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Humboldt State University

Animal Specialties, Trinidad, California. NPDES permit CA0025151 expired Dec 31, 2024; its limits still apply. Last 12 months: over a limit 4 times (last December 2025), 9 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 60 days after each period: form AA quarterly (2 values), form BA quarterly (4 values), form BQ quarterly (11 values), form CA quarterly (1 value), form CX yearly (1 value), form DA quarterly (4 values), and 9 more forms
Last report on file
March 2026
Oct 2024 – Sep 2025
4 values over a limit, 4 required values missing, 51 of 76 reports late

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

Period endingParameterReportedLimitOver by
December 2025Copper, total recoverable, 6-month median4.13 ug/L≤ 3 ug/L38%
December 2025Di[2-ethylhexyl] phthalate [DEHP], monthly average60.1 ug/L≤ 3.5 ug/L1617%
December 2025Zinc, total recoverable, 6-month median87.6 ug/L≤ 20 ug/L338%
December 2025Zinc, total recoverable, daily maximum87.6 ug/L≤ 80 ug/L10%

Limits in force (230)

ParameterStatisticLimitMonths
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year
Turbiditymonthly average≤ 75 NTUall year
Turbiditymonthly average≤ 75 NTUall year
Turbiditymonthly average≤ 75 NTUall year
Turbidityweekly average≤ 100 NTUall year
Turbidityweekly average≤ 100 NTUall year
Turbidityweekly average≤ 100 NTUall year
Turbidityinstantaneous maximum≤ 225 NTUall year
Turbidityinstantaneous maximum≤ 225 NTUall year
Turbidityinstantaneous maximum≤ 225 NTUall year
Turbiditymonthly average≤ 75 NTUall year
Turbidityweekly average≤ 100 NTUall year
Turbidityinstantaneous maximum≤ 225 NTUall year
Radioactivitydaily maximumreport only (pCi/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHminimum≥ 6 SUall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Salinitydaily maximumreport only (ppk)all year
Salinitydaily maximumreport only (ppk)all year
Salinitydaily maximumreport only (ppk)all year
Salinitydaily maximumreport only (ppk)all year
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year
Solids, settleablemonthly average≤ 1 mL/Lall year
Solids, settleablemonthly average≤ 1 mL/Lall year
Solids, settleablemonthly average≤ 1 mL/Lall year
Solids, settleableweekly average≤ 1.5 mL/Lall year
Solids, settleableweekly average≤ 1.5 mL/Lall year
Solids, settleableweekly average≤ 1.5 mL/Lall year
Solids, settleableinstantaneous maximum≤ 3 mL/Lall year
Solids, settleableinstantaneous maximum≤ 3 mL/Lall year
Solids, settleableinstantaneous maximum≤ 3 mL/Lall year
Solids, settleablemonthly average≤ 1 mL/Lall year
Solids, settleableweekly average≤ 1.5 mL/Lall year
Solids, settleableinstantaneous maximum≤ 3 mL/Lall year
Oil & Greasemonthly average≤ 25 mg/Lall year
Oil & Greaseweekly average≤ 40 mg/Lall year
Oil & Greaseinstantaneous maximum≤ 75 mg/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (ug/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (ug/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (ug/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (ug/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (ug/L)all year
Arsenic, total recoverable6-month median≤ 8 ug/Lall year
Arsenic, total recoverable6-month median≤ 8 ug/Lall year
Arsenic, total recoverable6-month median≤ 8 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 32 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 32 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 32 ug/Lall year
Arsenic, total recoverableinstantaneous maximum≤ 80 ug/Lall year
Arsenic, total recoverableinstantaneous maximum≤ 80 ug/Lall year
Arsenic, total recoverableinstantaneous maximum≤ 80 ug/Lall year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total recoverabledaily maximumreport only (ug/L)all year
Thallium, total recoverabledaily maximumreport only (ug/L)all year
Thallium, total recoverabledaily maximumreport only (ug/L)all year
Thallium, total recoverabledaily maximumreport only (ug/L)all year
Thallium, total recoverabledaily maximumreport only (ug/L)all year
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Nickel, total recoverable6-month median≤ 5 ug/Lall year
Nickel, total recoverable6-month median≤ 5 ug/Lall year
Nickel, total recoverable6-month median≤ 5 ug/Lall year
Nickel, total recoverabledaily maximum≤ 20 ug/Lall year
Nickel, total recoverabledaily maximum≤ 20 ug/Lall year
Nickel, total recoverabledaily maximum≤ 20 ug/Lall year
Nickel, total recoverableinstantaneous maximum≤ 50 ug/Lall year
Nickel, total recoverableinstantaneous maximum≤ 50 ug/Lall year
Nickel, total recoverableinstantaneous maximum≤ 50 ug/Lall year
Nickel, total recoverabledaily maximumreport only (ug/L)all year
Nickel, total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverable6-month median≤ 20 ug/Lall year
Zinc, total recoverable6-month median≤ 20 ug/Lall year
Zinc, total recoverable6-month median≤ 20 ug/Lall year
Zinc, total recoverabledaily maximum≤ 80 ug/Lall year
Zinc, total recoverabledaily maximum≤ 80 ug/Lall year
Zinc, total recoverabledaily maximum≤ 80 ug/Lall year
Zinc, total recoverableinstantaneous maximum≤ 200 ug/Lall year
Zinc, total recoverableinstantaneous maximum≤ 200 ug/Lall year
