Chevron Environmental Management Company

NPDES permit CA0001465 · Minor NON-POTW · expired, expires 2023-01-25 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2023-01-25 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
16of 50 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 32 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (222)

OutfallParameterStatisticLimitMonths
001TurbidityMO AVG <= 75 NTU all year
001TurbidityMO AVG <= 75 NTU all year
001TurbidityWKLY AVG <= 100 NTU all year
001TurbidityWKLY AVG <= 100 NTU all year
001TurbidityDAILY MX <= 225 NTU all year
001TurbidityDAILY MX <= 225 NTU all year
001RadioactivityDAILY MX report only all year
001RadioactivityDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMINIMUM >= 60 mg/L all year
001Solids, total suspendedMINIMUM >= 60 mg/L all year
001Solids, settleableMO AVG <= 1 mL/L all year
001Solids, settleableMO AVG <= 1 mL/L all year
001Solids, settleableWKLY AVG <= 1.5 mL/L all year
001Solids, settleableWKLY AVG <= 1.5 mL/L all year
001Solids, settleableDAILY MX <= 3 mL/L all year
001Solids, settleableDAILY MX <= 3 mL/L all year
001Oil & GreaseMO AVG <= 25 mg/L all year
001Oil & GreaseWKLY AVG <= 40 mg/L all year
001Oil & GreaseDAILY MX <= 75 mg/L all year
001Nitrogen, ammonia total [as N]6A <= 9.6 mg/L all year
001Nitrogen, ammonia total [as N]6A <= 9.6 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 38 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 38 mg/L all year
001Nitrogen, ammonia total [as N]INST MAX <= 96 mg/L all year
001Nitrogen, ammonia total [as N]INST MAX <= 96 mg/L all year
001Cyanide, total [as CN]6A <= 20 ug/L all year
001Cyanide, total [as CN]6A <= 20 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 60 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 60 ug/L all year
001Cyanide, total [as CN]INST MAX <= 160 ug/L all year
001Cyanide, total [as CN]INST MAX <= 160 ug/L all year
001Arsenic, total recoverable6A <= 80 ug/L all year
001Arsenic, total recoverable6A <= 80 ug/L all year
001Arsenic, total recoverableDAILY MX <= 470 ug/L all year
001Arsenic, total recoverableDAILY MX <= 470 ug/L all year
001Arsenic, total recoverableINST MAX <= 1200 ug/L all year
001Arsenic, total recoverableINST MAX <= 1200 ug/L all year
001Selenium, total recoverable6A <= 240 ug/L all year
001Selenium, total recoverable6A <= 240 ug/L all year
001Selenium, total recoverableDAILY MX <= 960 ug/L all year
001Selenium, total recoverableDAILY MX <= 960 ug/L all year
001Selenium, total recoverableINST MAX <= 2400 ug/L all year
001Selenium, total recoverableINST MAX <= 2400 ug/L all year
001Thallium, total recoverable30DA AVG <= 220000 ug/L all year
001Beryllium, total recoverable [as Be]30DA AVG <= .53 ug/L all year
001Chromium, hexavalent [as Cr]6A <= 30 ug/L all year
001Chromium, hexavalent [as Cr]6A <= 30 ug/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 130 ug/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 130 ug/L all year
001Chromium, hexavalent [as Cr]INST MAX <= 320 ug/L all year
001Chromium, hexavalent [as Cr]INST MAX <= 320 ug/L all year
001Chromium, trivalent [as Cr]30DA AVG <= 3000000 ug/L all year
001Nickel, total recoverable6A <= 80 ug/L all year
001Nickel, total recoverable6A <= 80 ug/L all year
001Nickel, total recoverableDAILY MX <= 320 ug/L all year
001Nickel, total recoverableDAILY MX <= 320 ug/L all year
001Nickel, total recoverableINST MAX <= 800 ug/L all year
001Nickel, total recoverableINST MAX <= 800 ug/L all year
001Silver total recoverable6A <= 10 ug/L all year
001Silver total recoverable6A <= 10 ug/L all year
001Silver total recoverableDAILY MX <= 40 ug/L all year
001Silver total recoverableDAILY MX <= 40 ug/L all year
001Silver total recoverableINST MAX <= 110 ug/L all year
001Silver total recoverableINST MAX <= 110 ug/L all year
001Zinc, total recoverable6A <= 200 ug/L all year
001Zinc, total recoverable6A <= 200 ug/L all year
001Zinc, total recoverableDAILY MX <= 1200 ug/L all year
001Zinc, total recoverableDAILY MX <= 1200 ug/L all year
001Zinc, total recoverableINST MAX <= 3100 ug/L all year
