KOONTZ MINE
NPDES ID: MDG859642
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
December 31, 2025
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (VALUE)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (DAILY MX)
DMR, Limited - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)