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.

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

BOD, 5-day, 20 deg. C

67% over limit

Discharged 10.62359991 kg/d against a permitted limit of 6.35599995 kg/d (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

63% over limit

Discharged 5.17559996 kg/d against a permitted limit of 3.17799997 kg/d (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

189% over limit

Discharged 130 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

50% over limit

Discharged 8.17199993 kg/d against a permitted limit of 5.44799995 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

Discharged 96 mg/L against a permitted limit of 80 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

62% over limit

Discharged 81 mg/L against a permitted limit of 50 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

11% over limit

Discharged 9.07999992 kg/d against a permitted limit of 8.17199993 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 8.6 SU against a permitted limit of 8.5 SU (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

Solids, total suspended

6% over limit

Discharged 53 mg/L against a permitted limit of 50 mg/L (MO AVG)

DMR, Limited - Numeric Violation

E. coli

251% over limit

Discharged 442 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)