Carpinteria Sanitary District

NPDES permit CA0047364 · Major POTW · expired, expires 2022-09-20 · 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 2022-09-20 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)
0of 23 forms filed late

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

Reporting

Reports are due about 32 days after each monitoring period ends (the most common figure among CA permits in EPA's filings — check your permit).

Limits in force (279)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MIN report only all year
001Temperature, water deg. fahrenheitINST MIN report only all year
001Temperature, water deg. fahrenheitINST MAX report only all year
001Temperature, water deg. fahrenheitINST MAX report only all year
001TurbidityMO AVG <= 75 NTU all year
001TurbidityMO AVG <= 75 NTU all year
001TurbidityWKLY AVG <= 100 NTU all year
001TurbidityWKLY AVG <= 100 NTU all year
001TurbidityINST MAX <= 225 NTU all year
001TurbidityINST MAX <= 225 NTU all year
001RadioactivityDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 90 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 90 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 630 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 630 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 940 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 940 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX <= 90 mg/L all year
001Solids, total suspendedDAILY MX <= 90 mg/L all year
001Solids, total suspendedMO AVG <= 630 lb/d all year
001Solids, total suspendedMO AVG <= 630 lb/d all year
001Solids, total suspendedWKLY AVG <= 940 lb/d all year
001Solids, total suspendedWKLY AVG <= 940 lb/d 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, settleableINST MAX <= 3 mL/L all year
001Solids, settleableINST MAX <= 3 mL/L all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Cyanide, total [as CN]6A <= 94 ug/L all year
001Cyanide, total [as CN]INST MAX <= 940 ug/L all year
001Cyanide, total [as CN]6A <= 2 lb/d all year
001Cyanide, total [as CN]INST MAX <= 20 lb/d all year
001Arsenic, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Thallium, total recoverableMO AVG <= 190 ug/L all year
001Thallium, total recoverableMO AVG <= 3.9 lb/d all year
001Beryllium, total recoverable [as Be]MO AVG <= 3.1 ug/L all year
001Beryllium, total recoverable [as Be]MO AVG <= .065 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, trivalent [as Cr]MO AVG <= 18000000 ug/L all year
001Chromium, trivalent [as Cr]MO AVG <= 370000 lb/d all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
001Oil and greaseMO AVG <= 25 mg/L all year
001Oil and greaseMO AVG <= 25 mg/L all year
001Oil and greaseWKLY AVG <= 40 mg/L all year
001Oil and greaseWKLY AVG <= 40 mg/L all year
001Oil and greaseINST MAX <= 75 mg/L all year
001Oil and greaseINST MAX <= 75 mg/L all year
001Oil and greaseMO AVG <= 520 lb/d all year
001Oil and greaseMO AVG <= 520 lb/d all year
001Oil and greaseWKLY AVG <= 830 lb/d all year
001Oil and greaseWKLY AVG <= 830 lb/d all year
0012-Methyl-4,6-dinitrophenolMO AVG <= 21000 ug/L all year
0012-Methyl-4,6-dinitrophenolMO AVG <= 430 lb/d all year
001TributyltinMO AVG <= .13 ug/L all year
001TributyltinMO AVG <= .0027 lb/d all year
001Polynuclear Aromatic Hydrocarbons [PAHs]MO AVG <= .83 ug/L all year
001Polynuclear Aromatic Hydrocarbons [PAHs]MO AVG <= .017 lb/d all year
