DETREX CORPORATION, CHEMICALS DIVISION
NPDES ID: OH0001872
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
February 28, 2026
BOD, carbonaceous [5 day, 20 C]
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
33% over limit
Discharged 17.3 mg/L against a permitted limit of 13 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
333% over limit
Discharged 17.3 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Mercury, total low level
30% over limit
Discharged 0.00000402 mg/L against a permitted limit of 0.0000031 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total low level
54% over limit
Discharged 0.0000108 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Oil and grease, hexane extr method
33% over limit
Discharged 11 kg/d against a permitted limit of 8.3 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil and grease, hexane extr method
23% over limit
Discharged 5.1 kg/d against a permitted limit of 4.15 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Mercury, total low level
20% over limit
Discharged 0.00000372 mg/L against a permitted limit of 0.0000031 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total low level
49% over limit
Discharged 0.0000104 kg/d against a permitted limit of 0.000007 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Chlorine, total residual
1054% over limit
Discharged 0.45 kg/d against a permitted limit of 0.039 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
291% over limit
Discharged 0.043 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
378% over limit
Discharged 0.11 kg/d against a permitted limit of 0.023 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
795% over limit
Discharged 0.17 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
trans-1,2-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Vinyl chloride
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
cis-1,2-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
1,1,1,2-Tetrachloroethane
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Hexachlorobenzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Hexachloroethane
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Vinyl chloride
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lagoon freeboard
0% over limit
Discharged 0 m against a permitted limit of 0 m (MO AVG)
DMR, Monitor Only - Overdue
cis-1,2-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Lagoon freeboard
0% over limit
Discharged 0 m against a permitted limit of 0 m (DAILY MX)
DMR, Monitor Only - Overdue
Hexachlorobutadiene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Hexachlorobutadiene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hexachlorobenzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
1,1,1,2-Tetrachloroethane
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hexachloroethane
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
May 31, 2025
Chlorine, total residual
464% over limit
Discharged 0.22 kg/d against a permitted limit of 0.039 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
143% over limit
Discharged 0.056 kg/d against a permitted limit of 0.023 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
321% over limit
Discharged 0.08 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Chlorine, total residual
465% over limit
Discharged 0.13 kg/d against a permitted limit of 0.023 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
823% over limit
Discharged 0.36 kg/d against a permitted limit of 0.039 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
382% over limit
Discharged 0.053 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
637% over limit
Discharged 0.14 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, ammonia total [as N]
7% over limit
Discharged 0.0161 kg/d against a permitted limit of 0.015 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli, MTEC-MF
396% over limit
Discharged 1410 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
July 13, 2026 (23 days ago)