Avila Beach CSD and Port San Luis Harbor District

NPDES permit CA0047830 · Minor POTW · expired, expires 2022-11-30 · 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 2022-11-30 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)
3of 21 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 (198)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX report only all year
001TurbidityMO AVG <= 75 NTU all year
001TurbidityWKLY AVG <= 100 NTU all year
001TurbidityDAILY MX <= 225 NTU all year
001RadioactivityDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 40 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 60 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 90 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 40 mg/L all year
001Solids, total suspendedWKLY AVG <= 60 mg/L all year
001Solids, total suspendedDAILY MX <= 90 mg/L all year
001Solids, settleableMO AVG <= 1 mL/L all year
001Solids, settleableWKLY AVG <= 1.5 mL/L all year
001Solids, settleableDAILY MX <= 3 mL/L all year
001Nitrogen, ammonia total [as N]6A <= 91000 ug/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 360000 ug/L all year
001Nitrogen, ammonia total [as N]INST MAX <= 910000 ug/L all year
001Cyanide, total [as CN]6A <= 150 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 610 ug/L all year
001Cyanide, total [as CN]INST MAX <= 1500 ug/L all year
001Arsenic, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Thallium, total recoverableMO AVG <= 300 ug/L all year
001Beryllium, total recoverable [as Be]MO AVG <= 5 ug/L all year
001Chromium, hexavalent [as Cr]6A <= 300 ug/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 1200 ug/L all year
001Chromium, hexavalent [as Cr]INST MAX <= 3000 ug/L all year
001Chromium, trivalent [as Cr]MO AVG <= 29000000 ug/L all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverable6A <= 82 ug/L all year
001Silver total recoverableDAILY MX <= 400 ug/L all year
001Silver total recoverableINST MAX <= 1000 ug/L all year
001Zinc, total recoverable6A <= 1800 ug/L all year
001Zinc, total recoverableDAILY MX <= 11000 ug/L all year
001Zinc, total recoverableINST MAX <= 29000 ug/L all year
001Cadmium, total recoverable6A <= 150 ug/L all year
001Cadmium, total recoverableDAILY MX <= 610 ug/L all year
001Cadmium, total recoverableINST MAX <= 1500 ug/L all year
001Lead, total recoverable6A <= 300 ug/L all year
001Lead, total recoverableDAILY MX <= 1200 ug/L all year
001Lead, total recoverableINST MAX <= 3000 ug/L all year
001Copper, total recoverable6A <= 150 ug/L all year
001Copper, total recoverableDAILY MX <= 1500 ug/L all year
001Copper, total recoverableINST MAX <= 4300 ug/L all year
001Antimony, total recoverableMO AVG <= 180000 ug/L 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
0012-Methyl-4,6-dinitrophenolMO AVG <= 33000 ug/L all year
001TributyltinMO AVG <= .21 ug/L all year
001Polynuclear Aromatic Hydrocarbons [PAHs]MO AVG <= 1.3 ug/L all year
001DichlorobromomethaneMO AVG <= 940 ug/L all year
001Carbon tetrachlorideMO AVG <= 140 ug/L all year
0011,2-DichloroethaneMO AVG <= 4300 ug/L all year
001BromoformDAILY MX report only all year
001DibromochloromethaneMO AVG <= 1300 ug/L all year
001ChloroformDAILY MX report only all year
001TolueneDAILY MX report only all year
001BenzeneMO AVG <= 900 ug/L all year
001AcenaphthyleneDAILY MX report only all year
001AcenaphtheneDAILY MX report only all year
001AcroleinMO AVG <= 33000 ug/L all year
001AcrylonitrileMO AVG <= 15 ug/L all year
001AnthraceneDAILY MX report only all year
001Benzo[b]fluorantheneDAILY MX report only all year
001Benzo[k]fluorantheneDAILY MX report only all year