001DichlorobromomethaneMO AVG <= 580 ug/L all year
001DichlorobromomethaneMO AVG <= 12 lb/d all year
001Carbon tetrachlorideMO AVG <= 85 ug/L all year
001Carbon tetrachlorideMO AVG <= 1.8 lb/d all year
0011,2-DichloroethaneMO AVG <= 2600 ug/L all year
0011,2-DichloroethaneMO AVG <= 55 lb/d all year
001DibromochloromethaneDAILY MX report only all year
001ChloroformMO AVG <= 12000 ug/L all year
001ChloroformMO AVG <= 260 lb/d all year
001TolueneMO AVG <= 8000000 ug/L all year
001TolueneMO AVG <= 170000 lb/d all year
001BenzeneMO AVG <= 550 ug/L all year
001BenzeneMO AVG <= 12 lb/d all year
001AcroleinMO AVG <= 21000 ug/L all year
001AcroleinMO AVG <= 430 lb/d all year
001AcrylonitrileMO AVG <= 9.4 ug/L all year
001AcrylonitrileMO AVG <= .2 lb/d all year
001Bis[2-chloroethyl] etherMO AVG <= 4.2 ug/L all year
001Bis[2-chloroethyl] etherMO AVG <= .088 lb/d all year
001Bis[2-chloroethoxy]methaneMO AVG <= 410 ug/L all year
001Bis[2-chloroethoxy]methaneMO AVG <= 8.6 lb/d all year
001Bis[2-chloroisopropyl] etherMO AVG <= 110000 ug/L all year
001Bis[2-chloroisopropyl] etherMO AVG <= 2400 lb/d all year
001ChlorobenzeneMO AVG <= 54000 ug/L all year
001ChlorobenzeneMO AVG <= 1100 lb/d all year
001Diethyl phthalateMO AVG <= 3102000 ug/L all year
001Diethyl phthalateMO AVG <= 65000 lb/d all year
001Dimethyl phthalateMO AVG <= 77000000 ug/L all year
001Dimethyl phthalateMO AVG <= 1600000 lb/d all year
0011,2-DiphenylhydrazineMO AVG <= 15 ug/L all year
0011,2-DiphenylhydrazineMO AVG <= .31 lb/d all year
001EthylbenzeneMO AVG <= 390000 ug/L all year
001EthylbenzeneMO AVG <= 8000 lb/d all year
001FluorantheneMO AVG <= 1400 ug/L all year
001FluorantheneMO AVG <= 29 lb/d all year
001HexachlorocyclopentadieneMO AVG <= 5400 ug/L all year
001HexachlorocyclopentadieneMO AVG <= 110 lb/d all year
001HexachlorobutadieneMO AVG <= 1300 ug/L all year
001HexachlorobutadieneMO AVG <= 27 lb/d all year
001HexachloroethaneMO AVG <= 240 ug/L all year
001HexachloroethaneMO AVG <= 4.9 lb/d all year
001IsophoroneMO AVG <= 69000 ug/L all year
001IsophoroneMO AVG <= 1400 lb/d all year
001Methylene chlorideMO AVG <= 42000 ug/L all year
001Methylene chlorideMO AVG <= 880 lb/d all year
001N-Nitrosodi-N-propylamineMO AVG <= 36 ug/L all year
001N-Nitrosodi-N-propylamineMO AVG <= .74 lb/d all year
001N-NitrosodiphenylamineMO AVG <= 240 ug/L all year
001N-NitrosodiphenylamineMO AVG <= 4.9 lb/d all year
001N-Nitrosodimethylamine [NDMA]MO AVG <= 690 ug/L all year
001N-Nitrosodimethylamine [NDMA]MO AVG <= 14 lb/d all year
001NitrobenzeneMO AVG <= 460 ug/L all year
001NitrobenzeneMO AVG <= 9.6 lb/d all year
001TetrachloroethyleneMO AVG <= 190 ug/L all year
001TetrachloroethyleneMO AVG <= 3.9 lb/d all year
0011,1-DichloroethyleneMO AVG <= 85 ug/L all year
0011,1-DichloroethyleneMO AVG <= 1.8 lb/d all year
0011,1,1-TrichloroethaneMO AVG <= 51000000 ug/L all year
0011,1,1-TrichloroethaneMO AVG <= 1100000 lb/d all year
0011,1,2-TrichloroethaneMO AVG <= 880 ug/L all year
0011,1,2-TrichloroethaneMO AVG <= 18 lb/d all year
0011,1,2,2-TetrachloroethaneMO AVG <= 220 ug/L all year
0011,1,2,2-TetrachloroethaneMO AVG <= 4.5 lb/d all year
0011,4-DichlorobenzeneMO AVG <= 1700 ug/L all year
0011,4-DichlorobenzeneMO AVG <= 35 lb/d all year
0012,4-DinitrotolueneMO AVG <= 240 ug/L all year
0012,4-DinitrotolueneMO AVG <= 5.1 lb/d all year
0012,4-DinitrophenolMO AVG <= 380 ug/L all year
