ST. PAUL ESTATES
NPDES ID: LAG570456
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
BOD, carbonaceous [5 day, 20 C]
383% over limit
Discharged 72.5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1033% over limit
Discharged 170 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1140% over limit
Discharged 24.8 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
625% over limit
Discharged 72.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
520% over limit
Discharged 24.8 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
639% over limit
Discharged 170 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)