Fairfield-Suisun Sewer District

NPDES permit CA0038024 · Major POTW · effective, expires 2031-01-31 · 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

0values over a limit
0required values missing, on 0 form(s)
4of 34 forms filed late

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

Reporting

Reports are due about 33 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (207)

OutfallParameterStatisticLimitMonths
EFF1Flow, in conduit or thru treatment plantDAILY AV report only all year
EFF1Flow, totalMO TOTAL report only all year
EFF2Flow, totalMO TOTAL report only all year
EFF3Flow, totalMO TOTAL report only all year
EFF5Flow, in conduit or thru treatment plantDAILY AV report only all year
EFF5Flow, totalMO TOTAL report only all year
EFF6Flow, totalMO TOTAL report only all year
EFFDTemperature, water deg. centigradeINST MAX report only all year
EFFDTurbidityDAILY MX <= 10 NTU all year
EFFDOxygen, dissolved [DO]INST MIN report only all year
EFFDBOD, 5-day, 20 deg. CMO AVG <= 10 mg/L all year
EFFDBOD, 5-day, 20 deg. CWKLY AVG <= 15 mg/L all year
EFFDpHINST MIN >= 6.5 SU all year
EFFDpHINST MAX <= 8.5 SU all year
EFFDSalinityDAILY MX report only all year
EFFDSolids, total suspendedMO AVG <= 10 mg/L all year
EFFDSolids, total suspendedWKLY AVG <= 15 mg/L all year
EFFDNitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
EFFDNitrogen, ammonia total [as N]DAILY MX <= 4 mg/L all year
EFFDNitrogen, ammonia total [as N]MO AVG report only all year
EFFDNitrogen, ammonia total [as N]DAILY MX report only all year
EFFDNitrite + Nitrate total [as N]MO AVG report only all year
EFFDNitrite + Nitrate total [as N]DAILY MX report only all year
EFFDNitrite + Nitrate total [as N]MO AVG report only all year
EFFDNitrite + Nitrate total [as N]DAILY MX report only all year
EFFDNitrogen, inorganic totalMO AVG report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
EFFDNitrogen, inorganic totalMO AVG report only May, Jun, Jul, Aug, Sep
EFFDNitrogen, inorganic totalDAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
EFFDNitrogen, inorganic totalDAILY MX report only May, Jun, Jul, Aug, Sep
EFFDNitrogen, inorganic totalMO AVG report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
EFFDNitrogen, inorganic totalMO AVG <= 1600 kg/d May, Jun, Jul, Aug, Sep
EFFDNitrogen, inorganic totalDAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
EFFDNitrogen, inorganic totalDAILY MX report only May, Jun, Jul, Aug, Sep
EFFDPhosphorus, total [as P]MO AVG report only all year
EFFDPhosphorus, total [as P]DAILY MX report only all year
EFFDPhosphorus, total [as P]MO AVG report only all year
EFFDPhosphorus, total [as P]DAILY MX report only all year
EFFDCyanide, total [as CN]MO AVG <= 7.4 ug/L all year
EFFDCyanide, total [as CN]DAILY MX report only all year
EFFDCyanide, total [as CN]DAILY MX <= 12 ug/L all year
EFFDAsbestosDAILY MX report only all year
EFFDArsenic, total recoverableDAILY MX report only all year
EFFDSelenium, total recoverableDAILY MX report only all year
EFFDThallium, total recoverableDAILY MX report only all year
EFFDBeryllium, total recoverable [as Be]DAILY MX report only all year
EFFDChromium, hexavalent [as Cr]DAILY MX report only all year
EFFDChromium, trivalent [as Cr]DAILY MX report only all year
EFFDNickel, total recoverableDAILY MX report only all year
EFFDSilver total recoverableDAILY MX report only all year
EFFDZinc, total recoverableDAILY MX report only all year
EFFDCadmium, total recoverableDAILY MX report only all year
EFFDLead, total recoverableDAILY MX report only all year
EFFDCopper, total recoverableMO AVG <= 11 ug/L all year
EFFDCopper, total recoverableDAILY MX report only all year
EFFDCopper, total recoverableDAILY MX <= 15 ug/L all year
EFFDAntimony, total recoverableDAILY MX report only all year
EFFD2-Methyl-4,6-dinitrophenolDAILY MX report only all year
EFFDDichlorobromomethaneDAILY MX report only all year
EFFDCarbon tetrachlorideDAILY MX report only all year
EFFD1,2-DichloroethaneDAILY MX report only all year
