PRAIRIE UTILITIES KOKOMO WWTP
NPDES ID: IN0041866
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 7 effluent violations.
Violations
May 31, 2026
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
April 30, 2026
Solids, total suspended
470% over limit
Discharged 21.48781982 kg/d against a permitted limit of 3.76819997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
107% over limit
Discharged 5.17559996 kg/d against a permitted limit of 2.49699998 kg/d (MO AVG)
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]
74% over limit
Discharged 5.46615995 kg/d against a permitted limit of 3.13259997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
26% over limit
Discharged 22.65 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
11% over limit
Discharged 4.18860396 kg/d against a permitted limit of 3.76819997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
216% over limit
Discharged 56.8 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
157% over limit
Discharged 6.16 mg/L against a permitted limit of 2.4 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
36% over limit
Discharged 16.3 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 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
August 31, 2025
Chlorine, total residual
0% over limit
Discharged 0.06 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
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
July 31, 2025
Chlorine, total residual
100% over limit
Discharged 0.12 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
54% over limit
Discharged 0.23 mg/L against a permitted limit of 0.5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli, colony forming units [CFU]
229% over limit
Discharged 772 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
49% over limit
Discharged 4.65349996 kg/d against a permitted limit of 3.13259997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 2.30541198 kg/d against a permitted limit of 2.08839998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
36% over limit
Discharged 5.13473996 kg/d against a permitted limit of 3.76819997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli, colony forming units [CFU]
47% over limit
Discharged 346 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
131% over limit
Discharged 8.71225993 kg/d against a permitted limit of 3.76819997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1% over limit
Discharged 1.622 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
45% over limit
Discharged 26.15 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
16% over limit
Discharged 0.367286 kg/d against a permitted limit of 0.3178 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
108% over limit
Discharged 1.04079499 kg/d against a permitted limit of 0.4994 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
67% over limit
Discharged 4.01 mg/L against a permitted limit of 2.4 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
1% over limit
Discharged 18.25 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
31% over limit
Discharged 4.93951996 kg/d against a permitted limit of 3.76819997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)