Encina Wastewater Authority

NPDES permit CA0107395 · Major POTW · expired, expires 2023-10-31 · 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 2023-10-31 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)
13of 54 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 (268)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX report only all year
001RadioactivityDAILY MX report only all year
001Oxygen, dissolved [DO]INST MIN report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Thallium, total recoverableDAILY MX report only all year
001Thallium, total recoverableDAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, trivalent [as Cr]DAILY MX report only all year
001Chromium, trivalent [as Cr]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, 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
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
0012-Methyl-4,6-dinitrophenolDAILY MX report only all year
0012-Methyl-4,6-dinitrophenolDAILY MX report only all year
001TributyltinDAILY MX report only all year
001TributyltinDAILY MX report only all year
001Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX report only all year
001Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX report only all year
001DichlorobromomethaneDAILY MX report only all year
001DichlorobromomethaneDAILY MX report only all year
001Carbon tetrachlorideDAILY MX report only all year
001Carbon tetrachlorideDAILY MX report only all year
0011,2-DichloroethaneDAILY MX report only all year
0011,2-DichloroethaneDAILY MX report only all year
001DibromochloromethaneDAILY MX report only all year
001DibromochloromethaneDAILY MX report only all year
001ChloroformDAILY MX report only all year
001ChloroformDAILY MX report only all year
001TolueneDAILY MX report only all year
001TolueneDAILY MX report only all year
001BenzeneDAILY MX report only all year
001BenzeneDAILY MX report only all year
001AcroleinDAILY MX report only all year
001AcroleinDAILY MX report only all year
001AcrylonitrileDAILY MX report only all year
001AcrylonitrileDAILY MX report only all year
001Bis[2-chloroethyl] etherDAILY MX report only all year
001Bis[2-chloroethyl] etherDAILY MX report only all year
001Bis[2-chloroethoxy]methaneDAILY MX report only all year
001Bis[2-chloroethoxy]methaneDAILY MX report only all year
001Bis[2-chloroisopropyl] etherDAILY MX report only all year
001Bis[2-chloroisopropyl] etherDAILY MX report only all year
001ChlorobenzeneDAILY MX report only all year
001ChlorobenzeneDAILY MX report only all year
001Diethyl phthalateDAILY MX report only all year
001Diethyl phthalateDAILY MX report only all year
001Dimethyl phthalateDAILY MX report only all year
001Dimethyl phthalateDAILY MX report only all year
0011,2-DiphenylhydrazineDAILY MX report only all year
0011,2-DiphenylhydrazineDAILY MX report only all year
001EthylbenzeneDAILY MX report only all year
001EthylbenzeneDAILY MX report only all year
001FluorantheneDAILY MX report only all year
001FluorantheneDAILY MX report only all year
001HexachlorocyclopentadieneDAILY MX report only all year
001HexachlorocyclopentadieneDAILY MX report only all year
001HexachlorobutadieneDAILY MX report only all year
001HexachlorobutadieneDAILY MX report only all year
001HexachloroethaneDAILY MX report only all year
001HexachloroethaneDAILY MX report only all year
001IsophoroneDAILY MX report only all year
001IsophoroneDAILY MX report only all year
001Methylene chlorideDAILY MX report only all year
001Methylene chlorideDAILY MX report only all year
001N-Nitrosodi-N-propylamineDAILY MX report only all year
001N-Nitrosodi-N-propylamineDAILY MX report only all year
001N-NitrosodiphenylamineDAILY MX report only all year
001N-NitrosodiphenylamineDAILY MX report only all year
001N-Nitrosodimethylamine [NDMA]DAILY MX report only all year
001N-Nitrosodimethylamine [NDMA]DAILY MX report only all year
001NitrobenzeneDAILY MX report only all year
001NitrobenzeneDAILY MX report only all year
001TetrachloroethyleneDAILY MX report only all year
001TetrachloroethyleneDAILY MX report only all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneDAILY MX report only all year
0011,1,2,2-TetrachloroethaneDAILY MX report only all year
0011,1,2,2-TetrachloroethaneDAILY MX report only all year
0011,4-DichlorobenzeneDAILY MX report only all year
0011,4-DichlorobenzeneDAILY MX report only all year
0012,4-DinitrotolueneDAILY MX report only all year
