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Phillips 66

Petroleum Refining, major discharger, Carson, California. NPDES permit CA0063185, in force until May 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 32 days after each period: form Q quarterly (143 values), form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 2 reports late

Limits in force (253)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitinstantaneous maximum≤ 86 deg Fall year
Turbiditymonthly averagereport only (NTU)all year
Turbiditydaily maximumreport only (NTU)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 26 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 48 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 2420 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 4400 lb/dall year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 21 mg/Lall year
Solids, total suspendeddaily maximum≤ 33 mg/Lall year
Solids, total suspendedmonthly average≤ 1927 lb/dall year
Solids, total suspendeddaily maximum≤ 3027 lb/dall year
Solids, settleablemonthly average≤ .1 mL/Lall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Carbon, tot organic [TOC]monthly averagereport only (mg/L)all year
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year
Cyanide, total [as CN]monthly average≤ .5 ug/Lall year
Cyanide, total [as CN]daily maximum≤ 1 ug/Lall year
Cyanide, total [as CN]monthly average≤ .046 lb/dall year
Cyanide, total [as CN]daily maximum≤ .092 lb/dall year
Sulfide, total [as S]daily maximum≤ 1 mg/Lall year
Sulfide, total [as S]daily maximum≤ 92 lb/dall year
Asbestosdaily maximumreport only (ct/L)all year
Arsenic, total recoverablemonthly averagereport only (ug/L)all year
Arsenic, 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
Beryllium, total recoverable [as Be]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]monthly average≤ 28 ug/Lall year
Chromium, hexavalent [as Cr]daily maximum≤ 62 ug/Lall year
Chromium, hexavalent [as Cr]monthly average≤ 2.5 lb/dall year
Chromium, hexavalent [as Cr]daily maximum≤ 5.7 lb/dall year
Chromium, trivalent [as Cr]daily maximumreport only (ug/L)all year
Nickel, total recoverablemonthly average≤ 6.8 ug/Lall year
Nickel, total recoverabledaily maximum≤ 14 ug/Lall year
Nickel, total recoverablemonthly average≤ .62 lb/dall year
Nickel, total recoverabledaily maximum≤ 1.3 lb/dall year
Silver total recoverablemonthly average≤ 1.1 ug/Lall year
Silver total recoverabledaily maximum≤ 2.2 ug/Lall year
Silver total recoverablemonthly average≤ .1 lb/dall year
Silver total recoverabledaily maximum≤ .2 lb/dall year
Zinc, total recoverablemonthly average≤ 70 ug/Lall year
Zinc, total recoverabledaily maximum≤ 141 ug/Lall year
Zinc, total recoverablemonthly average≤ 6.4 lb/dall year
Zinc, total recoverabledaily maximum≤ 13 lb/dall year
Cadmium, total recoverablemonthly averagereport only (ug/L)all year
Cadmium, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverablemonthly average≤ 7 ug/Lall year
Lead, total recoverabledaily maximum≤ 14 ug/Lall year
Lead, total recoverablemonthly average≤ .64 lb/dall year
Lead, total recoverabledaily maximum≤ 1.3 lb/dall year
Chromium, total recoverablemonthly average≤ 210 ug/Lall year
Chromium, total recoverabledaily maximum≤ 600 ug/Lall year
Chromium, total recoverablemonthly average≤ 19 lb/dall year
Chromium, total recoverabledaily maximum≤ 55 lb/dall year
Copper, total recoverablemonthly average≤ 3.1 ug/Lall year
Copper, total recoverabledaily maximum≤ 6.1 ug/Lall year
Copper, total recoverablemonthly average≤ .28 lb/dall year
Copper, total recoverabledaily maximum≤ .56 lb/dall year
Antimony, total recoverabledaily maximumreport only (ug/L)all year
Oil and greasemonthly average≤ 8 mg/Lall year
