NPDES ID: IN0053759
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: 13 effluent violations, 3 single-event violations.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
61% over limit
Discharged 3.05 mg/L against a permitted limit of 1.9 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
22% over limit
Discharged 4.7 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
23% over limit
Discharged 1.6 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, ammonia total [as N]
46% over limit
Discharged 1.9 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
29% over limit
Discharged 4.44919996 kg/d against a permitted limit of 3.45039997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 3.8 mg/L against a permitted limit of 1.9 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
32% over limit
Discharged 2.5 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
243% over limit
Discharged 9.6 mg/L against a permitted limit of 2.8 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
500% over limit
Discharged 0.36 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
57% over limit
Discharged 7.99039993 kg/d against a permitted limit of 5.08479996 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
21% over limit
Discharged 151 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
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
Chlorine, total residual
83% over limit
Discharged 0.11 mg/L against a permitted limit of 0.06 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
39% over limit
Discharged 3.9 mg/L against a permitted limit of 2.8 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
34% over limit
Discharged 6.80999994 kg/d against a permitted limit of 5.08479996 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
29% over limit
Discharged 3.6 mg/L against a permitted limit of 2.8 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
5% over limit
Discharged 2 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
21% over limit
Discharged 3.4 mg/L against a permitted limit of 2.8 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
96% over limit
Discharged 0.02 mg/L against a permitted limit of 0.5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
283% over limit
Discharged 0.23 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
109% over limit
Discharged 7.21405994 kg/d against a permitted limit of 3.45039997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
96% over limit
Discharged 0.02 mg/L against a permitted limit of 0.5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 45 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
177% over limit
Discharged 3.6 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
30% over limit
Discharged 46.8 mg/L against a permitted limit of 36 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
167% over limit
Discharged 0.16 mg/L against a permitted limit of 0.06 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
29% over limit
Discharged 3.04179997 kg/d against a permitted limit of 2.36079998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
347% over limit
Discharged 8.5 mg/L against a permitted limit of 1.9 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
883% over limit
Discharged 0.59 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
28% over limit
Discharged 4.3 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
August 31, 2025
Chlorine, total residual
17% over limit
Discharged 0.07 mg/L against a permitted limit of 0.06 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
46% over limit
Discharged 183 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
26794% over limit
Discharged 63200 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 39.7 mg/L against a permitted limit of 36 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
31% over limit
Discharged 1.7 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
26% over limit
Discharged 2.4 mg/L against a permitted limit of 1.9 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
850% over limit
Discharged 0.57 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Chlorine, total residual
3% over limit
Discharged 0.062 mg/L against a permitted limit of 0.06 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2% over limit
Discharged 3.53647837 kg/d against a permitted limit of 3.45039997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
84% over limit
Discharged 3.5 mg/L against a permitted limit of 1.9 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
183% over limit
Discharged 0.17 mg/L against a permitted limit of 0.06 mg/L (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
Nitrogen, ammonia total [as N]
39% over limit
Discharged 1.8021 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
76% over limit
Discharged 0.12 mg/L against a permitted limit of 0.5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
June 30, 2025
Chlorine, total residual
12% over limit
Discharged 0.44 mg/L against a permitted limit of 0.5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
95% over limit
Discharged 0.117 mg/L against a permitted limit of 0.06 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
10% over limit
Discharged 1.4283 mg/L against a permitted limit of 1.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2633% over limit
Discharged 1.64 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2% over limit
Discharged 1.94 mg/L against a permitted limit of 1.9 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
3% over limit
Discharged 37.2 mg/L against a permitted limit of 36 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
100% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Solids, total suspended
24% over limit
Discharged 29.7 mg/L against a permitted limit of 24 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
483% over limit
Discharged 0.35 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
21% over limit
Discharged 3.4 mg/L against a permitted limit of 2.8 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
17% over limit
Discharged 0.07 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
11% over limit
Discharged 5.64866795 kg/d against a permitted limit of 5.08479996 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
330% over limit
Discharged 1011.2 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
70% over limit
Discharged 0.15 mg/L against a permitted limit of 0.5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
57% over limit
Discharged 70.667 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 33.4 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
E. coli, colony forming units [CFU]
174% over limit
Discharged 642.8 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (8 minutes ago)