CANAAN VALLEY PSD
NPDES ID: WV0106011
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: 3 effluent violations.
Violations
May 31, 2026
Copper, total recoverable
156% over limit
Discharged 0.023 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
44% over limit
Discharged 0.023 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Copper, total recoverable
0% over limit
Discharged 0.009 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total recoverable
0% over limit
Discharged 0.009 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total recoverable
44% over limit
Discharged 0.013 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total recoverable
56% over limit
Discharged 0.014 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, suspended percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.024 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Overdue
September 30, 2025
BOD, 5-day, percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0.016 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
78% over limit
Discharged 0.016 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Copper, total recoverable
67% over limit
Discharged 0.015 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Flow, in conduit or thru treatment plant
15% over limit
Discharged 0.092 MGD against a permitted limit of 0.08 MGD (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Flow, in conduit or thru treatment plant
30% over limit
Discharged 0.104 MGD against a permitted limit of 0.08 MGD (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
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
Solids, suspended percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.024 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
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
Solids, suspended percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
26% over limit
Discharged 0.101 MGD against a permitted limit of 0.08 MGD (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.013 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 (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 (MO AVG)
DMR, Monitor Only - Overdue
April 30, 2025
Flow, in conduit or thru treatment plant
29% over limit
Discharged 0.103 MGD against a permitted limit of 0.08 MGD (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
22% over limit
Discharged 0.011 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total recoverable
22% over limit
Discharged 0.011 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total recoverable
146% over limit
Discharged 0.059 mg/L against a permitted limit of 0.024 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
354% over limit
Discharged 0.059 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Copper, total recoverable
67% over limit
Discharged 0.015 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Copper, total recoverable
11% over limit
Discharged 0.01 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total recoverable
6% over limit
Discharged 0.017 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
89% over limit
Discharged 0.017 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total recoverable
78% over limit
Discharged 0.016 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0.016 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Copper, total recoverable
0% over limit
Discharged 0.016 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
78% over limit
Discharged 0.016 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
1% over limit
Discharged 0.081 MGD against a permitted limit of 0.08 MGD (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Copper, total recoverable
19% over limit
Discharged 0.019 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
111% over limit
Discharged 0.019 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)