Oil and greasedaily maximum≤ 15 mg/Lall year
Oil and greasemonthly average≤ 737 lb/dall year
Oil and greasedaily maximum≤ 1376 lb/dall year
2-Methyl-4,6-dinitrophenoldaily maximumreport only (ug/L)all year
Methyl tert-butyl ether [MTBE]monthly averagereport only (ug/L)all year
Methyl tert-butyl ether [MTBE]daily maximumreport only (ug/L)all year
Dichlorobromomethanedaily maximumreport only (ug/L)all year
Carbon tetrachloridedaily maximumreport only (ug/L)all year
1,2-Dichloroethanedaily maximumreport only (ug/L)all year
Bromoformdaily maximumreport only (ug/L)all year
Dibromochloromethanedaily maximumreport only (ug/L)all year
Chloroformdaily maximumreport only (ug/L)all year
Toluenedaily maximumreport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
.delta.-BHCdaily maximumreport only (ug/L)all year
Acenaphthylenedaily maximumreport only (ug/L)all year
Acenaphthenedaily maximumreport only (ug/L)all year
Acroleindaily maximumreport only (ug/L)all year
Acrylonitriledaily maximumreport only (ug/L)all year
Anthracenedaily maximumreport only (ug/L)all year
Benzo[b]fluoranthenedaily maximumreport only (ug/L)all year
Benzo[k]fluoranthenedaily maximumreport only (ug/L)all year
Benzo[a]pyrenemonthly average≤ .049 ug/Lall year
Benzo[a]pyrenedaily maximum≤ .098 ug/Lall year
Benzo[a]pyrenemonthly average≤ .0045 lb/dall year
Benzo[a]pyrenedaily maximum≤ .009 lb/dall year
Bis[2-chloroethyl] etherdaily maximumreport only (ug/L)all year
Bis[2-chloroethoxy]methanedaily maximumreport only (ug/L)all year
Bis[2-chloroisopropyl] etherdaily maximumreport only (ug/L)all year
Butyl benzyl phthalatedaily maximumreport only (ug/L)all year
Chlorobenzenedaily maximumreport only (ug/L)all year
Chrysenemonthly average≤ .049 ug/Lall year
Chrysenedaily maximum≤ .098 ug/Lall year
Chrysenemonthly average≤ .0045 lb/dall year
Chrysenedaily maximum≤ .009 lb/dall year
Diethyl phthalatedaily maximumreport only (ug/L)all year
Dimethyl phthalatedaily maximumreport only (ug/L)all year
1,2-Diphenylhydrazinedaily maximumreport only (ug/L)all year
Endosulfan sulfatedaily maximumreport only (ug/L)all year
.beta.-Endosulfandaily maximumreport only (ug/L)all year
.alpha.-Endosulfandaily maximumreport only (ug/L)all year
Endrin aldehydedaily maximumreport only (ug/L)all year
Ethylbenzenedaily maximumreport only (ug/L)all year
Fluoranthenedaily maximumreport only (ug/L)all year
Fluorenedaily maximumreport only (ug/L)all year
Hexachlorocyclopentadienedaily maximumreport only (ug/L)all year
Hexachlorobutadienedaily maximumreport only (ug/L)all year
Hexachloroethanedaily maximumreport only (ug/L)all year
Indeno[1,2,3-cd]pyrenedaily maximumreport only (ug/L)all year
Isophoronedaily maximumreport only (ug/L)all year
Methyl bromide [Bromomethane]daily maximumreport only (ug/L)all year
Methyl chloride [Chloromethane]daily maximumreport only (ug/L)all year
Methylene chloridedaily maximumreport only (ug/L)all year
N-Nitrosodi-N-propylaminedaily maximumreport only (ug/L)all year
N-Nitrosodiphenylaminedaily maximumreport only (ug/L)all year
N-Nitrosodimethylamine [NDMA]daily maximumreport only (ug/L)all year
Nitrobenzenedaily maximumreport only (ug/L)all year
Phenanthrenedaily maximumreport only (ug/L)all year
Pyrenemonthly average≤ 11000 ug/Lall year
Pyrenedaily maximum≤ 22068 ug/Lall year
Pyrenemonthly average≤ 1009 lb/dall year
Pyrenedaily maximum≤ 2025 lb/dall year
Tetrachloroethylenedaily maximumreport only (ug/L)all year
1,1-Dichloroethanedaily maximumreport only (ug/L)all year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2,2-Tetrachloroethanedaily maximumreport only (ug/L)all year
Benzo[ghi]perylenedaily maximumreport only (ug/L)all year
Benzo[a]anthracenemonthly average≤ .049 ug/Lall year