Zinc, total recoverableinstantaneous maximum≤ 200 ug/Lall year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverable6-month median≤ 2 ug/Lall year
Lead, total recoverable6-month median≤ 2 ug/Lall year
Lead, total recoverable6-month median≤ 2 ug/Lall year
Lead, total recoverabledaily maximum≤ 8 ug/Lall year
Lead, total recoverabledaily maximum≤ 8 ug/Lall year
Lead, total recoverabledaily maximum≤ 8 ug/Lall year
Lead, total recoverableinstantaneous maximum≤ 20 ug/Lall year
Lead, total recoverableinstantaneous maximum≤ 20 ug/Lall year
Lead, total recoverableinstantaneous maximum≤ 20 ug/Lall year
Lead, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverable6-month median≤ 3 ug/Lall year
Copper, total recoverable6-month median≤ 3 ug/Lall year
Copper, total recoverable6-month median≤ 3 ug/Lall year
Copper, total recoverabledaily maximum≤ 12 ug/Lall year
Copper, total recoverabledaily maximum≤ 12 ug/Lall year
Copper, total recoverabledaily maximum≤ 12 ug/Lall year
Copper, total recoverableinstantaneous maximum≤ 30 ug/Lall year
Copper, total recoverableinstantaneous maximum≤ 30 ug/Lall year
Copper, total recoverableinstantaneous maximum≤ 30 ug/Lall year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Polynuclear Aromatic Hydrocarbons [PAHs]monthly average≤ .0088 ug/Lall year
Polynuclear Aromatic Hydrocarbons [PAHs]monthly average≤ .0088 ug/Lall year
Polynuclear Aromatic Hydrocarbons [PAHs]monthly average≤ .0088 ug/Lall year
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 3.5 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 3.5 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 3.5 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Flow, totalmonthly totalreport only (gal)all year
Flow, totalmonthly totalreport only (gal)all year
Volume, totalmonthly totalreport only (gal)all year
Volume, totalmonthly totalreport only (gal)all year
Volume, totalmonthly totalreport only (gal)all year
Polychlorinated biphenyls [PCBs], sum of Aroclors and Congenersdaily maximumreport only (ug/L)all year
Polychlorinated biphenyls [PCBs], sum of Aroclors and Congenersdaily maximumreport only (ug/L)all year
Polychlorinated biphenyls [PCBs], sum of Aroclors and Congenersdaily maximumreport only (ug/L)all year
Polychlorinated biphenyls [PCBs], sum of Aroclors and Congenersdaily maximumreport only (ug/L)all year
Enterococcidaily maximumreport only (MPN/100mL)all year
Mercury, total recoverable6-month median≤ .04 ug/Lall year
Mercury, total recoverable6-month median≤ .04 ug/Lall year
Mercury, total recoverable6-month median≤ .04 ug/Lall year
Mercury, total recoverabledaily maximum≤ .16 ug/Lall year
Mercury, total recoverabledaily maximum≤ .16 ug/Lall year
Mercury, total recoverabledaily maximum≤ .16 ug/Lall year
Mercury, total recoverableinstantaneous maximum≤ .4 ug/Lall year
Mercury, total recoverableinstantaneous maximum≤ .4 ug/Lall year
Mercury, total recoverableinstantaneous maximum≤ .4 ug/Lall year
Mercury, total recoverabledaily maximumreport only (ug/L)all year
Coliform, fecal generaldaily maximumreport only (MPN/100mL)all year
Coliform, total generaldaily maximumreport only (MPN/100mL)all year
Storm water flowdaily maximumreport only (gal/d)all year
Storm water flowdaily maximumreport only (gal/d)all year
Storm water flowdaily maximumreport only (gal/d)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinisvaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinisvaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinisvaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinismaximumreport only (% effect)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinismaximumreport only (% effect)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinismaximumreport only (% effect)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinisvaluereport only (pass=0;fail=1)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinismaximumreport only (% effect)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppvaluereport only (pass=0;fail=1)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppvaluereport only (pass=0;fail=1)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppvaluereport only (pass=0;fail=1)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppmaximumreport only (% effect)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppmaximumreport only (% effect)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppmaximumreport only (% effect)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppvaluereport only (pass=0;fail=1)all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr Mytilus sppmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusmaximumreport only (% effect)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusvaluereport only (pass=0;fail=1)all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusmaximumreport only (% effect)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germination Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferavaluereport only (pass=0;fail=1)all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamaximumreport only (% effect)all year

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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