NPDES ID: WV0117901
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: 6 effluent violations, 6 reporting violations.
Violations
May 31, 2026
Aluminum, total recoverable
563% over limit
Discharged 2.48 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
231% over limit
Discharged 2.48 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Cobalt, total recoverable
2400% over limit
Discharged 0.02 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
1098% over limit
Discharged 4.48 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
497% over limit
Discharged 4.48 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
1150% over limit
Discharged 0.02 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
March 31, 2026
Cobalt, total recoverable
2544% over limit
Discharged 0.0423 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total recoverable
20% over limit
Discharged 0.0006 mg/L against a permitted limit of 0.0005 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
5188% over limit
Discharged 0.0423 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nickel, total recoverable
15% over limit
Discharged 0.12 mg/L against a permitted limit of 0.104 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Cobalt, total recoverable
150% over limit
Discharged 0.004 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
400% over limit
Discharged 0.004 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
18% over limit
Discharged 0.44 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
January 31, 2026
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
3650% over limit
Discharged 0.03 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
1775% over limit
Discharged 0.03 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Cobalt, total recoverable
338% over limit
Discharged 0.007 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
775% over limit
Discharged 0.007 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
103% over limit
Discharged 0.76 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
1% over limit
Discharged 0.76 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
650% over limit
Discharged 0.006 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
275% over limit
Discharged 0.006 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
149% over limit
Discharged 0.93 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
24% over limit
Discharged 0.93 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
6150% over limit
Discharged 0.05 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Nickel, total recoverable
46% over limit
Discharged 0.152 mg/L against a permitted limit of 0.104 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
3025% over limit
Discharged 0.05 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total recoverable
40% over limit
Discharged 0.0007 mg/L against a permitted limit of 0.0005 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
18% over limit
Discharged 0.44 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
September 30, 2025
Cobalt, total recoverable
900% over limit
Discharged 0.008 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
400% over limit
Discharged 0.008 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Cobalt, total recoverable
275% over limit
Discharged 0.006 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
650% over limit
Discharged 0.006 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
July 31, 2025
Cobalt, total recoverable
4775% over limit
Discharged 0.039 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nickel, total recoverable
15% over limit
Discharged 0.12 mg/L against a permitted limit of 0.104 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
2338% over limit
Discharged 0.039 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Cobalt, total recoverable
75% over limit
Discharged 0.0014 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
178% over limit
Discharged 1.04 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
39% over limit
Discharged 1.04 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
39% over limit
Discharged 0.52 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
3025% over limit
Discharged 0.025 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
1463% over limit
Discharged 0.025 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
April 30, 2025
Cobalt, total recoverable
2025% over limit
Discharged 0.017 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
963% over limit
Discharged 0.017 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
31% over limit
Discharged 0.49 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
March 31, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Arsenic, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Beryllium, total recoverable [as Be]
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 (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.146 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.293 mg/L (DAILY MX)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Overdue
Beryllium, total recoverable [as Be]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cadmium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.001 mg/L (DAILY MX)
DMR, Limited - Overdue
Cobalt, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Overdue
Selenium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Selenium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nickel, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.209 mg/L (DAILY MX)
DMR, Limited - 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
Cadmium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO AVG)
DMR, Limited - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 2.19 mg/L (DAILY MX)
DMR, Limited - Overdue
Chromium, hexavalent [as Cr]
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 (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.104 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Arsenic, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cobalt, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.23 mg/L (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
February 28, 2025
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
8% over limit
Discharged 0.81 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
117% over limit
Discharged 0.81 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
1275% over limit
Discharged 0.011 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
588% over limit
Discharged 0.011 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
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
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Cadmium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.001 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.146 mg/L (MO AVG)
DMR, Limited - Overdue
Nickel, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.104 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Nickel, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.209 mg/L (DAILY MX)
DMR, Limited - Overdue
Cobalt, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - 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
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.23 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 2.19 mg/L (DAILY MX)
DMR, Limited - Overdue
Cobalt, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.293 mg/L (DAILY MX)
DMR, Limited - Overdue
Cadmium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (MO AVG)
DMR, Limited - Overdue
December 31, 2024
Aluminum, total recoverable
347% over limit
Discharged 3.35 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
796% over limit
Discharged 3.35 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Cobalt, total recoverable
713% over limit
Discharged 0.013 mg/L against a permitted limit of 0.0016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
229% over limit
Discharged 1.23 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cobalt, total recoverable
1525% over limit
Discharged 0.013 mg/L against a permitted limit of 0.0008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
64% over limit
Discharged 1.23 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
213% over limit
Discharged 2.35 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
528% over limit
Discharged 2.35 mg/L against a permitted limit of 0.374 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)