CHISHOLM CREEK UTILITY AUTHORITY (CCUA) (WWTP)

NPDES ID: KS0089176

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: 12 effluent violations.

Violations

May 31, 2026

Solids, total suspended

134% over limit

Discharged 82 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

164% over limit

Discharged 52.75 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

14% over limit

Discharged 1.135 mg/L against a permitted limit of 1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

34% over limit

Discharged 10.95397571 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

April 30, 2026

BOD, 5-day, 20 deg. C

4% over limit

Discharged 20.82 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

203% over limit

Discharged 60.6 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

343% over limit

Discharged 155 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

E. coli

20% over limit

Discharged 2841.36464 MPN/100mL against a permitted limit of 2358 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

36% over limit

Discharged 11.14217687 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

0% over limit

Discharged 6.13 mg/L against a permitted limit of 6.1 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

28% over limit

Discharged 44.9 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

80% over limit

Discharged 2.516 mg/L against a permitted limit of 1.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Phosphorus, Total As P

49% over limit

Discharged 12.17029164 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

4% over limit

Discharged 36.4 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

260% over limit

Discharged 126 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

201% over limit

Discharged 60.25 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

25% over limit

Discharged 24.925 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

1591% over limit

Discharged 592 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

786% over limit

Discharged 177.25 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

61% over limit

Discharged 13.16002071 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

113% over limit

Discharged 42.5 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

54% over limit

Discharged 12.55202391 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

100% over limit

Discharged 70 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

December 31, 2025

Phosphorus, Total As P

67% over limit

Discharged 13.62262401 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

775% over limit

Discharged 175 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

953% over limit

Discharged 368.5 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

28% over limit

Discharged 25.5 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

29% over limit

Discharged 45 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

71% over limit

Discharged 14.01243294 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

381% over limit

Discharged 168.5 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

90% over limit

Discharged 15.52153347 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

391% over limit

Discharged 98.25 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

17% over limit

Discharged 41 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

110% over limit

Discharged 17.19712488 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

37% over limit

Discharged 27.4 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

Solids, total suspended

713% over limit

Discharged 162.6 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

150% over limit

Discharged 20.40858465 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

139% over limit

Discharged 47.8 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

869% over limit

Discharged 339 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

172% over limit

Discharged 95.3 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

July 31, 2025

Solids, total suspended

55% over limit

Discharged 30.98 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

77% over limit

Discharged 62 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

187% over limit

Discharged 23.48497942 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

21% over limit

Discharged 0.966 mg/L against a permitted limit of 0.8 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, Total As N

8% over limit

Discharged 88.2198083 kg/d against a permitted limit of 81.85619931 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

4% over limit

Discharged 20.86 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

6020% over limit

Discharged 1224.05 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

10414% over limit

Discharged 3680 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, Total As N

58% over limit

Discharged 129.63622127 kg/d against a permitted limit of 81.85619931 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

284% over limit

Discharged 11.9 mg/L against a permitted limit of 3.1 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

369% over limit

Discharged 38.34756822 kg/d against a permitted limit of 8.17199993 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

E. coli

661% over limit

Discharged 17947.8882 MPN/100mL against a permitted limit of 2358 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

552% over limit

Discharged 5.215 mg/L against a permitted limit of 0.8 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

1191% over limit

Discharged 258.125 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

1949% over limit

Discharged 717 mg/L against a permitted limit of 35 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

May 31, 2025

E. coli

27% over limit

Discharged 2999.54151 MPN/100mL against a permitted limit of 2358 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

4% over limit

Discharged 20.825 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

E. coli

37% over limit

Discharged 3221.11 MPN/100mL against a permitted limit of 2358 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

120% over limit

Discharged 66 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

262% over limit

Discharged 163 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

57% over limit

Discharged 62.6 mg/L against a permitted limit of 40 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

32% over limit

Discharged 11.9 mg/L against a permitted limit of 9 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

225% over limit

Discharged 6.5 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2025

BOD, 5-day, 20 deg. C

8% over limit

Discharged 48.5 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

123% over limit

Discharged 20.1 mg/L against a permitted limit of 9 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

31% over limit

Discharged 59.1 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

202% over limit

Discharged 6.9475 mg/L against a permitted limit of 2.3 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2024

IC25 Static Renewal 7 Day Chronic Chrpimephales

0% over limit

Discharged 0 % against a permitted limit of 77 % (DAILY MN)

DMR, Limited - Overdue

IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia

0% over limit

Discharged 0 % against a permitted limit of 77 % (DAILY MN)

DMR, Limited - Overdue

August 31, 2024

Nitrogen, ammonia total [as N]

6% over limit

Discharged 3.3 mg/L against a permitted limit of 3.1 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

21% over limit

Discharged 0.97 mg/L against a permitted limit of 0.8 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)