001Zinc, total recoverableINST MAX <= 3100 ug/L all year
001Cadmium, total recoverable6A <= 20 ug/L all year
001Cadmium, total recoverable6A <= 20 ug/L all year
001Cadmium, total recoverableDAILY MX <= 60 ug/L all year
001Cadmium, total recoverableDAILY MX <= 60 ug/L all year
001Cadmium, total recoverableINST MAX <= 160 ug/L all year
001Cadmium, total recoverableINST MAX <= 160 ug/L all year
001Lead, total recoverable6A <= 30 ug/L all year
001Lead, total recoverable6A <= 30 ug/L all year
001Lead, total recoverableDAILY MX <= 130 ug/L all year
001Lead, total recoverableDAILY MX <= 130 ug/L all year
001Lead, total recoverableINST MAX <= 320 ug/L all year
001Lead, total recoverableINST MAX <= 320 ug/L all year
001Copper, total recoverable6A <= 20 ug/L all year
001Copper, total recoverable6A <= 20 ug/L all year
001Copper, total recoverableDAILY MX <= 160 ug/L all year
001Copper, total recoverableDAILY MX <= 160 ug/L all year
001Copper, total recoverableINST MAX <= 450 ug/L all year
001Copper, total recoverableINST MAX <= 450 ug/L all year
001Antimony, total recoverable30DA AVG <= 19000 ug/L all year
0012-Methyl-4,6-dinitrophenol30DA AVG <= 3500 ug/L all year
001Dichloromethane30DA AVG <= 7200 ug/L all year
001Tributyltin30DA AVG <= 20000 ug/L all year
001Methyl tert-butyl ether [MTBE]DAILY MX report only all year
001Polynuclear Aromatic Hydrocarbons [PAHs]30DA AVG <= .14 ug/L all year
001DichlorobromomethaneDAILY MX report only all year
001Carbon tetrachloride30DA AVG <= 14 ug/L all year
0011,2-Dichloroethane30DA AVG <= 2100 ug/L all year
001Chloroform30DA AVG <= 2100 ug/L all year
001Toluene30DA AVG <= 1400 ug/L all year
001Benzene30DA AVG <= 94 ug/L all year
001Chlorinated phenols6A <= 20 ug/L all year
001Chlorinated phenols6A <= 20 ug/L all year
001Chlorinated phenolsDAILY MX <= 60 ug/L all year
001Chlorinated phenolsDAILY MX <= 60 ug/L all year
001Chlorinated phenolsINST MAX <= 160 ug/L all year
001Chlorinated phenolsINST MAX <= 160 ug/L all year
001Acrolein30DA AVG <= 3500 ug/L all year
001Acrylonitrile30DA AVG <= 1.6 ug/L all year
001Bis[2-chloroethyl] ether30DA AVG <= .72 ug/L all year
001Bis[2-chloroethoxy]methane30DA AVG <= 70 ug/L all year
001Bis[2-chloroisopropyl] ether30DA AVG <= 19000 ug/L all year
001Chlorobenzene30DA AVG <= 9100 ug/L all year
001ChlorodibromomethaneDAILY MX report only all year
001Diethyl phthalate30DA AVG <= 530000 mg/L all year
001Dimethyl phthalate30DA AVG <= 13000000 ug/L all year
0011,2-Diphenylhydrazine30DA AVG <= 2.6 ug/L all year
001Ethylbenzene30DA AVG <= 65000 ug/L all year
001Fluoranthene30DA AVG <= 240 ug/L all year
001Hexachlorocyclopentadiene30DA AVG <= 930000 ug/L all year
001Hexachlorobutadiene30DA AVG <= 220 ug/L all year
001Hexachloroethane30DA AVG <= 40 ug/L all year
001Isophorone30DA AVG <= 2400 ug/L all year
001N-Nitrosodi-N-propylamineDAILY MX report only all year
001N-Nitrosodiphenylamine30DA AVG <= 40 ug/L all year
001N-Nitrosodimethylamine [NDMA]30DA AVG <= 120 ug/L all year
001Nitrobenzene30DA AVG <= 80 ug/L all year
001Tetrachloroethylene30DA AVG <= 1600 ug/L all year
0011,1-Dichloroethylene30DA AVG <= 110000 ug/L all year
0011,1,1-Trichloroethane30DA AVG <= 8600 ug/L all year
0011,1,2-Trichloroethane30DA AVG <= 690000 ug/L all year
0011,1,2,2-Tetrachloroethane30DA AVG <= 19000 ug/L all year
0011,4-Dichlorobenzene30DA AVG <= 290 ug/L all year
0012,4-Dinitrotoluene30DA AVG <= 42 ug/L all year
0012,4-Dinitrophenol30DA AVG <= 60 ug/L all year
0012,4,6-Trichlorophenol30DA AVG <= 4.6 ug/L all year
0013,3'-Dichlorobenzidine30DA AVG <= .13 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]30DA AVG <= 56 ug/L all year
001Di-n-butyl phthalate30DA AVG <= 56000 ug/L all year
001Benzidine30DA AVG <= .001 ug/L all year
001Vinyl chloride30DA AVG <= 580 ug/L all year
001Trichloroethylene30DA AVG <= 430 ug/L all year
001Aldrin30DA AVG <= .00035 ug/L all year
001Dieldrin30DA AVG <= .00064 ug/L all year
001Endosulfan, total6A <= .14 ug/L all year
001Endosulfan, total6A <= .14 ug/L all year
001Endosulfan, totalDAILY MX <= .29 ug/L all year
001Endosulfan, totalDAILY MX <= .29 ug/L all year
001Endosulfan, totalINST MAX <= .43 ug/L all year
