Montecito Sanitary District

NPDES permit CA0047899 · Major POTW · effective, expires 2027-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

1values over a limit
0required values missing, on 0 form(s)
0of 27 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, total general (1).

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 (251)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX report only all year
001TurbidityMO AVG <= 75 NTU all year
001TurbidityWKLY AVG <= 100 NTU all year
001TurbidityINST MAX <= 225 NTU all year
001RadioactivityDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX <= 90 mg/L all year
001Solids, total suspendedMO AVG <= 380 lb/d all year
001Solids, total suspendedWKLY AVG <= 560 lb/d all year
001Solids, total suspendedDAILY MX <= 1100 lb/d all year
001Solids, settleableMO AVG <= 1 mL/L all year
001Solids, settleableWKLY AVG <= 1.5 mL/L all year
001Solids, settleableINST MAX <= 3 mL/L all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Cyanide, total [as CN]6A <= 90 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 360 ug/L all year
001Cyanide, total [as CN]INST MAX <= 900 ug/L all year
001Cyanide, total [as CN]6A <= 1.1 lb/d all year
001Cyanide, total [as CN]DAILY MX <= 4.5 lb/d all year
001Cyanide, total [as CN]INST MAX <= 11 lb/d all year
001Arsenic, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Thallium, total recoverable30DA AVG <= 180 ug/L all year
001Thallium, total recoverable30DA AVG <= 2.3 lb/d all year
001Beryllium, total recoverable [as Be]30DA AVG <= 3 ug/L all year
001Beryllium, total recoverable [as Be]30DA AVG <= .037 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, trivalent [as Cr]30DA AVG <= 17000000 ug/L all year
001Chromium, trivalent [as Cr]30DA AVG <= 210000 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
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 greaseWKLY AVG <= 40 mg/L all year
001Oil and greaseDAILY MX <= 75 mg/L all year
001Oil and greaseMO AVG <= 310 lb/d all year
001Oil and greaseWKLY AVG <= 500 lb/d all year
001Oil and greaseINST MAX <= 940 lb/d all year
0012-Methyl-4,6-dinitrophenol30DA AVG <= 20000 ug/L all year
0012-Methyl-4,6-dinitrophenol30DA AVG <= 250 lb/d all year
001Tributyltin30DA AVG <= .13 ug/L all year
001Tributyltin30DA AVG <= .0016 lb/d all year
001Polynuclear Aromatic Hydrocarbons [PAHs]30DA AVG <= .79 ug/L all year
001Polynuclear Aromatic Hydrocarbons [PAHs]30DA AVG <= .0099 lb/d all year
001DichlorobromomethaneDAILY MX report only all year
001Carbon tetrachloride30DA AVG <= 81 ug/L all year
001Carbon tetrachloride30DA AVG <= 1 lb/d all year
0011,2-Dichloroethane30DA AVG <= 2500 ug/L all year
0011,2-Dichloroethane30DA AVG <= 32 lb/d all year
001BromoformDAILY MX report only all year
001BromoformDAILY MX report only all year
001DibromochloromethaneDAILY MX report only all year
001ChloroformDAILY MX report only all year
001Toluene30DA AVG <= 7700000 ug/L all year
001Toluene30DA AVG <= 96000 lb/d all year
001Benzene30DA AVG <= 530 ug/L all year
001Benzene30DA AVG <= 6.6 lb/d all year
001Acrolein30DA AVG <= 20000 ug/L all year
001Acrolein30DA AVG <= 250 lb/d all year
001Acrylonitrile30DA AVG <= 9 ug/L all year
001Acrylonitrile30DA AVG <= .11 lb/d all year
001Bis[2-chloroethyl] ether30DA AVG <= 4.1 ug/L all year
001Bis[2-chloroethyl] ether30DA AVG <= .051 lb/d all year
