AOC MATERIALS, LLC
NPDES ID: WV0039969
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 6 reporting violations.
Violations
March 31, 2026
Solids, total suspended
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 (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - 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
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
January 31, 2026
Iron, total recoverable
3% over limit
Discharged 1.3 mg/L against a permitted limit of 1.26 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
6% over limit
Discharged 0.014 mg/L against a permitted limit of 0.0132 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Temp. diff. between samp. & upstrm deg. F
19% over limit
Discharged 17.9 deg F against a permitted limit of 15 deg F (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total recoverable
67% over limit
Discharged 0.022 mg/L against a permitted limit of 0.0132 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Iron, total recoverable
3% over limit
Discharged 1.3 mg/L against a permitted limit of 1.26 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total recoverable
41% over limit
Discharged 0.034 mg/L against a permitted limit of 0.0241 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
158% over limit
Discharged 0.034 mg/L against a permitted limit of 0.0132 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - 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
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 (MO AVG)
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 (MO AVG)
DMR, Monitor Only - Overdue
August 31, 2025
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - 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
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
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (INST MIN)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
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 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oil and grease, hexane extr method
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 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total recoverable
37% over limit
Discharged 0.033 mg/L against a permitted limit of 0.0241 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
150% over limit
Discharged 0.033 mg/L against a permitted limit of 0.0132 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
July 31, 2025
Copper, total recoverable
99% over limit
Discharged 0.048 mg/L against a permitted limit of 0.0241 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
264% over limit
Discharged 0.048 mg/L against a permitted limit of 0.0132 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - 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
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
Iron, total recoverable
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 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
May 31, 2025
Copper, total recoverable
59% over limit
Discharged 0.021 mg/L against a permitted limit of 0.0132 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
6485% over limit
Discharged 1.87 mg/L against a permitted limit of 0.0284 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
3181% over limit
Discharged 1.87 mg/L against a permitted limit of 0.057 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
3% over limit
Discharged 31 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
220% over limit
Discharged 0.077 mg/L against a permitted limit of 0.0241 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 4.88 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
Copper, total recoverable
483% over limit
Discharged 0.077 mg/L against a permitted limit of 0.0132 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total recoverable
453% over limit
Discharged 0.052 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
91% over limit
Discharged 0.052 mg/L against a permitted limit of 0.0272 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Copper, total recoverable
70% over limit
Discharged 0.016 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 5.24 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
Copper, total recoverable
25% over limit
Discharged 0.034 mg/L against a permitted limit of 0.0272 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
9% over limit
Discharged 1.1 mg/L against a permitted limit of 1.01 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
70% over limit
Discharged 51 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
262% over limit
Discharged 0.034 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total recoverable
283% over limit
Discharged 0.036 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
32% over limit
Discharged 0.036 mg/L against a permitted limit of 0.0272 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
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
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (INST MIN)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oil and grease, hexane extr method
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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
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 (MO AVG)
DMR, Monitor Only - Overdue
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Oil and grease, hexane extr method
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
148% over limit
Discharged 2.5 mg/L against a permitted limit of 1.01 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (INST MAX)
DMR, Monitor Only - 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
Iron, total recoverable
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
Oil and grease, hexane extr method
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 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 (MO AVG)
DMR, Monitor Only - 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
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - 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
Copper, total recoverable
123% over limit
Discharged 0.021 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total recoverable
187% over limit
Discharged 0.027 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Copper, total recoverable
123% over limit
Discharged 0.021 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.81 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
July 31, 2024
pH
0% over limit
Discharged 5.84 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
Chlorine, total residual
12700% over limit
Discharged 0.32 mg/L against a permitted limit of 0.0025 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
102% over limit
Discharged 0.019 mg/L against a permitted limit of 0.0094 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
5514% over limit
Discharged 0.32 mg/L against a permitted limit of 0.0057 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)