HAROLD E WILLIS W T P
NPDES ID: MAG640019
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
June 30, 2026
Solids, total suspended
834% over limit
Discharged 467 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
75% over limit
Discharged 0.66500003 mg/L against a permitted limit of 0.38000002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
106% over limit
Discharged 2.0180001 mg/L against a permitted limit of 0.97800005 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
346% over limit
Discharged 133.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
150% over limit
Discharged 0.05 mg/L against a permitted limit of 0.02 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Aluminum, total [as Al]
75% over limit
Discharged 1.71300008 mg/L against a permitted limit of 0.97800005 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (6 days ago)