001Bis[2-chloroethoxy]methane30DA AVG <= 400 ug/L all year
001Bis[2-chloroethoxy]methane30DA AVG <= 5 lb/d all year
001Bis[2-chloroisopropyl] ether30DA AVG <= 110000 ug/L all year
001Bis[2-chloroisopropyl] ether30DA AVG <= 1400 lb/d all year
001Chlorobenzene30DA AVG <= 51000 ug/L all year
001Chlorobenzene30DA AVG <= 640 lb/d all year
001Diethyl phthalate30DA AVG <= 2300000 ug/L all year
001Diethyl phthalate30DA AVG <= 37000 lb/d all year
001Dimethyl phthalate30DA AVG <= 74000000 ug/L all year
001Dimethyl phthalate30DA AVG <= 920000 lb/d all year
0011,2-Diphenylhydrazine30DA AVG <= 14 ug/L all year
0011,2-Diphenylhydrazine30DA AVG <= .18 lb/d all year
001Ethylbenzene30DA AVG <= 370000 ug/L all year
001Ethylbenzene30DA AVG <= 4600 lb/d all year
001Fluoranthene30DA AVG <= 1400 ug/L all year
001Fluoranthene30DA AVG <= 17 lb/d all year
001Hexachlorocyclopentadiene30DA AVG <= 5200 ug/L all year
001Hexachlorocyclopentadiene30DA AVG <= 65 lb/d all year
001Hexachlorobutadiene30DA AVG <= 1300 ug/L all year
001Hexachlorobutadiene30DA AVG <= 16 lb/d all year
001Hexachloroethane30DA AVG <= 230 ug/L all year
001Hexachloroethane30DA AVG <= 2.8 lb/d all year
001Isophorone30DA AVG <= 66000 ug/L all year
001Isophorone30DA AVG <= 820 lb/d all year
001Methyl bromide [Bromomethane]DAILY MX report only all year
001Methyl bromide [Bromomethane]DAILY MX report only all year
001Methyl chloride [Chloromethane]DAILY MX report only all year
001Methyl chloride [Chloromethane]DAILY MX report only all year
001Methylene chloride30DA AVG <= 41000 ug/L all year
001Methylene chloride30DA AVG <= 510 lb/d all year
001N-Nitrosodi-N-propylamine30DA AVG <= 34 ug/L all year
001N-Nitrosodi-N-propylamine30DA AVG <= .43 lb/d all year
001N-Nitrosodiphenylamine30DA AVG <= 230 ug/L all year
001N-Nitrosodiphenylamine30DA AVG <= 2.8 lb/d all year
001N-Nitrosodimethylamine [NDMA]30DA AVG <= 660 ug/L all year
001N-Nitrosodimethylamine [NDMA]30DA AVG <= 8.2 lb/d all year
001Nitrobenzene30DA AVG <= 440 ug/L all year
001Nitrobenzene30DA AVG <= 5.5 lb/d all year
001Tetrachloroethylene30DA AVG <= 180 ug/L all year
001Tetrachloroethylene30DA AVG <= 2.3 lb/d all year
0011,1-Dichloroethylene30DA AVG <= 81 ug/L all year
0011,1-Dichloroethylene30DA AVG <= 1 lb/d all year
0011,1,1-Trichloroethane30DA AVG <= 49000000 ug/L all year
0011,1,1-Trichloroethane30DA AVG <= 610000 lb/d all year
0011,1,2-Trichloroethane30DA AVG <= 850 ug/L all year
0011,1,2-Trichloroethane30DA AVG <= 11 lb/d all year
0011,1,2,2-Tetrachloroethane30DA AVG <= 210 ug/L all year
0011,1,2,2-Tetrachloroethane30DA AVG <= 2.6 lb/d all year
0011,4-Dichlorobenzene30DA AVG <= 1600 ug/L all year
0011,4-Dichlorobenzene30DA AVG <= 20 lb/d all year
0012,4-Dinitrotoluene30DA AVG <= 230 ug/L all year
0012,4-Dinitrotoluene30DA AVG <= 2.9 lb/d all year
0012,4-Dinitrophenol30DA AVG <= 360 ug/L all year
0012,4-Dinitrophenol30DA AVG <= 4.5 lb/d all year
0012,4,6-Trichlorophenol30DA AVG <= 26 ug/L all year
0012,4,6-Trichlorophenol30DA AVG <= .33 lb/d all year
0013,3'-Dichlorobenzidine30DA AVG <= .73 ug/L all year
0013,3'-Dichlorobenzidine30DA AVG <= .0091 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
001Di-n-butyl phthalate30DA AVG <= 320000 ug/L all year
001Di-n-butyl phthalate30DA AVG <= 3900 lb/d all year
001Benzidine30DA AVG <= .0062 ug/L all year
