LYND WWTP
NPDES ID: MNG585030
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
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
52% over limit
Discharged 38 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 64.7 kg/d against a permitted limit of 58.2 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 50 mg/L against a permitted limit of 45 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 48.5 kg/d against a permitted limit of 32.3 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, carbonaceous [5 day, 20 C]
3% over limit
Discharged 41 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
64% over limit
Discharged 53.1 kg/d against a permitted limit of 32.3 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
64% over limit
Discharged 41 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (QRTR MAX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (QRTR AVG)
DMR, Monitor Only - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (QRTR AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 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 mg/L against a permitted limit of 0 mg/L (QRTR AVG)
DMR, Monitor Only - Overdue
August 31, 2025
Coliform, fecal MPN + membrane ftl 44.5 C
2% over limit
Discharged 204 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (22 days ago)