NOTOWN W F P - LEOMINSTER
NPDES ID: MAG640016
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: 11 effluent violations.
Violations
May 31, 2026
Aluminum, total [as Al]
31% over limit
Discharged 0.30600001 mg/L against a permitted limit of 0.23400001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
512% over limit
Discharged 0.0795 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
286% over limit
Discharged 0.085 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
264% over limit
Discharged 0.08 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
462% over limit
Discharged 0.073 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
92% over limit
Discharged 0.44900002 mg/L against a permitted limit of 0.23400001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
4% over limit
Discharged 0.44900002 mg/L against a permitted limit of 0.43000002 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
264% over limit
Discharged 0.08 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
18% over limit
Discharged 0.27700001 mg/L against a permitted limit of 0.23400001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
499% over limit
Discharged 0.0779 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Aluminum, total [as Al]
21% over limit
Discharged 0.28200001 mg/L against a permitted limit of 0.23400001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
458% over limit
Discharged 0.0725 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
264% over limit
Discharged 0.08 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Aluminum, total [as Al]
50% over limit
Discharged 0.35200002 mg/L against a permitted limit of 0.23400001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
264% over limit
Discharged 0.08 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
487% over limit
Discharged 0.0763 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
264% over limit
Discharged 0.08 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
492% over limit
Discharged 0.077 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)