PRAIRIEVILLE PLAZA SHOPPING CE

NPDES ID: LAG541224

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

Violations

March 31, 2026

Solids, total suspended

274% over limit

Discharged 86 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

98% over limit

Discharged 7.9 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

1560% over limit

Discharged 166 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

473% over limit

Discharged 86 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

1007% over limit

Discharged 166 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

295% over limit

Discharged 7.9 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

BOD, carbonaceous [5 day, 20 C]

581% over limit

Discharged 68.1 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

354% over limit

Discharged 68.1 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

259% over limit

Discharged 82.5 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

88% over limit

Discharged 7.5 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Oil & Grease

31% over limit

Discharged 19.7 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

275% over limit

Discharged 7.5 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

450% over limit

Discharged 82.5 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

62% over limit

Discharged 37.2 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

18900% over limit

Discharged 38000 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

127% over limit

Discharged 34.1 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

9400% over limit

Discharged 38000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

154% over limit

Discharged 5.07 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

27% over limit

Discharged 5.07 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

241% over limit

Discharged 34.1 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

148% over limit

Discharged 37.2 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Coliform, fecal general

11900% over limit

Discharged 48000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

201% over limit

Discharged 69.2 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

361% over limit

Discharged 69.2 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

23900% over limit

Discharged 48000 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

81% over limit

Discharged 3.61 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

568% over limit

Discharged 66.8 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

345% over limit

Discharged 66.8 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

Nitrogen, ammonia total [as N]

5% over limit

Discharged 4.19 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

841% over limit

Discharged 94.05 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

110% over limit

Discharged 4.19 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

527% over limit

Discharged 94.05 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

118% over limit

Discharged 872 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

336% over limit

Discharged 872 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

49% over limit

Discharged 22.4 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

BOD, carbonaceous [5 day, 20 C]

40% over limit

Discharged 14 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

123% over limit

Discharged 51.4 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

243% over limit

Discharged 51.4 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

13% over limit

Discharged 2.25 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

20% over limit

Discharged 4 mg/L against a permitted limit of 5 mg/L (MO AV MN)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)