US NAVY - PUGET SOUND NAVAL SHIPYARD

NPDES ID: WA0002062

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: 2 effluent violations.

Violations

May 31, 2026

Copper, total recoverable

1053% over limit

Discharged 0.219 mg/L against a permitted limit of 0.019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

1227% over limit

Discharged 0.438 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Copper, total recoverable

15% over limit

Discharged 0.038 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

101% over limit

Discharged 0.75817999 kg/d against a permitted limit of 0.37682 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

58% over limit

Discharged 1.03057999 kg/d against a permitted limit of 0.65376 kg/d (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

11% over limit

Discharged 0.021 mg/L against a permitted limit of 0.019 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

31% over limit

Discharged 0.45854 kg/d against a permitted limit of 0.34958 kg/d (MAXIMUM)

DMR, Limited - Numeric Violation

November 30, 2025

Copper, total recoverable

17% over limit

Discharged 0.76725999 kg/d against a permitted limit of 0.65376 kg/d (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

24% over limit

Discharged 0.46762 kg/d against a permitted limit of 0.37682 kg/d (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Copper, total recoverable

101% over limit

Discharged 1.31205999 kg/d against a permitted limit of 0.65376 kg/d (DAILY MX)

DMR, Limited - Numeric Violation

July 31, 2024

Copper, total recoverable

3% over limit

Discharged 0.034 mg/L against a permitted limit of 0.033 mg/L (MAXIMUM)

DMR, Limited - Numeric Violation

Copper, total recoverable

16% over limit

Discharged 0.23154 kg/d against a permitted limit of 0.19976 kg/d (AVERAGE)

DMR, Limited - Numeric Violation

Copper, total recoverable

60% over limit

Discharged 0.55842 kg/d against a permitted limit of 0.34958 kg/d (MAXIMUM)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 29, 2026 (2 days ago)