KNIGHTSTOWN WWTP
NPDES ID: IN0040177
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 5 single-event violations.
Violations
March 31, 2026
Solids, total suspended
176% over limit
Discharged 82.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
570% over limit
Discharged 301.7 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
349% over limit
Discharged 407.37419658 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1038% over limit
Discharged 1549.50198698 kg/d against a permitted limit of 136.19999886 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
0% over limit
Discharged 14.75499988 kg/d against a permitted limit of 136.19999886 kg/d (MX WK AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.967 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.2983 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 13.33 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.63744797 kg/d against a permitted limit of 77.17999935 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 12.3 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.7 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
E. coli, colony forming units [CFU]
0% over limit
Discharged 199 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4.40062196 kg/d against a permitted limit of 122.57999897 kg/d (MX WK AV)
DMR, Limited - Overdue
Flow, total
0% over limit
Discharged 0.30422632 MGD against a permitted limit of 0 MGD (MO TOTAL)
DMR, Monitor Only - Overdue
E. coli, colony forming units [CFU]
0% over limit
Discharged 76 MPN/100mL against a permitted limit of 125 MPN/100mL (MO GEO)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 13.69263988 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.3 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.041 mg/L against a permitted limit of 14.1 mg/L (MX WK AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.039 mg/L against a permitted limit of 9.4 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.04313 kg/d against a permitted limit of 28.60199976 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.04767 kg/d against a permitted limit of 42.67599964 kg/d (MX WK AV)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)