0012,4-DinitrotolueneDAILY MX report only all year
0012,4-DinitrophenolDAILY MX report only all year
0012,4-DinitrophenolDAILY MX report only all year
0012,4,6-TrichlorophenolDAILY MX report only all year
0012,4,6-TrichlorophenolDAILY MX report only all year
0013,3'-DichlorobenzidineDAILY MX report only all year
0013,3'-DichlorobenzidineDAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
001Di-n-butyl phthalateDAILY MX report only all year
001Di-n-butyl phthalateDAILY MX report only all year
001BenzidineDAILY MX report only all year
001BenzidineDAILY MX report only all year
001Vinyl chlorideDAILY MX report only all year
001Vinyl chlorideDAILY MX report only all year
001TrichloroethyleneDAILY MX report only all year
001TrichloroethyleneDAILY MX report only all year
001AldrinDAILY MX report only all year
001AldrinDAILY MX report only all year
001Chlordane [tech mix. and metabolites]DAILY MX report only all year
001Chlordane [tech mix. and metabolites]DAILY MX report only all year
001DDT/DDD/DDE, sum of p,p' & o,p' isomersDAILY MX report only all year
001DDT/DDD/DDE, sum of p,p' & o,p' isomersDAILY MX report only all year
001DieldrinDAILY MX report only all year
001DieldrinDAILY MX report only all year
001Endosulfan, totalDAILY MX report only all year
001Endosulfan, totalDAILY MX report only all year
001EndrinDAILY MX report only all year
001EndrinDAILY MX report only all year
001ToxapheneDAILY MX report only all year
001ToxapheneDAILY MX report only all year
001HeptachlorDAILY MX report only all year
001HeptachlorDAILY MX report only all year
001Heptachlor epoxideDAILY MX report only all year
001Heptachlor epoxideDAILY MX report only all year
001Polychlorinated biphenyls [PCBs]DAILY MX report only all year
001Polychlorinated biphenyls [PCBs]DAILY MX report only all year
001HexachlorobenzeneDAILY MX report only all year
001HexachlorobenzeneDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 43.3 MGD May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG <= 52.6 MGD Jan, Feb, Mar, Apr, Nov, Dec
001Chlorine, total residual6A <= 290 ug/L all year
001Chlorine, total residualDAILY MX <= 1200 ug/L all year
001Chlorine, total residualINST MAX <= 8700 ug/L all year
001Chlorine, total residual6A <= 100 lb/d all year
001Chlorine, total residualDAILY MX <= 420 lb/d all year
001EnterococciDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
001Phenols, chlorinatedDAILY MX report only all year
001Phenols, chlorinatedDAILY MX report only all year
001Coliform, fecal generalDAILY MX report only all year
001Coliform, total generalDAILY MX report only all year
0011,3-DichloropropeneDAILY MX report only all year
0011,3-DichloropropeneDAILY MX report only all year
001Hexachlorocyclohexane, totalDAILY MX report only all year
001Hexachlorocyclohexane, totalDAILY MX report only all year
001Phenolic compounds, unchlorinatedDAILY MX report only all year
001Phenolic compounds, unchlorinatedDAILY MX report only all year
001HalomethanesDAILY MX report only all year
001HalomethanesDAILY MX report only all year
001DichlorobenzeneDAILY MX report only all year
001DichlorobenzeneDAILY MX report only all year
001TCDD equivalentsDAILY MX report only all year
001TCDD equivalentsDAILY MX report only all year
001%Effect Static 48Hr Chronic Macrocystis pyriferaMO MED report only all year
001%Effect Static 48Hr Chronic Haliotis rufescensMO MED report only all year
001%Effect Static Renewal 7 Day Chronic Atherinops affinisMO MED report only all year
001%Effect Static 20Min Chronic Strongylocentrotus purpuratusMO MED report only all year
001%Effect Static 20Min Chronic Dendraster excentricusMO MED report only all year
001Pass/Fail Static 48Hr Chronic Macrocystis pyriferaMO MED report only all year
001Pass/Fail Static 48Hr Chronic Macrocystis pyriferaDAILY MX report only all year
001Pass/Fail Static 48Hr Chronic Haliotis rufescensMO MED report only all year
001Pass/Fail Static 48Hr Chronic Haliotis rufescensDAILY MX report only all year
001Pass/Fail Static Renewal 7 Day Chronic Atherinops affinisMO MED report only all year
001Pass/Fail Static Renewal 7 Day Chronic Atherinops affinisDAILY MX report only all year
001Pass/Fail Static 20 Minute Fertilization Chronic Strongylocentrotus purpuratusMO MED report only all year
001Pass/Fail Static 20 Minute Fertilization Chronic Strongylocentrotus purpuratusDAILY MX report only all year
001Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricusMO MED report only all year
001Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricusDAILY MX report only all year
INF1Solids, total suspendedMO AVG report only all year
INF1Solids, total suspendedDAILY MX report only all year
INF1Flow, in conduit or thru treatment plantMO AVG report only all year
INF1Flow, in conduit or thru treatment plantDAILY MX report only all year
INF1BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
INF1BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
INF2Solids, total suspendedMO AVG report only all year
INF2Solids, total suspendedDAILY MX report only all year
INF2Flow, in conduit or thru treatment plantMO AVG report only all year
INF2Flow, in conduit or thru treatment plantDAILY MX report only all year
INF2BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
INF2BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
M001TurbidityMO AVG <= 75 NTU all year
M001TurbidityWKLY AVG <= 100 NTU all year
M001TurbidityINST MAX <= 225 NTU all year
M001BOD, 5-day, 20 deg. CDAILY MX report only all year
M001pHMINIMUM >= 6 SU all year
M001pHMAXIMUM <= 9 SU all year
M001Solids, total suspendedMO AVG <= 30 mg/L all year
M001Solids, total suspendedWKLY AVG <= 45 mg/L all year
M001Solids, total suspendedMO AVG <= 10000 lb/d all year
M001Solids, total suspendedWKLY AVG <= 15000 lb/d all year
M001Solids, settleableMO AVG <= 1 mL/L all year
M001Solids, settleableWKLY AVG <= 1.5 mL/L all year
M001Solids, settleableINST MAX <= 3 mL/L all year
M001Oil and greaseMO AVG <= 25 mg/L all year
M001Oil and greaseWKLY AVG <= 40 mg/L all year
M001Oil and greaseINST MAX <= 75 mg/L all year
M001Oil and greaseMO AVG <= 8400 lb/d all year
M001Oil and greaseWKLY AVG <= 14000 lb/d all year
M001Flow, in conduit or thru treatment plantMO AVG <= 40.5 MGD all year
M001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
M001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
M001BOD, carbonaceous [5 day, 20 C]MO AVG <= 8400 lb/d all year
M001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 14000 lb/d all year
M001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
M001Solids, suspended percent removalMO AV MN >= 85 % all year
M002TurbidityMO AVG <= 75 NTU all year
M002TurbidityWKLY AVG <= 100 NTU all year
M002TurbidityINST MAX <= 225 NTU all year
M002BOD, 5-day, 20 deg. CDAILY MX report only all year
M002pHMINIMUM >= 6 SU all year
M002pHMAXIMUM <= 9 SU all year
M002Solids, total suspendedMO AVG <= 30 mg/L all year
M002Solids, total suspendedWKLY AVG <= 45 mg/L all year
M002Solids, total suspendedMO AVG <= 1300 lb/d all year
M002Solids, total suspendedWKLY AVG <= 1900 lb/d all year
M002Solids, settleableMO AVG <= 1 mL/L all year
M002Solids, settleableWKLY AVG <= 1.5 mL/L all year
M002Solids, settleableINST MAX <= 3 mL/L all year
M002Oil and greaseMO AVG <= 25 mg/L all year
M002Oil and greaseWKLY AVG <= 40 mg/L all year
M002Oil and greaseINST MAX <= 75 mg/L all year
M002Oil and greaseMO AVG <= 1000 lb/d all year
M002Oil and greaseWKLY AVG <= 1700 lb/d all year
M002Flow, in conduit or thru treatment plantDAILY MX <= 5 MGD all year
M002BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
M002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
M002BOD, carbonaceous [5 day, 20 C]MO AVG <= 1000 lb/d all year
M002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1700 lb/d all year
M002BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
M002Solids, suspended percent removalMO AV MN >= 85 % all year
M005TurbidityMO AVG <= 75 NTU all year
M005TurbidityWKLY AVG <= 100 NTU all year
M005TurbidityINST MAX <= 225 NTU all year
M005pHMINIMUM >= 6 SU all year
M005pHMAXIMUM <= 9 SU all year
M005Solids, total suspendedMO AVG <= 60 mg/L all year
M005Solids, total suspendedMO AVG <= 100 lb/d all year
M005Solids, settleableMO AVG <= 1 mL/L all year
M005Solids, settleableWKLY AVG <= 1.5 mL/L all year
M005Solids, settleableINST MAX <= 3 mL/L all year
M005Oil and greaseMO AVG <= 25 mg/L all year
M005Oil and greaseWKLY AVG <= 40 mg/L all year
M005Oil and greaseINST MAX <= 75 mg/L all year
M005Oil and greaseMO AVG <= 42 lb/d all year
M005Oil and greaseWKLY AVG <= 67 lb/d all year
M005Flow, in conduit or thru treatment plantDAILY MX <= .2 MGD all year
M005Solids, total dissolvedMO AVG report only all year
M005Solids, total dissolvedDAILY MX report only all year

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