CLAFLIN, CITY OF (WWTP)
NPDES ID: KS0026441
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: 4 effluent violations.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
226% over limit
Discharged 9.12 mg/L against a permitted limit of 2.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
107% over limit
Discharged 9.12 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, ammonia total [as N]
139% over limit
Discharged 10.5 mg/L against a permitted limit of 4.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
46% over limit
Discharged 10.5 mg/L against a permitted limit of 7.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
57% over limit
Discharged 14 mg/L against a permitted limit of 8.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
12% over limit
Discharged 14 mg/L against a permitted limit of 12.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Chloride [as Cl]
0% over limit
Discharged 39.80221599 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 29.53 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 5.53 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 50.4 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 180 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.02014 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
56% over limit
Discharged 5.46 mg/L against a permitted limit of 3.5 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
56% over limit
Discharged 5.46 mg/L against a permitted limit of 3.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 10 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, Total As N
0% over limit
Discharged 33.905 mg/L against a permitted limit of 0 mg/L (DAILY AV)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 180 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 10 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 5.46 mg/L against a permitted limit of 5.5 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 6.47 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, Total As P
0% over limit
Discharged 0.66276281 kg/d against a permitted limit of 0 kg/d (DPD AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 6.06 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 4.22456076 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.93 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 360 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 8.68 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, Total As N
0% over limit
Discharged 4.06528395 kg/d against a permitted limit of 0 kg/d (DPD AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 6.06 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.93 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.61140633 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 9 MPN/100mL against a permitted limit of 3843 MPN/100mL (MO GEO)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 38.21 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, Total As P
0% over limit
Discharged 5.5275 mg/L against a permitted limit of 0 mg/L (DAILY AV)
DMR, Monitor Only - Overdue
August 31, 2025
Nitrogen, ammonia total [as N]
46% over limit
Discharged 3.64 mg/L against a permitted limit of 2.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
22% over limit
Discharged 2.8 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
160% over limit
Discharged 7.28 mg/L against a permitted limit of 2.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
65% over limit
Discharged 7.28 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
33% over limit
Discharged 11.8 mg/L against a permitted limit of 8.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, ammonia total [as N]
4% over limit
Discharged 9.24 mg/L against a permitted limit of 8.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
1% over limit
Discharged 2.52 mg/L against a permitted limit of 2.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (11 hours ago)