BOUMA POST YARDS
NPDES ID: MTR000047
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
Violations
March 31, 2026
Copper, total [as Cu]
200% over limit
Discharged 0.015 mg/L against a permitted limit of 0.005 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
40% over limit
Discharged 0.007 mg/L against a permitted limit of 0.005 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Copper, total [as Cu]
120% over limit
Discharged 0.011 mg/L against a permitted limit of 0.005 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Copper, total [as Cu]
220% over limit
Discharged 0.016 mg/L against a permitted limit of 0.005 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Copper, total [as Cu]
60% over limit
Discharged 0.008 mg/L against a permitted limit of 0.005 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total [as Cu]
720% over limit
Discharged 0.041 mg/L against a permitted limit of 0.005 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)