KANSAS CITY (PLANT NO. 20) WWTP

NPDES ID: KS0080195

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: 17 effluent violations.

Violations

May 31, 2026

BOD, 5-day, 20 deg. C

293% over limit

Discharged 177 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

195% over limit

Discharged 24.2 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

189% over limit

Discharged 20.8 mg/L against a permitted limit of 7.2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

126% over limit

Discharged 67.75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

47% over limit

Discharged 66 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

16% over limit

Discharged 34.75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

E. coli

23% over limit

Discharged 321.26859 MPN/100mL against a permitted limit of 262 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

54% over limit

Discharged 40.97185618 kg/d against a permitted limit of 26.55899978 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

April 30, 2026

Solids, total suspended

188% over limit

Discharged 86.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

112% over limit

Discharged 24.8 mg/L against a permitted limit of 11.7 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

81% over limit

Discharged 54.25 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

57% over limit

Discharged 41.81249165 kg/d against a permitted limit of 26.55899978 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

102% over limit

Discharged 91 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

E. coli

58% over limit

Discharged 6867 MPN/100mL against a permitted limit of 4348 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

129% over limit

Discharged 103 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

E. coli

287% over limit

Discharged 1013.50374 MPN/100mL against a permitted limit of 262 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

110% over limit

Discharged 22.925 mg/L against a permitted limit of 10.9 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Nitrogen, ammonia total [as N]

227% over limit

Discharged 23.25 mg/L against a permitted limit of 7.1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

173% over limit

Discharged 123 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

241% over limit

Discharged 102.25 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, Total As P

52% over limit

Discharged 40.40617672 kg/d against a permitted limit of 26.55899978 kg/d (DPD AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

206% over limit

Discharged 91.75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

118% over limit

Discharged 25.5 mg/L against a permitted limit of 11.7 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

462% over limit

Discharged 253 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

283% over limit

Discharged 28.375 mg/L against a permitted limit of 7.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

368% over limit

Discharged 140.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

218% over limit

Discharged 95.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

238% over limit

Discharged 152 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

154% over limit

Discharged 29.7 mg/L against a permitted limit of 11.7 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

187% over limit

Discharged 129 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

440% over limit

Discharged 162 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

258% over limit

Discharged 161 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

956% over limit

Discharged 475 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

105% over limit

Discharged 15.15 mg/L against a permitted limit of 7.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

88% over limit

Discharged 22 mg/L against a permitted limit of 11.7 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

178% over limit

Discharged 83.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

13% over limit

Discharged 51 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

3% over limit

Discharged 31 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

51% over limit

Discharged 68 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

September 30, 2025

BOD, 5-day, 20 deg. C

98% over limit

Discharged 79 mg/L against a permitted limit of 40 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

5% over limit

Discharged 26.25 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Nitrogen, ammonia total [as N]

88% over limit

Discharged 6.57 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

253% over limit

Discharged 14.1 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2025

Solids, total suspended

218% over limit

Discharged 143 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

182% over limit

Discharged 127 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

93% over limit

Discharged 57.75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

101% over limit

Discharged 60.25 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

BOD, 5-day, 20 deg. C

9% over limit

Discharged 49 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

January 31, 2025

Solids, total suspended

20% over limit

Discharged 54 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

44% over limit

Discharged 65 mg/L against a permitted limit of 45 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

July 31, 2024

Nitrogen, ammonia total [as N]

13% over limit

Discharged 4.52 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (25 days ago)