ROCKVILLE MINING
NPDES ID: WV1029509
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 60 reporting violations.
Violations
January 31, 2026
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.42 mg/L (MO AVG)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MO MIN)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MO MIN)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.75 mg/L (MO MAX)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.42 mg/L (MO AVG)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.75 mg/L (MO MAX)
DMR, Limited - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.42 mg/L (MO AVG)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.75 mg/L (MO MAX)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.42 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.46 mg/L (MO MAX)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO MAX)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO MAX)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.46 mg/L (MO MAX)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MO MIN)
DMR, Limited - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.42 mg/L (MO AVG)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.46 mg/L (MO MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.46 mg/L (MO MAX)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MO MIN)
DMR, Limited - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.46 mg/L (MO MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Overdue
Aluminum, dissolved [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MIN)
DMR, Monitor Only - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO MAX)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.75 mg/L (MO MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MO MIN)
DMR, Limited - Overdue
December 31, 2025
Aluminum, total [as Al]
51% over limit
Discharged 0.65 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Aluminum, total [as Al]
87% over limit
Discharged 1.4 mg/L against a permitted limit of 0.75 mg/L (MO MAX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
226% over limit
Discharged 1.4 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Aluminum, total [as Al]
67% over limit
Discharged 0.72 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Aluminum, total [as Al]
35% over limit
Discharged 0.58 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Aluminum, total [as Al]
58% over limit
Discharged 0.68 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
5% over limit
Discharged 0.45 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
19% over limit
Discharged 0.51 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
16% over limit
Discharged 0.5 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Aluminum, total [as Al]
47% over limit
Discharged 0.63 mg/L against a permitted limit of 0.43 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)