001Endosulfan, totalINST MAX <= .43 ug/L all year
001Endrin6A <= .03 ug/L all year
001Endrin6A <= .03 ug/L all year
001EndrinDAILY MX <= .06 ug/L all year
001EndrinDAILY MX <= .06 ug/L all year
001EndrinINST MAX <= .1 ug/L all year
001EndrinINST MAX <= .1 ug/L all year
001Toxaphene30DA AVG <= .0034 ug/L all year
001Heptachlor30DA AVG <= .01 ug/L all year
001Heptachlor epoxideDAILY MX report only all year
001Polychlorinated biphenyls [PCBs]30DA AVG <= .0003 ug/L all year
001Hexachlorobenzene30DA AVG <= .0034 ug/L all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantMC report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .21 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlordane30DA AVG <= .00037 ng/L all year
001DDT/DDD/DDE, sum of p,p' isomers30DA AVG <= .0027 ug/L all year
001Mercury, total recoverable6A <= .63 ug/L all year
001Mercury, total recoverable6A <= .63 ug/L all year
001Mercury, total recoverableDAILY MX <= 2.6 ug/L all year
001Mercury, total recoverableDAILY MX <= 2.6 ug/L all year
001Mercury, total recoverableINST MAX <= 6.4 ug/L all year
001Mercury, total recoverableINST MAX <= 6.4 ug/L all year
001Xylenes [total], dry weightDAILY MX report only all year
0011,3-Dichloropropene30DA AVG <= 140 ug/L all year
001Hexachlorocyclohexane, total6A <= .06 ug/L all year
001Hexachlorocyclohexane, total6A <= .06 ug/L all year
001Hexachlorocyclohexane, totalDAILY MX <= .13 ug/L all year
001Hexachlorocyclohexane, totalDAILY MX <= .13 ug/L all year
001Hexachlorocyclohexane, totalINST MAX <= .19 ug/L all year
001Hexachlorocyclohexane, totalINST MAX <= .19 ug/L all year
001Phenolic compounds, unchlorinated6A <= 480 ug/L all year
001Phenolic compounds, unchlorinated6A <= 480 ug/L all year
001Phenolic compounds, unchlorinatedDAILY MX <= 1900 ug/L all year
001Phenolic compounds, unchlorinatedDAILY MX <= 1900 ug/L all year
001Phenolic compounds, unchlorinatedINST MAX <= 4800 ug/L all year
001Phenolic compounds, unchlorinatedINST MAX <= 4800 ug/L all year
001Halomethanes30DA AVG <= 2100 ug/L all year
001Dichlorobenzene30DA AVG <= 82000 ug/L all year
001Hydrocarbons, total petroleumDAILY MX report only all year
001TCDD equivalents30DA AVG <= .00000006 ug/L all year
001TU Static 72Hr Chronic Strongyl. purpuratusDAILY MX <= 16 tox chronic all year
001Static 72Hr Chronic Dendraster excentricusDAILY MX <= 16 tox chronic all year
001TU Static 48Hr Chronic Macrocystis pyriferaDAILY MX <= 16 tox chronic all year
001TU Static 48Hr Chronic Crassostrea gigasDAILY MX <= 16 tox chronic all year
001TU Static 48Hr Chronic Haliotis rufescensDAILY MX <= 16 tox chronic all year
001Static 48Hr Chronic Mytilis SpeciesDAILY MX <= 16 tox chronic all year
001TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)DAILY MX <= 16 tox chronic all year
001TU Static Renewal 7-Day Chronic Holmesimysis costataDAILY MX <= 16 tox chronic all year
001TU Static Renewal 7-Day Chronic Menidia beryllinaDAILY MX <= 16 tox chronic all year
001Toxic Units Static Renewal 7-Day Chronic Atherinops affinis DAILY MX <= 16 tox chronic all year
001TU Static 20Min Chronic Strongyl. purpuratusDAILY MX <= 16 tox chronic all year
001Static 20Min Chronic Dendraster excentricusDAILY MX <= 16 tox chronic all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedDAILY MX report only all year
INT1Oil & GreaseDAILY MX report only all year
INT1Methyl tert-butyl ether [MTBE]DAILY MX report only all year
INT1Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX report only all year
INT1TolueneDAILY MX report only all year
INT1BenzeneDAILY MX report only all year
INT1EthylbenzeneDAILY MX report only all year
INT1Hydrocarbons, total petroleumDAILY MX report only all year
INT2Oil & GreaseDAILY MX report only all year
INT2Methyl tert-butyl ether [MTBE]DAILY MX report only all year
INT2Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX report only all year
INT2TolueneDAILY MX report only all year
INT2BenzeneDAILY MX report only all year
INT2EthylbenzeneDAILY MX report only all year
INT2Hydrocarbons, total petroleumDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states