STELLA-JONES CORP

NPDES ID: WA0037953

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.

This quarter: 3 effluent violations.

Violations

June 30, 2026

Copper, total [as Cu]

1957% over limit

Discharged 2.1600001 mg/L against a permitted limit of 0.105 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chemical oxygen demand [COD]

163% over limit

Discharged 316 mg/L against a permitted limit of 120 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2026

Copper, total [as Cu]

370% over limit

Discharged 0.49400002 mg/L against a permitted limit of 0.105 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2025

Total Petroleum Hydrocarbons - Diesel

20% over limit

Discharged 0.60000003 mg/L against a permitted limit of 0.50000002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

Chemical oxygen demand [COD]

34% over limit

Discharged 161 mg/L against a permitted limit of 120 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Total Petroleum Hydrocarbons - Diesel

44% over limit

Discharged 0.72000003 mg/L against a permitted limit of 0.50000002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 17, 2026 (5 hours ago)