CLEVELAND CLIFFS STEEL CORP FORMER HILLSIDE LDFL SITE
NPDES ID: PA0253308
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 20 reporting violations.
Violations
March 31, 2026
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Overdue
PCB-1242
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Overdue
Polychlorinated biphenyls [PCBs]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)
DMR, Limited - Overdue
Boron, total [as B]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
PCB-1016
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
PCB-1016
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Polychlorinated biphenyls [PCBs]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO AVG)
DMR, Limited - Overdue
Boron, total [as B]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
PCB-1242
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
August 31, 2024
Polychlorinated biphenyls [PCBs]
833233% over limit
Discharged 0.0005 mg/L against a permitted limit of 6e-8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Polychlorinated biphenyls [PCBs]
833233% over limit
Discharged 0.0005 mg/L against a permitted limit of 6e-8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (1 hour ago)