HUNTINGTON ALLOYS CORP
NPDES ID: KY0000329
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Solids, total suspended
340% over limit
Discharged 132 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 132 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
664% over limit
Discharged 0.107 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
562% over limit
Discharged 0.139 mg/L against a permitted limit of 0.021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total recoverable
2471% over limit
Discharged 0.36 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
1314% over limit
Discharged 0.297 mg/L against a permitted limit of 0.021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
35% over limit
Discharged 81 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total recoverable
8% over limit
Discharged 0.19 mg/L against a permitted limit of 0.176 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
170% over limit
Discharged 81 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
170% over limit
Discharged 81 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
179% over limit
Discharged 0.039 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
76% over limit
Discharged 79 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
35% over limit
Discharged 40.5 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Copper, total recoverable
233% over limit
Discharged 0.07 mg/L against a permitted limit of 0.021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
35% over limit
Discharged 81 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
20% over limit
Discharged 36 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
386% over limit
Discharged 0.068 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
548% over limit
Discharged 0.136 mg/L against a permitted limit of 0.021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total recoverable
1243% over limit
Discharged 0.282 mg/L against a permitted limit of 0.021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
157% over limit
Discharged 0.036 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total recoverable
2% over limit
Discharged 0.18 mg/L against a permitted limit of 0.176 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Copper, total recoverable
250% over limit
Discharged 0.049 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total recoverable
25% over limit
Discharged 0.15 mg/L against a permitted limit of 0.12 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
214% over limit
Discharged 0.066 mg/L against a permitted limit of 0.021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total recoverable
219% over limit
Discharged 0.067 mg/L against a permitted limit of 0.021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
129% over limit
Discharged 0.032 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)