Benzo[a]anthracenedaily maximum≤ .098 ug/Lall year
Benzo[a]anthracenemonthly average≤ .0045 lb/dall year
Benzo[a]anthracenedaily maximum≤ .009 lb/dall year
1,2-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,2-Dichloropropanedaily maximumreport only (ug/L)all year
trans-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
1,2,4-Trichlorobenzenedaily maximumreport only (ug/L)all year
Dibenz[a,h]anthracenedaily maximumreport only (ug/L)all year
1,3-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,4-Dichlorobenzenedaily maximumreport only (ug/L)all year
2-Chloroethyl vinyl ether, [mixed]daily maximumreport only (ug/L)all year
2-Chloronaphthalenedaily maximumreport only (ug/L)all year
2-Chlorophenoldaily maximumreport only (ug/L)all year
2-Nitrophenoldaily maximumreport only (ug/L)all year
Di-n-octyl phthalatedaily maximumreport only (ug/L)all year
2,4-Dichlorophenoldaily maximumreport only (ug/L)all year
2,4-Dimethylphenoldaily maximumreport only (ug/L)all year
2,4-Dinitrotoluenedaily maximumreport only (ug/L)all year
2,4-Dinitrophenoldaily maximumreport only (ug/L)all year
2,4,6-Trichlorophenoldaily maximumreport only (ug/L)all year
2,6-Dinitrotoluenedaily maximumreport only (ug/L)all year
3,3'-Dichlorobenzidinedaily maximumreport only (ug/L)all year
4-Bromophenyl phenyl etherdaily maximumreport only (ug/L)all year
4-Chlorophenyl phenyl etherdaily maximumreport only (ug/L)all year
4-Nitrophenoldaily maximumreport only (ug/L)all year
PCB-1016daily maximumreport only (ug/L)all year
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximumreport only (ug/L)all year
Phenoldaily maximumreport only (ug/L)all year
Naphthalenedaily maximumreport only (ug/L)all year
Pentachlorophenoldaily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 5.9 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 12 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .54 lb/dall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 1.1 lb/dall year
Di-n-butyl phthalatedaily maximumreport only (ug/L)all year
Benzidinedaily maximumreport only (ug/L)all year
Vinyl chloridedaily maximumreport only (ug/L)all year
Trichloroethylenedaily maximumreport only (ug/L)all year
4,4'-DDTmonthly average≤ .000013 ug/Lall year
4,4'-DDTdaily maximum≤ .000026 ug/Lall year
4,4'-DDTmonthly average≤ .000054 lb/dall year
4,4'-DDTdaily maximum≤ .00011 lb/dall year
4,4'-DDDdaily maximumreport only (ug/L)all year
4,4'-DDEdaily maximumreport only (ug/L)all year
Aldrindaily maximumreport only (ug/L)all year
.alpha.-BHCdaily maximumreport only (ug/L)all year
.beta.-BHCdaily maximumreport only (ug/L)all year
.gamma.-BHCdaily maximumreport only (ug/L)all year
Chlordane [tech mix. and metabolites]daily maximumreport only (ug/L)all year
Dieldrinmonthly average≤ .00014 ug/Lall year
Dieldrindaily maximum≤ .00028 ug/Lall year
Dieldrinmonthly average≤ .000013 lb/dall year
Dieldrindaily maximum≤ .000026 lb/dall year
Endrindaily maximumreport only (ug/L)all year
Toxaphenedaily maximumreport only (ug/L)all year
Heptachlordaily maximumreport only (ug/L)all year
Heptachlor epoxidedaily maximumreport only (ug/L)all year
PCB-1221daily maximumreport only (ug/L)all year
PCB-1232daily maximumreport only (ug/L)all year
PCB-1242daily maximumreport only (ug/L)all year
PCB-1248daily maximumreport only (ug/L)all year
PCB-1254daily maximumreport only (ug/L)all year
PCB-1260daily maximumreport only (ug/L)all year
Polychlorinated biphenyls [PCBs]monthly average≤ .00017 ug/Lall year
Polychlorinated biphenyls [PCBs]daily maximum≤ .00034 ug/Lall year
Polychlorinated biphenyls [PCBs]monthly average≤ .000016 lb/dall year
Polychlorinated biphenyls [PCBs]daily maximum≤ .000031 lb/dall year
Hexachlorobenzenemonthly average≤ .00077 ug/Lall year
