SHERMAN BROS. TRUCKING
NPDES ID: OR0021954
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: 4 effluent violations, 1 single-event violation.
Violations
April 30, 2026
BOD, 5-day, 20 deg. C
84% over limit
Discharged 55.1 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
74% over limit
Discharged 78.2 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
34% over limit
Discharged 4.26759996 kg/d against a permitted limit of 3.17799997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
20% over limit
Discharged 5.99279995 kg/d against a permitted limit of 4.99399996 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
113% over limit
Discharged 10.62359991 kg/d against a permitted limit of 4.99399996 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
110% over limit
Discharged 63 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)