IMI OHIO LLC-MILFORD
NPDES ID: OH0151634
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
May 31, 2026
Solids, total suspended
12% over limit
Discharged 56 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
480% over limit
Discharged 290 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
230% over limit
Discharged 165 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
46% over limit
Discharged 73 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
90% over limit
Discharged 95 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH, maximum
0% over limit
Discharged 9.85 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
440% over limit
Discharged 270 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH, maximum
0% over limit
Discharged 9.81 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
34% over limit
Discharged 67 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH, maximum
0% over limit
Discharged 10.45 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
98% over limit
Discharged 99 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
pH, maximum
0% over limit
Discharged 9.38 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH, maximum
0% over limit
Discharged 9.81 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
pH, maximum
0% over limit
Discharged 10.14 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
pH, maximum
0% over limit
Discharged 9.64 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
pH, maximum
0% over limit
Discharged 9.12 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 50 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Overdue
pH, minimum
0% over limit
Discharged 8.42 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
pH, maximum
0% over limit
Discharged 8.42 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 40 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH, maximum
0% over limit
Discharged 8.94 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.032 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH, minimum
0% over limit
Discharged 8.94 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0.032 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 40 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)