0012,4-DinitrophenolMO AVG <= 7.8 lb/d all year
0012,4,6-TrichlorophenolMO AVG <= 27 ug/L all year
0012,4,6-TrichlorophenolMO AVG <= .57 lb/d all year
0013,3'-DichlorobenzidineMO AVG <= .76 ug/L all year
0013,3'-DichlorobenzidineMO AVG <= .016 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 330 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 6.9 lb/d all year
001Di-n-butyl phthalateDAILY MX report only all year
001BenzidineMO AVG <= .0065 ug/L all year
001BenzidineMO AVG <= .00014 lb/d all year
001Vinyl chlorideMO AVG <= 3400 ug/L all year
001Vinyl chlorideMO AVG <= 71 lb/d all year
001TrichloroethyleneMO AVG <= 2500 ug/L all year
001TrichloroethyleneMO AVG <= 53 lb/d all year
001AldrinMO AVG <= .0021 ug/L all year
001AldrinMO AVG <= .000043 lb/d all year
001Chlordane [tech mix. and metabolites]MO AVG <= .0022 ug/L all year
001Chlordane [tech mix. and metabolites]MO AVG <= .000045 lb/d all year
001DDT/DDD/DDE, sum of p,p' & o,p' isomersMO AVG <= .016 ug/L all year
001DDT/DDD/DDE, sum of p,p' & o,p' isomersMO AVG <= .00033 lb/d all year
001DieldrinMO AVG <= .0038 ug/L all year
001DieldrinMO AVG <= .000078 lb/d all year
001Endosulfan, total6A <= .85 ug/L all year
001Endosulfan, totalINST MAX <= 2.5 ug/L all year
001Endosulfan, total6A <= .018 lb/d all year
001Endosulfan, totalINST MAX <= .053 lb/d all year
001Endrin6A <= .19 ug/L all year
001EndrinINST MAX <= .56 ug/L all year
001Endrin6A <= .0039 lb/d all year
001EndrinINST MAX <= .012 lb/d all year
001ToxapheneMO AVG <= .02 ug/L all year
001ToxapheneMO AVG <= .00041 lb/d all year
001HeptachlorMO AVG <= .0047 ug/L all year
001HeptachlorMO AVG <= .000098 lb/d all year
001Heptachlor epoxideMO AVG <= .0019 ug/L all year
001Heptachlor epoxideMO AVG <= .000039 lb/d all year
001HexachlorobenzeneMO AVG <= .02 ug/L all year
001HexachlorobenzeneMO AVG <= .00041 lb/d all year
001Flow, in conduit or thru treatment plantTOTAL report only all year
001Flow, in conduit or thru treatment plantTOTAL report only all year
001Flow, in conduit or thru treatment plantINST MAX report only all year
001Flow, in conduit or thru treatment plantINST MAX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMC report only all year
001Flow, in conduit or thru treatment plantMC report only all year
001Chlorine, total residual6A <= 190 ug/L all year
001Chlorine, total residual6A <= 190 ug/L all year
001Chlorine, total residualINST MAX <= 5600 ug/L all year
001Chlorine, total residualINST MAX <= 5600 ug/L all year
001Chlorine, total residualDAILY MX <= 750 ug/L all year
001Chlorine, total residualDAILY MX <= 750 ug/L all year
001Chlorine, total residual6A <= 3.9 lb/d all year
001Chlorine, total residual6A <= 3.9 lb/d all year
001Chlorine, total residualINST MAX <= 120 lb/d all year
001Chlorine, total residualINST MAX <= 120 lb/d all year
001Chlorine, total residualDAILY MX <= 16 lb/d all year
001Chlorine, total residualDAILY MX <= 16 lb/d all year
001Polychlorinated biphenyls [PCBs], sum of AroclorsMO AVG <= .0018 ug/L all year
001Polychlorinated biphenyls [PCBs], sum of AroclorsMO AVG <= .000037 lb/d all year
001Mercury, total recoverableDAILY MX report only all year
001Phenols, chlorinated6A <= 94 ug/L all year
001Phenols, chlorinatedINST MAX <= 940 ug/L all year
001Phenols, chlorinated6A <= 2 lb/d all year
001Phenols, chlorinatedINST MAX <= 20 lb/d all year
001Coliform, fecal generalMO AVG report only all year
