PCA-FILER CITY MILL
NPDES ID: MI0001171
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 1 effluent violation.
Violations
April 30, 2026
Zinc, total [as Zn]
440% over limit
Discharged 0.054 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Zinc, total [as Zn]
40% over limit
Discharged 0.014 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Zinc, total [as Zn]
76% over limit
Discharged 0.0176 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Zinc, total [as Zn]
40% over limit
Discharged 0.014 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Zinc, total [as Zn]
452% over limit
Discharged 0.0552 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Zinc, total [as Zn]
11% over limit
Discharged 0.0111 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)