001Benzidine30DA AVG <= .000078 lb/d all year
001Vinyl chloride30DA AVG <= 3200 ug/L all year
001Vinyl chloride30DA AVG <= 41 lb/d all year
001Trichloroethylene30DA AVG <= 2400 ug/L all year
001Trichloroethylene30DA AVG <= 30 lb/d all year
001Aldrin30DA AVG <= .002 ug/L all year
001Aldrin30DA AVG <= .000025 lb/d all year
001Chlordane [tech mix. and metabolites]30DA AVG <= .0021 ug/L all year
001Chlordane [tech mix. and metabolites]30DA AVG <= .000026 lb/d all year
001DDT/DDD/DDE, sum of p,p' & o,p' isomers30DA AVG <= .015 ug/L all year
001DDT/DDD/DDE, sum of p,p' & o,p' isomers30DA AVG <= .00019 lb/d all year
001Dieldrin30DA AVG <= .0036 ug/L all year
001Dieldrin30DA AVG <= .000045 lb/d all year
001Endosulfan, total6A <= .81 ug/L all year
001Endosulfan, totalDAILY MX <= 1.6 ug/L all year
001Endosulfan, totalINST MAX <= 2.4 ug/L all year
001Endosulfan, total6A <= .01 lb/d all year
001Endosulfan, totalDAILY MX <= .02 lb/d all year
001Endosulfan, totalINST MAX <= .03 lb/d all year
001Endrin6A <= .18 ug/L all year
001EndrinDAILY MX <= .36 ug/L all year
001EndrinINST MAX <= .54 ug/L all year
001Endrin6A <= .0023 lb/d all year
001EndrinDAILY MX <= .0045 lb/d all year
001EndrinINST MAX <= .0068 lb/d all year
001Toxaphene30DA AVG <= .019 ug/L all year
001Toxaphene30DA AVG <= .00024 lb/d all year
001Heptachlor30DA AVG <= .0045 ug/L all year
001Heptachlor30DA AVG <= .000056 lb/d all year
001Heptachlor epoxide30DA AVG <= .0018 ug/L all year
001Heptachlor epoxide30DA AVG <= .000023 lb/d all year
001Polychlorinated biphenyls [PCBs]30DA AVG <= .0017 ug/L all year
001Polychlorinated biphenyls [PCBs]30DA AVG <= .000021 lb/d all year
001Hexachlorobenzene30DA AVG <= .019 ug/L all year
001Hexachlorobenzene30DA AVG <= .00024 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residual6A <= 180 ug/L all year
001Chlorine, total residualDAILY MX <= 720 ug/L all year
001Chlorine, total residualINST MAX <= 5400 ug/L all year
001Chlorine, total residual6A <= 2.2 lb/d all year
001Chlorine, total residualDAILY MX <= 9 lb/d all year
001Chlorine, total residualINST MAX <= 68 lb/d all year
001Flow, totalTOTAL report only all year
001Mercury, total recoverableDAILY MX report only all year
001Phenols, chlorinated6A <= 90 ug/L all year
001Phenols, chlorinatedDAILY MX <= 360 ug/L all year
001Phenols, chlorinatedINST MAX <= 900 ug/L all year
001Phenols, chlorinated6A <= 1.1 lb/d all year
001Phenols, chlorinatedDAILY MX <= 4.5 lb/d all year
001Phenols, chlorinatedINST MAX <= 11 lb/d all year
001Coliform, fecal generalMO AVG report only all year
001Coliform, fecal generalDAILY MX report only all year
001Coliform, total general7C <= 23 MPN/100mL all year
001Coliform, total generalINST MAX <= 2300 MPN/100mL all year
0011,3-Dichloropropene30DA AVG <= 800 ug/L all year
0011,3-Dichloropropene30DA AVG <= 10 lb/d all year
001Hexachlorocyclohexane, total6A <= .36 ug/L all year
001Hexachlorocyclohexane, totalDAILY MX <= .72 ug/L all year
001Hexachlorocyclohexane, totalINST MAX <= 1.1 ug/L all year
001Hexachlorocyclohexane, total6A <= .0045 lb/d all year
001Hexachlorocyclohexane, totalDAILY MX <= .009 lb/d all year
001Hexachlorocyclohexane, totalINST MAX <= .014 lb/d all year
001Phenolic compounds, unchlorinated6A <= 2700 ug/L all year
001Phenolic compounds, unchlorinatedDAILY MX <= 11000 ug/L all year