EFFDBromoformDAILY MX report only all year
EFFDDibromochloromethaneDAILY MX report only all year
EFFDChloroformDAILY MX report only all year
EFFDTolueneDAILY MX report only all year
EFFDBenzeneDAILY MX report only all year
EFFD.delta.-BHCDAILY MX report only all year
EFFDAcenaphthyleneDAILY MX report only all year
EFFDAcenaphtheneDAILY MX report only all year
EFFDAcroleinDAILY MX report only all year
EFFDAcrylonitrileDAILY MX report only all year
EFFDAnthraceneDAILY MX report only all year
EFFDBenzo[b]fluorantheneDAILY MX report only all year
EFFDBenzo[k]fluorantheneDAILY MX report only all year
EFFDBenzo[a]pyreneDAILY MX report only all year
EFFDBis[2-chloroethyl] etherDAILY MX report only all year
EFFDBis[2-chloroethoxy]methaneDAILY MX report only all year
EFFDBis[2-chloroisopropyl] etherDAILY MX report only all year
EFFDButyl benzyl phthalateDAILY MX report only all year
EFFDChlorobenzeneDAILY MX report only all year
EFFDChryseneDAILY MX report only all year
EFFDDiethyl phthalateDAILY MX report only all year
EFFDDimethyl phthalateDAILY MX report only all year
EFFD1,2-DiphenylhydrazineDAILY MX report only all year
EFFDEndosulfan sulfateDAILY MX report only all year
EFFD.beta.-EndosulfanDAILY MX report only all year
EFFD.alpha.-EndosulfanDAILY MX report only all year
EFFDEndrin aldehydeDAILY MX report only all year
EFFDEthylbenzeneDAILY MX report only all year
EFFDFluorantheneDAILY MX report only all year
EFFDFluoreneDAILY MX report only all year
EFFDHexachlorocyclopentadieneDAILY MX report only all year
EFFDHexachlorobutadieneDAILY MX report only all year
EFFDHexachloroethaneDAILY MX report only all year
EFFDIndeno[1,2,3-cd]pyreneDAILY MX report only all year
EFFDIsophoroneDAILY MX report only all year
EFFDMethyl bromide [Bromomethane]DAILY MX report only all year
EFFDMethyl chloride [Chloromethane]DAILY MX report only all year
EFFDMethylene chlorideDAILY MX report only all year
EFFDN-Nitrosodi-N-propylamineDAILY MX report only all year
EFFDN-NitrosodiphenylamineDAILY MX report only all year
EFFDN-Nitrosodimethylamine [NDMA]DAILY MX report only all year
EFFDNitrobenzeneDAILY MX report only all year
EFFDPhenanthreneDAILY MX report only all year
EFFDPyreneDAILY MX report only all year
EFFDTetrachloroethyleneDAILY MX report only all year
EFFD1,1-DichloroethaneDAILY MX report only all year
EFFD1,1-DichloroethyleneDAILY MX report only all year
EFFD1,1,1-TrichloroethaneDAILY MX report only all year
EFFD1,1,2-TrichloroethaneDAILY MX report only all year
EFFD1,1,2,2-TetrachloroethaneDAILY MX report only all year
EFFDBenzo[ghi]peryleneDAILY MX report only all year
EFFDBenzo[a]anthraceneDAILY MX report only all year
EFFD1,2-DichlorobenzeneDAILY MX report only all year
EFFD1,2-DichloropropaneDAILY MX report only all year
EFFDtrans-1,2-DichloroethyleneDAILY MX report only all year
EFFD1,2,4-TrichlorobenzeneDAILY MX report only all year
EFFDDibenz[a,h]anthraceneDAILY MX report only all year
EFFD1,3-DichlorobenzeneDAILY MX report only all year
EFFD1,4-DichlorobenzeneDAILY MX report only all year
EFFD2-Chloroethyl vinyl ether, [mixed]DAILY MX report only all year
EFFD2-ChloronaphthaleneDAILY MX report only all year
EFFD2-ChlorophenolDAILY MX report only all year
EFFD2-NitrophenolDAILY MX report only all year
EFFDDi-n-octyl phthalateDAILY MX report only all year
EFFD2,4-DichlorophenolDAILY MX report only all year
EFFD2,4-DimethylphenolDAILY MX report only all year
EFFD2,4-DinitrotolueneDAILY MX report only all year
EFFD2,4-DinitrophenolDAILY MX report only all year
EFFD2,4,6-TrichlorophenolDAILY MX report only all year
EFFD2,6-DinitrotolueneDAILY MX report only all year
EFFD3,3'-DichlorobenzidineDAILY MX report only all year
EFFD4-Bromophenyl phenyl etherDAILY MX report only all year
EFFD4-Chlorophenyl phenyl etherDAILY MX report only all year
EFFD4-NitrophenolDAILY MX report only all year
EFFDPCB-1016DAILY MX report only all year
EFFD2,3,7,8-Tetrachlorodibenzo-p-dioxinDAILY MX report only all year
EFFDPhenolDAILY MX report only all year
EFFDNaphthaleneDAILY MX report only all year
