MACK BROTHERS
NPDES ID: NY0005622
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: 5 reporting violations.
Violations
April 30, 2026
Solids, total suspended
0% over limit
Discharged 42.37635964 kg/d against a permitted limit of 2816.616 kg/d (ANNL MAX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 18.02379985 kg/d against a permitted limit of 2809.352 kg/d (ANNL MAX)
DMR, Limited - Overdue
March 31, 2026
pH
0% over limit
Discharged 6.4 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 9.71559992 kg/d against a permitted limit of 10.89599991 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 14.96383987 kg/d against a permitted limit of 2809.352 kg/d (ANNL MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 37.10995969 kg/d against a permitted limit of 2816.616 kg/d (ANNL MAX)
DMR, Limited - Overdue
February 28, 2026
Solids, total suspended
151% over limit
Discharged 27.37619977 kg/d against a permitted limit of 10.89599991 kg/d (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.1 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
430% over limit
Discharged 57.70339952 kg/d against a permitted limit of 10.89599991 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, settleable
59900% over limit
Discharged 0.06 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
pH
0% over limit
Discharged 9 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
68% over limit
Discharged 18.29619985 kg/d against a permitted limit of 10.89599991 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
137% over limit
Discharged 35.6 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
54% over limit
Discharged 16.75259986 kg/d against a permitted limit of 10.89599991 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
23% over limit
Discharged 13.43839989 kg/d against a permitted limit of 10.89599991 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia, total [as NH3]
57% over limit
Discharged 11.8 mg/L against a permitted limit of 7.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, settleable
400% over limit
Discharged 0.0005 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia, total [as NH3]
25% over limit
Discharged 9.4 mg/L against a permitted limit of 7.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Solids, settleable
300% over limit
Discharged 0.0004 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)