against a permitted limit of 6.49219995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
34% over limit
Discharged 2.31993998 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 45 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
41% over limit
Discharged 78.9 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
189% over limit
Discharged 130 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
152% over limit
Discharged 45.4 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
19% over limit
Discharged 3.09173997 kg/d against a permitted limit of 2.58779998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
132% over limit
Discharged 27.78 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
29% over limit
Discharged 5.57965995 kg/d against a permitted limit of 4.31299996 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, suspended percent removal
139% over limit
Discharged 64.2 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 56 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
322% over limit
Discharged 190 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
122% over limit
Discharged 14.39179988 kg/d against a permitted limit of 6.49219995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2024
Chlorine, total residual
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
32% over limit
Discharged 23.8 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.06 mg/L (MO AVG)
DMR, Limited - Overdue
September 30, 2024
Nitrogen, ammonia total [as N]
6% over limit
Discharged 19 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, carbonaceous [5 day, 20 C]
8% over limit
Discharged 43 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
347% over limit
Discharged 1050 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
147% over limit
Discharged 29.68 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
148% over limit
Discharged 44.6 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, ammonia total [as N]
132% over limit
Discharged 41.8 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
560% over limit
Discharged 1550 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
215% over limit
Discharged 37.75 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)