001Benzo[a]pyreneDAILY MX report only all year
001Bis[2-chloroethyl] etherMO AVG <= 6.8 ug/L all year
001Bis[2-chloroethoxy]methaneMO AVG <= 670 ug/L all year
001Bis[2-chloroisopropyl] etherMO AVG <= 180000 ug/L all year
001Butyl benzyl phthalateDAILY MX report only all year
001ChlorobenzeneMO AVG <= 87000 ug/L all year
001ChryseneDAILY MX report only all year
001Diethyl phthalateMO AVG <= 5000000 ug/L all year
001Dimethyl phthalateMO AVG <= 120000 mg/L all year
0011,2-DiphenylhydrazineMO AVG <= 24 ug/L all year
001EthylbenzeneMO AVG <= 620000 ug/L all year
001FluorantheneMO AVG <= 2300 ug/L all year
001FluoreneDAILY MX report only all year
001HexachlorocyclopentadieneMO AVG <= 8800 ug/L all year
001HexachlorobutadieneMO AVG <= 2100 ug/L all year
001HexachloroethaneMO AVG <= 380 ug/L all year
001Indeno[1,2,3-cd]pyreneDAILY MX report only all year
001IsophoroneMO AVG <= 110000 ug/L all year
001Methyl bromide [Bromomethane]DAILY MX report only all year
001Methyl chloride [Chloromethane]DAILY MX report only all year
001Methylene chlorideMO AVG <= 68000 ug/L all year
001N-Nitrosodi-N-propylamineMO AVG <= 58 ug/L all year
001N-NitrosodiphenylamineMO AVG <= 380 ug/L all year
001N-Nitrosodimethylamine [NDMA]MO AVG <= 1100 ug/L all year
001NitrobenzeneMO AVG <= 740 ug/L all year
001PhenanthreneDAILY MX report only all year
001PyreneDAILY MX report only all year
001TetrachloroethyleneMO AVG <= 300 ug/L all year
0011,1-DichloroethaneDAILY MX report only all year
0011,1-DichloroethyleneMO AVG <= 140 ug/L all year
0011,1,1-TrichloroethaneMO AVG <= 82000000 ug/L all year
0011,1,2-TrichloroethaneMO AVG <= 1400 ug/L all year
0011,1,2,2-TetrachloroethaneMO AVG <= 350 ug/L all year
001Benzo[ghi]peryleneDAILY MX report only all year
001Benzo[a]anthraceneDAILY MX report only all year
0011,2-DichloropropaneDAILY MX report only all year
001trans-1,2-DichloroethyleneDAILY MX report only all year
0011,2,4-TrichlorobenzeneDAILY MX report only all year
001Dibenz[a,h]anthraceneDAILY MX report only all year
0011,4-DichlorobenzeneMO AVG <= 2700 ug/L all year
0012-Chloroethyl vinyl ether, [mixed]DAILY MX report only all year
0012-ChloronaphthaleneDAILY MX report only all year
0012-ChlorophenolDAILY MX report only all year
0012-NitrophenolDAILY MX report only all year
001Di-n-octyl phthalateDAILY MX report only all year
0012,4-DichlorophenolDAILY MX report only all year
0012,4-DimethylphenolDAILY MX report only all year
0012,4-DinitrotolueneMO AVG <= 400 ug/L all year
0012,4-DinitrophenolMO AVG <= 610 ug/L all year
0012,4,6-TrichlorophenolMO AVG <= 44 ug/L all year
0012,6-DinitrotolueneDAILY MX report only all year
0013,3'-DichlorobenzidineMO AVG <= 1.2 ug/L all year
0014-Bromophenyl phenyl etherDAILY MX report only all year
0014-Chlorophenyl phenyl etherDAILY MX report only all year
0014-NitrophenolDAILY MX report only all year
0014,6-Dinitro-o-cresolDAILY MX report only all year
001PhenolDAILY MX report only all year
001NaphthaleneDAILY MX report only all year
001PentachlorophenolDAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 530 ug/L all year
001Di-n-butyl phthalateMO AVG <= 530000 ug/L all year
001BenzidineMO AVG <= .01 ug/L all year
001Vinyl chlorideMO AVG <= 5500 ug/L all year
001TrichloroethyleneMO AVG <= 4100 ug/L all year
001AldrinMO AVG <= .0033 ug/L all year
001Chlordane [tech mix. and metabolites]MO AVG <= .0035 ug/L all year
001DDT/DDD/DDE, sum of p,p' & o,p' isomersMO AVG <= .026 ug/L all year
001DieldrinMO AVG <= .0061 ug/L all year
001Endosulfan, total6A <= 1.4 ug/L all year
001Endosulfan, totalDAILY MX <= 2.7 ug/L all year
