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Ocean Farms, Inc.

Animal Aquaculture, Sonoma County, California. NPDES permit CA0024481 expired Jun 30, 2019; its limits still apply. Last 12 months: no values over a limit, 4 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 32 days after each period: outfall 001 form A monthly (15 values), outfall INF form A monthly (6 values), outfall 001 form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 6 of 25 reports late

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
Turbidity30-day average≤ 75 NTUall year001
Turbidityhighest weekly average≤ 100 NTUall year001
Turbidityinstantaneous maximum≤ 225 NTUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspended30-day average≤ 8 mg/Lall year001
Solids, total suspendeddaily maximum≤ 15 mg/Lall year001
Solids, settleablemonthly averagereport only (mL/L)all year001
Solids, settleabledaily maximumreport only (mL/L)all year001
Solids, settleable30-day average≤ 1 mL/Lall year001
Solids, settleabledaily maximum≤ 3 mL/Lall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Oil and grease30-day average≤ 25 mg/Lall year001
Oil and greasehighest weekly average≤ 40 mg/Lall year001
Oil and greaseinstantaneous maximum≤ 75 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
%Effect Static 48Hr Chronic Macrocystis pyriferadaily maximumreport only (% effect)all year001
%Effect Static 48Hr Chronic Haliotis rufescensdaily maximumreport only (% effect)all year001
%Effect Static Renewal 7 Day Chronic Atherinops affinisdaily maximumreport only (% effect)all year001
%Effect Static 20Min Chronic Strongylocentrotus purpuratusdaily maximumreport only (% effect)all year001
%Effect Static 20Min Chronic Dendraster excentricusdaily maximumreport only (% effect)all year001
Pass/Fail Static 48Hr Chronic Macrocystis pyriferamonthly medianreport only (pass=0;fail=1)all year001
Pass/Fail Static 48Hr Chronic Macrocystis pyriferadaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static 48Hr Chronic Haliotis rufescensmonthly medianreport only (pass=0;fail=1)all year001
Pass/Fail Static 48Hr Chronic Haliotis rufescensdaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7 Day Chronic Atherinops affinismonthly medianreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7 Day Chronic Atherinops affinisdaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static 20 Minute Fertilization Chronic Strongylocentrotus purpuratusmonthly medianreport only (pass=0;fail=1)all year001
Pass/Fail Static 20 Minute Fertilization Chronic Strongylocentrotus purpuratusdaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricusmonthly medianreport only (pass=0;fail=1)all year001
Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricusdaily maximumreport only (pass=0;fail=1)all year001
pHminimumreport only (SU)all yearINF
pHmaximumreport only (SU)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Solids, total suspendeddaily maximumreport only (mg/L)all yearINF
Solids, settleablemonthly averagereport only (mL/L)all yearINF
Solids, settleabledaily maximumreport only (mL/L)all yearINF

How strict are these limits?

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

Same industry: the 3 Agricultural Production — Livestock and Animal Specialties permits in California.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/CA0024481 · MCP: https://passage-data.com/mcp