001Coliform, fecal generalMO AVG report only all year
001Coliform, fecal generalDAILY MX report only all year
001Coliform, fecal generalDAILY MX report only all year
001Coliform, total general7C <= 23 MPN/100mL all year
001Coliform, total general7C <= 23 MPN/100mL all year
001Coliform, total generalINST MAX <= 2300 MPN/100mL all year
001Coliform, total generalINST MAX <= 2300 MPN/100mL all year
0011,3-DichloropropeneMO AVG <= 840 ug/L all year
0011,3-DichloropropeneMO AVG <= 17 lb/d all year
001Hexachlorocyclohexane, total6A <= .38 ug/L all year
001Hexachlorocyclohexane, totalINST MAX <= 1.1 ug/L all year
001Hexachlorocyclohexane, total6A <= .0078 lb/d all year
001Hexachlorocyclohexane, totalINST MAX <= .024 lb/d all year
001Phenolic compounds, unchlorinated6A <= 2800 ug/L all year
001Phenolic compounds, unchlorinatedINST MAX <= 28000 ug/L all year
001Phenolic compounds, unchlorinated6A <= 59 lb/d all year
001Phenolic compounds, unchlorinatedINST MAX <= 590 lb/d all year
001HalomethanesDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Chlorine usageMO AVG report only all year
001Chlorine usageMO AVG report only all year
001Chlorine usageDAILY MX report only all year
001Chlorine usageDAILY MX report only all year
001DichlorobenzeneMO AVG <= 480000 ug/L all year
001DichlorobenzeneMO AVG <= 10000 lb/d all year
001TCDD equivalentsMO AVG <= .00000037 ug/L all year
001TCDD equivalentsMO AVG <= .0000076 Tthlb/d all year
001TU Static 72Hr Chronic Strongyl. purpuratusDAILY MX <= 94 tox chronic all year
001Static 72Hr Chronic Dendraster excentricusDAILY MX <= 94 tox chronic all year
001TU Static 48Hr Chronic Macrocystis pyriferaDAILY MX <= 94 tox chronic all year
001TU Static 48Hr Chronic Crassostrea gigasDAILY MX <= 94 tox chronic all year
001TU Static 48Hr Chronic Haliotis rufescensDAILY MX <= 94 tox chronic all year
001Static 48Hr Chronic Mytilis SpeciesDAILY MX <= 94 tox chronic all year
001TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)DAILY MX <= 94 tox chronic all year
001TU Static Renewal 7-Day Chronic Holmesimysis costataDAILY MX <= 94 tox chronic all year
001TU Static Renewal 7-Day Chronic Menidia beryllinaDAILY MX <= 94 tox chronic all year
001Toxic Units Static Renewal 7-Day Chronic Atherinops affinis DAILY MX <= 94 tox chronic all year
001TU Static 20Min Chronic Strongyl. purpuratusDAILY MX <= 94 tox chronic all year
001Static 20Min Chronic Dendraster excentricusDAILY MX <= 94 tox chronic all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CDAILY MX report only all year
INFBOD, 5-day, 20 deg. CDAILY MX report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CDAILY MX report only all year
INFBOD, 5-day, 20 deg. CDAILY MX report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedDAILY MX report only all year
INFFlow, in conduit or thru treatment plantTOTAL report only all year
INFFlow, in conduit or thru treatment plantTOTAL report only all year
INFFlow, in conduit or thru treatment plantDAILY MX report only all year
INFFlow, in conduit or thru treatment plantDAILY MX report only all year
INFFlow, in conduit or thru treatment plantINST MAX report only all year
INFFlow, in conduit or thru treatment plantINST MAX report only all year
INFFlow, in conduit or thru treatment plantMC report only all year
INFFlow, in conduit or thru treatment plantMC report only all year

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