MIBA BEARINGS US LLC
NPDES ID: OH0048372
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Lead, total recoverable
40% over limit
Discharged 0.60000003 mg/L against a permitted limit of 0.43000002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH range excursions, > 60 minutes
Limit violation
Discharged 1 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
pH range excursions, > 60 minutes
Limit violation
Discharged 1 occur/d against a permitted limit of 0 occur/d (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
E. coli, MTEC-MF
2202% over limit
Discharged 2900 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
921% over limit
Discharged 2900 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
April 30, 2025
Lead, total recoverable
36% over limit
Discharged 0.58600003 mg/L against a permitted limit of 0.43000002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Cyanide, free available
0% over limit
Discharged 0 mg/L against a permitted limit of 0.092 mg/L (DAILY MX)
DMR, Limited - Overdue
December 31, 2024
BOD, carbonaceous [5 day, 20 C]
35% over limit
Discharged 0.92 kg/d against a permitted limit of 0.682 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Lead, total recoverable
22% over limit
Discharged 0.52300002 mg/L against a permitted limit of 0.43000002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli, MTEC-MF
2224% over limit
Discharged 6600 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)