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Pacific Aquaculture Inc

Animal Aquaculture, Nespelem, Washington. NPDES permit WA0026336 expired Apr 30, 2025; its limits still apply. Last 12 months: over a limit 4 times (last August 2026), 2 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (12 values), outfall REC form 1 monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
May 2026Turbidity, % increas over intake, instantaneous maximum50.74 % effect≤ 10 % effect407%
August 2026Oxygen, dissolved [DO], instantaneous minimum7.94 mg/L≥ 8 mg/L1%
August 2026Oxygen, dissolved [DO], instantaneous minimum7.98 mg/L≥ 8 mg/L0%
August 2026Oxygen, dissolved [DO], instantaneous minimum7.99 mg/L≥ 8 mg/L0%

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
Turbidityinstantaneous maximum≤ 5 NTUMay–Oct001
Turbidityinstantaneous maximum≤ 5 NTUMay–Oct001
Turbidityinstantaneous maximum≤ 5 NTUMay–Oct001
Oxygen, dissolved [DO]instantaneous minimum≥ 8 mg/LMay–Oct001
Oxygen, dissolved [DO]instantaneous minimum≥ 8 mg/LMay–Oct001
Oxygen, dissolved [DO]instantaneous minimum≥ 8 mg/LMay–Oct001
Oxygen, dissolved [DO]instantaneous maximum≤ .2 mg/LMay–Oct001
Oxygen, dissolved [DO]instantaneous maximum≤ .2 mg/LMay–Oct001
Oxygen, dissolved [DO]instantaneous maximum≤ .2 mg/LMay–Oct001
Turbidity, % increas over intakeinstantaneous maximum≤ 10 % effectMay–Oct001
Turbidity, % increas over intakeinstantaneous maximum≤ 10 % effectMay–Oct001
Turbidity, % increas over intakeinstantaneous maximum≤ 10 % effectMay–Oct001
Turbidityinstantaneous maximumreport only (NTU)May–OctREC
Turbidityinstantaneous maximumreport only (NTU)May–OctREC
Turbidityinstantaneous maximumreport only (NTU)May–OctREC
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)May–OctREC
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)May–OctREC
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)May–OctREC

How strict are these limits?

Cited limits by parameter: Washington's rules and the federal ones.

Same industry: the 4 Agricultural Production — Livestock and Animal Specialties permits in Washington.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WA0026336 · MCP: https://passage-data.com/mcp