001Phenolic compounds, unchlorinatedINST MAX <= 27000 ug/L all year
001Phenolic compounds, unchlorinated6A <= 34 lb/d all year
001Phenolic compounds, unchlorinatedDAILY MX <= 140 lb/d all year
001Phenolic compounds, unchlorinatedINST MAX <= 340 lb/d all year
001Halomethanes30DA AVG <= 12000 ug/L all year
001Halomethanes30DA AVG <= 12000 ug/L all year
001HalomethanesDAILY MX report only all year
001HalomethanesDAILY MX report only all year
001Halomethanes30DA AVG <= 150 lb/d all year
001Halomethanes30DA AVG <= 150 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 85 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 310 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 500 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1100 lb/d all year
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Chlorine usageMO AVG report only all year
001Chlorine usageDAILY MX report only all year
001Dichlorobenzene30DA AVG <= 460000 ug/L all year
001Dichlorobenzene30DA AVG <= 5700 lb/d all year
001TCDD equivalents30DA AVG <= .00035 ng/L all year
001TCDD equivalents30DA AVG <= .0000044 Tthlb/d all year
001TU Static 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MX report only all year
001Static 96Hr Acute Holmesimysis costataDAILY MX report only all year
001TU Static 96Hr Acute Cyprinodon variegatusDAILY MX report only all year
001TU Static 96Hr Acute Medinia beryllinaDAILY MX report only all year
001TU Static 48Hr Chronic Macrocystis pyriferaAVERAGE report only all year
001TU Static 48Hr Chronic Macrocystis pyriferaDAILY MX report only all year
001TU Static 48Hr Chronic Crassostrea gigasAVERAGE report only all year
001TU Static 48Hr Chronic Crassostrea gigasDAILY MX report only all year
001TU Static 48Hr Chronic Haliotis rufescensAVERAGE report only all year
001TU Static 48Hr Chronic Haliotis rufescensDAILY MX report only all year
001Static 48Hr Chronic Mytilis SpeciesAVERAGE report only all year
001Static 48Hr Chronic Mytilis SpeciesDAILY MX report only all year
001TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)AVERAGE report only all year
001TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)DAILY MX report only all year
001TU Static Renewal 7-Day Chronic Holmesimysis costataAVERAGE report only all year
001TU Static Renewal 7-Day Chronic Holmesimysis costataDAILY MX report only all year
001TU Static Renewal 7-Day Chronic Menidia beryllinaAVERAGE report only all year
001TU Static Renewal 7-Day Chronic Menidia beryllinaDAILY MX report only all year
001Toxic Units Static Renewal 7-Day Chronic Atherinops affinis AVERAGE report only all year
001Toxic Units Static Renewal 7-Day Chronic Atherinops affinis DAILY MX report only all year
001TU Static 20Min Chronic Strongyl. purpuratusAVERAGE report only all year
001TU Static 20Min Chronic Strongyl. purpuratusDAILY MX report only all year
001Static 20Min Chronic Dendraster excentricusAVERAGE report only all year
001Static 20Min Chronic Dendraster excentricusDAILY MX report only all year
INFSolids, total suspendedDAILY MX report only all year
INFFlow, in conduit or thru treatment plantDAILY AV report only all year
INFFlow, in conduit or thru treatment plantDAILY MX report only all year
INFFlow, totalTOTAL report only all year
INFBOD, carbonaceous [5 day, 20 C]DAILY 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