MT. STORM SUBSTATION
NPDES ID: WVG980099
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 1 effluent violation, 4 reporting violations.
Violations
June 30, 2026
Chloride [as Cl]
159% over limit
Discharged 946 mg/L against a permitted limit of 365 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
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
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2025
Chloride [as Cl]
264% over limit
Discharged 1330 mg/L against a permitted limit of 365 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Iron, total recoverable
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
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
June 30, 2025
Chloride [as Cl]
360% over limit
Discharged 1680 mg/L against a permitted limit of 365 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cyanide, total [as CN]
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
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2024
Chloride [as Cl]
25% over limit
Discharged 458 mg/L against a permitted limit of 365 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 62 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)