Hexachlorobenzenedaily maximum≤ .0015 ug/Lall year
Hexachlorobenzenemonthly average≤ .00007 lb/dall year
Hexachlorobenzenedaily maximum≤ .00014 lb/dall year
Phenolsmonthly average≤ .17 mg/Lall year
Phenolsdaily maximum≤ .35 mg/Lall year
Phenolsmonthly average≤ 15 lb/dall year
Phenolsdaily maximum≤ 32 lb/dall 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
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
Chlorine, total residualdaily maximum≤ 9.2 lb/dall year
tert-Butyl alcohol [TBA]monthly averagereport only (ug/L)all year
tert-Butyl alcohol [TBA]daily maximumreport only (ug/L)all year
Chlordanemonthly average≤ .00059 ug/Lall year
Chlordanedaily maximum≤ .0012 ug/Lall year
Chlordanemonthly average≤ .000054 lb/dall year
Chlordanedaily maximum≤ .00011 lb/dall year
Total Petroleum Hydrocarbons - Waste Oilmonthly averagereport only (ug/L)all year
Total Petroleum Hydrocarbons - Waste Oildaily maximumreport only (ug/L)all year
Total Petroleum Hydrocarbons - Dieselmonthly averagereport only (ug/L)all year
Total Petroleum Hydrocarbons - Dieseldaily maximumreport only (ug/L)all year
Total Petroleum Hydrocarbons - Gasolinemonthly averagereport only (ug/L)all year
Total Petroleum Hydrocarbons - Gasolinedaily maximumreport only (ug/L)all year
Enterococcidaily maximum≤ 110 MPN/100mLall year
4-Chloro-3-methylphenoldaily maximumreport only (ug/L)all year
Mercury, total recoverablemonthly average≤ .05 ug/Lall year
Mercury, total recoverabledaily maximum≤ .1 ug/Lall year
Mercury, total recoverablemonthly average≤ .0046 lb/dall year
Mercury, total recoverabledaily maximum≤ .0092 lb/dall year
1,3-Dichloropropenedaily maximumreport only (ug/L)all year
Chemical Oxygen Demand [COD]monthly average≤ 180 mg/Lall year
Chemical Oxygen Demand [COD]daily maximum≤ 360 mg/Lall year
Chemical Oxygen Demand [COD]monthly average≤ 16500 lb/dall year
Chemical Oxygen Demand [COD]daily maximum≤ 33000 lb/dall year
TCDD equivalentsdaily maximumreport only (ug/L)all year
Chloroethanedaily maximumreport only (ug/L)all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinisdaily maximum≤ 0 pass=0;fail=1all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinismonthly median≤ 0 pass=0;fail=1all year
Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d A affinisdaily maximum≤ 50 % effectall year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr H rufescensdaily maximum≤ 0 pass=0;fail=1all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr H rufescensmonthly median≤ 0 pass=0;fail=1all year
Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr H rufescensdaily maximum≤ 50 % effectall year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusdaily maximum≤ 0 pass=0;fail=1all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusmonthly median≤ 0 pass=0;fail=1all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min S purpuratusdaily maximum≤ 50 % effectall year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusdaily maximum≤ 0 pass=0;fail=1all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusmonthly median≤ 0 pass=0;fail=1all year
Chronic Mthd Fertilization Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static40min D excentricusdaily maximum≤ 50 % effectall year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferadaily maximum≤ 0 pass=0;fail=1all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferamonthly median≤ 0 pass=0;fail=1all year
Chronic Mthd Germ Tube Length Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr M pyriferadaily maximum≤ 50 % effectall year

How strict are these limits?

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

Same industry: the 16 Petroleum Refining and Related Industries permits in California.

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