EFFDPentachlorophenolDAILY MX report only all year
EFFDDi[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
EFFDDi-n-butyl phthalateDAILY MX report only all year
EFFDBenzidineDAILY MX report only all year
EFFDVinyl chlorideDAILY MX report only all year
EFFDTrichloroethyleneDAILY MX report only all year
EFFD4,4'-DDTDAILY MX report only all year
EFFD4,4'-DDDDAILY MX report only all year
EFFD4,4'-DDEDAILY MX report only all year
EFFDAldrinDAILY MX report only all year
EFFD.alpha.-BHCDAILY MX report only all year
EFFD.beta.-BHCDAILY MX report only all year
EFFD.gamma.-BHCDAILY MX report only all year
EFFDChlordane [tech mix. and metabolites]DAILY MX report only all year
EFFDDieldrinDAILY MX report only all year
EFFDEndrinDAILY MX report only all year
EFFDToxapheneDAILY MX report only all year
EFFDHeptachlorDAILY MX report only all year
EFFDHeptachlor epoxideDAILY MX report only all year
EFFDPCB-1221DAILY MX report only all year
EFFDPCB-1232DAILY MX report only all year
EFFDPCB-1242DAILY MX report only all year
EFFDPCB-1248DAILY MX report only all year
EFFDPCB-1254DAILY MX report only all year
EFFDPCB-1260DAILY MX report only all year
EFFDHexachlorobenzeneDAILY MX report only all year
EFFDFlow, in conduit or thru treatment plantDAILY AV report only all year
EFFDFlow, totalMO TOTAL report only all year
EFFDPolychlorinated biphenyls [PCBs], sum of congenersMO AVG report only all year
EFFDPolychlorinated biphenyls [PCBs], sum of congenersDAILY MX report only all year
EFFDPolychlorinated biphenyls [PCBs], sum of AroclorsMO AVG <= .00039 ug/L all year
EFFDPolychlorinated biphenyls [PCBs], sum of AroclorsDAILY MX <= .00049 ug/L all year
EFFDEnterococciGEO MEAN <= 30 CFU/100mL all year
EFFDEnterococci90TH % <= 110 CFU/100mL all year
EFFD4-Chloro-3-methylphenolDAILY MX report only all year
EFFDMercury, total recoverableMO AVG <= .025 ug/L all year
EFFDMercury, total recoverableDAILY MX report only all year
EFFDMercury, total recoverableWKLY AVG <= .027 ug/L all year
EFFD1,3-DichloropropeneDAILY MX report only all year
EFFDBOD, 5-day, percent removalMO AV MN >= 85 % all year
EFFDSolids, suspended percent removalMO AV MN >= 85 % all year
EFFDTCDD equivalentsMO AVG <= .000014 ng/L all year
EFFDTCDD equivalentsDAILY MX <= .000028 ng/L all year
EFFDChloroethaneDAILY MX report only all year
EFFDChronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR7d P promelasDAILY MX <= 0 pass=0;fail=1 all year
EFFDChronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR7d P promelasMO MED <= 0 pass=0;fail=1 all year
EFFDChronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelasDAILY MX <= 50 % effect all year
INF1BOD, 5-day, 20 deg. CDAILY MX report only all year
INF1Solids, total suspendedDAILY MX report only all year
INF1Nitrogen, ammonia total [as N]MO AVG report only all year
INF1Nitrogen, ammonia total [as N]DAILY MX report only all year
INF1Nitrogen, ammonia total [as N]MO AVG report only all year
INF1Nitrogen, ammonia total [as N]DAILY MX report only all year
INF1Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
INF1Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
INF1Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
INF1Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
INF1Nitrite + Nitrate total [as N]MO AVG report only all year
INF1Nitrite + Nitrate total [as N]DAILY MX report only all year
INF1Nitrite + Nitrate total [as N]MO AVG report only all year
INF1Nitrite + Nitrate total [as N]DAILY MX report only all year
INF1Phosphorus, total [as P]MO AVG report only all year
INF1Phosphorus, total [as P]DAILY MX report only all year
INF1Phosphorus, total [as P]MO AVG report only all year
INF1Phosphorus, total [as P]DAILY MX report only all year
INF1Cyanide, total [as CN]DAILY MX report only all year
INF1Flow, in conduit or thru treatment plantDAILY AV report only all year
INF1Flow, totalMO TOTAL report only all year
SUMMercury, total recoverableANNL AVG <= .17 kg/yr all year

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