001Endosulfan, totalINST MAX <= 4.1 ug/L all year
001Endrin6A <= .3 ug/L all year
001EndrinDAILY MX <= .61 ug/L all year
001EndrinINST MAX <= .91 ug/L all year
001ToxapheneMO AVG <= .032 ug/L all year
001HeptachlorMO AVG <= .0076 ug/L all year
001Heptachlor epoxideMO AVG <= .003 ug/L all year
001HexachlorobenzeneMO AVG <= .032 ug/L all year
001Flow, in conduit or thru treatment plantTOTAL 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
001Chlorine, total residual6A <= 300 ug/L all year
001Chlorine, total residualDAILY MX <= 1200 ug/L all year
001Chlorine, total residualINST MAX <= 9100 ug/L all year
001Polychlorinated biphenyls [PCBs], sum of AroclorsMO AVG <= .0029 ug/L all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total recoverable6A <= 6 ug/L all year
001Mercury, total recoverableDAILY MX <= 24 ug/L all year
001Mercury, total recoverableINST MAX <= 61 ug/L all year
001Phenols, chlorinated6A <= 150 ug/L all year
001Phenols, chlorinatedDAILY MX <= 610 ug/L all year
001Phenols, chlorinatedINST MAX <= 1500 ug/L all year
001Coliform, total general7C <= 23 MPN/100mL all year
001Coliform, total generalMW <= 2400 MPN/100mL all year
0011,3-DichloropropeneMO AVG <= 1400 ug/L all year
001Hexachlorocyclohexane, total6A <= .61 ug/L all year
001Hexachlorocyclohexane, totalDAILY MX <= 1.2 ug/L all year
001Hexachlorocyclohexane, totalINST MAX <= 1.8 ug/L all year
001Phenolic compounds, unchlorinated6A <= 4600 ug/L all year
001Phenolic compounds, unchlorinatedDAILY MX <= 18000 ug/L all year
001Phenolic compounds, unchlorinatedINST MAX <= 46000 ug/L all year
001HalomethanesMO AVG <= 20000 ug/L all year
001BOD, 5-day, percent removalMO AV MN >= 75 % all year
001Solids, suspended percent removalMO AV MN >= 75 % all year
001DichlorobenzeneMO AVG <= 780000 ug/L all year
001p-Chloro-m-cresolDAILY MX report only all year
001TCDD equivalentsMO AVG <= .00000059 ug/L all year
001ChloroethaneDAILY MX report only all year
001TU Static 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MX <= 4.8 tox acute all year
001Static 96Hr Acute Holmesimysis costataDAILY MX <= 4.8 tox acute all year
001TU Static 96Hr Acute Cyprinodon variegatusDAILY MX <= 4.8 tox acute all year
001TU Static 96Hr Acute Medinia beryllinaDAILY MX <= 4.8 tox acute all year
001TU Static 72Hr Chronic Strongyl. purpuratusDAILY MX <= 150 tox chronic all year
001Static 72Hr Chronic Dendraster excentricusDAILY MX <= 150 tox chronic all year
001TU Static 48Hr Chronic Macrocystis pyriferaDAILY MX <= 150 tox chronic all year
001TU Static 48Hr Chronic Crassostrea gigasDAILY MX <= 150 tox chronic all year
001TU Static 48Hr Chronic Haliotis rufescensDAILY MX <= 150 tox chronic all year
001Static 48Hr Chronic Mytilis SpeciesDAILY MX <= 150 tox chronic all year
001TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)DAILY MX <= 150 tox chronic all year
001TU Static Renewal 7-Day Chronic Holmesimysis costataDAILY MX <= 150 tox chronic all year
001TU Static Renewal 7-Day Chronic Menidia beryllinaDAILY MX <= 150 tox chronic all year
001Toxic Units Static Renewal 7-Day Chronic Atherinops affinis DAILY MX <= 150 tox chronic all year
001TU Static 20Min Chronic Strongyl. purpuratusDAILY MX <= 150 tox chronic all year
001Static 20Min Chronic Dendraster excentricusDAILY MX <= 150 tox chronic all year
INF1BOD, 5-day, 20 deg. CMO AVG report only all year
INF1BOD, 5-day, 20 deg. CDAILY MX report only all year
INF1Solids, total suspendedMO AVG report only all year
INF1Solids, total suspendedDAILY MX report only all year
INF2Volume, totalTOTAL report only all year
INF2Volume, totalTOTAL 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