YAFFE IRON & METAL CO., INC.
NPDES ID: OK0041874
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
February 28, 2026
Lead, total [as Pb]
317% over limit
Discharged 0.0217 mg/L against a permitted limit of 0.0052 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
79% over limit
Discharged 0.034 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
74% over limit
Discharged 0.0217 mg/L against a permitted limit of 0.01249 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Copper, total [as Cu]
44% over limit
Discharged 0.054 mg/L against a permitted limit of 0.0375 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
114% over limit
Discharged 0.04075 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
26% over limit
Discharged 0.00653 mg/L against a permitted limit of 0.0052 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total [as Cu]
2% over limit
Discharged 0.0193 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total [as Cu]
67% over limit
Discharged 0.0318 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
83% over limit
Discharged 0.00949 mg/L against a permitted limit of 0.0052 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Lead, total [as Pb]
24% over limit
Discharged 0.00646 mg/L against a permitted limit of 0.0052 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Copper, total [as Cu]
19% over limit
Discharged 0.0226 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)