City of San Leandro Water Pollution Control Plant - Treatment Wetland

NPDES permit CA0038881 · Minor POTW · effective, expires 2027-05-31 · 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
37required values missing, on 9 form(s)
0of 62 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 (182)

OutfallParameterStatisticLimitMonths
002BpHMINIMUM >= 6.5 SU all year
002BpHMAXIMUM <= 8.5 SU all year
002BPolychlorinated biphenyls [PCBs], sum of AroclorsMO AVG <= .012 ug/L all year
002BPolychlorinated biphenyls [PCBs], sum of AroclorsDAILY MX <= .017 ug/L all year
002BEnterococciMO GEOMN <= 30 CFU/100mL all year
002BEnterococci90TH % <= 110 CFU/100mL all year
002BMercury, total recoverableMO AVG <= .066 ug/L all year
002BMercury, total recoverableDAILY MX <= .072 ug/L all year
002WNitrogen, ammonia total [as N]MO AVG <= 7.5 mg/L all year
002WNitrogen, ammonia total [as N]DAILY MX <= 12 mg/L all year
002WNitrite + Nitrate total [as N]DAILY MX report only all year
002WNitrogen, inorganic totalDAILY MX report only all year
002WCyanide, total [as CN]MO AVG <= 4.3 ug/L all year
002WCyanide, total [as CN]DAILY MX <= 8.7 ug/L all year
002WCyanide, total [as CN]DAILY MX report only all year
002WArsenic, total recoverableDAILY MX report only all year
002WSelenium, total recoverableDAILY MX report only all year
002WThallium, total recoverableDAILY MX report only all year
002WBeryllium, total recoverable [as Be]DAILY MX report only all year
002WChromium, hexavalent [as Cr]DAILY MX report only all year
002WChromium, trivalent [as Cr]DAILY MX report only all year
002WNickel, total recoverableDAILY MX report only all year
002WSilver total recoverableDAILY MX report only all year
002WZinc, total recoverableDAILY MX report only all year
002WCadmium, total recoverableDAILY MX report only all year
002WLead, total recoverableDAILY MX report only all year
002WChromium, total recoverableDAILY MX report only all year
002WCopper, total recoverableMO AVG <= 11 ug/L all year
002WCopper, total recoverableDAILY MX <= 19 ug/L all year
002WCopper, total recoverableDAILY MX report only all year
002WAntimony, total recoverableDAILY MX report only all year
002W2-Methyl-4,6-dinitrophenolDAILY MX report only all year
002W1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxinDAILY MX report only all year
002W1,2,3,7,8-Pentachlorodibenzo-p-dioxinDAILY MX report only all year
002W1,2,3,4,7,8-Hexachlorodibenzo-p-dioxinDAILY MX report only all year
002W1,2,3,6,7,8-Hexachlorodibenzo-p-dioxinDAILY MX report only all year
002W1,2,3,7,8,9-Hexachlorodibenzo-p-dioxinDAILY MX report only all year
002W1,2,3,7,8-PentachlorodibenzofuranDAILY MX report only all year
002W2,3,4,7,8-PentachlorodibenzofuranDAILY MX report only all year
002W1,2,3,4,7,8-HexachlorodibenzofuranDAILY MX report only all year
002W1,2,3,6,7,8-HexachlorodibenzofuranDAILY MX report only all year
002W1,2,3,7,8,9-HexachlorodibenzofuranDAILY MX report only all year
002W2,3,4,6,7,8-HexachlorodibenzofuranDAILY MX report only all year
002W1,2,3,4,6,7,8-HeptachlorodibenzofuranDAILY MX report only all year
002W1,2,3,4,7,8,9-HeptachlorodibenzofuranDAILY MX report only all year
002W1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxinDAILY MX report only all year
002WCarbon tetrachlorideDAILY MX report only all year
002W1,2-DichloroethaneDAILY MX report only all year
002WBromoformDAILY MX report only all year
002WDibromochloromethaneDAILY MX report only all year
002WChloroformDAILY MX report only all year
002WTolueneDAILY MX report only all year
002WBenzeneDAILY MX report only all year
002W.delta.-BHCDAILY MX report only all year
002WAcenaphthyleneDAILY MX report only all year
002WAcenaphtheneDAILY MX report only all year
002WAcroleinDAILY MX report only all year
002WAcrylonitrileDAILY MX report only all year
002WAnthraceneDAILY MX report only all year
002WBenzo[b]fluorantheneDAILY MX report only all year
002WBenzo[k]fluorantheneDAILY MX report only all year
002WBenzo[a]pyreneDAILY MX report only all year
002WBis[2-chloroethyl] etherDAILY MX report only all year
002WBis[2-chloroethoxy]methaneDAILY MX report only all year
002WBis[2-chloroisopropyl] etherDAILY MX report only all year
002WButyl benzyl phthalateDAILY MX report only all year
002WChlorobenzeneDAILY MX report only all year
002WChryseneDAILY MX report only all year
002WDiethyl phthalateDAILY MX report only all year
002WDimethyl phthalateDAILY MX report only all year
002W1,2-DiphenylhydrazineDAILY MX report only all year
002WEndosulfan sulfateDAILY MX report only all year
002W.beta.-EndosulfanDAILY MX report only all year
002W.alpha.-EndosulfanDAILY MX report only all year
002WEndrin aldehydeDAILY MX report only all year
002WEthylbenzeneDAILY MX report only all year
002WFluorantheneDAILY MX report only all year
002WFluoreneDAILY MX report only all year
002WHexachlorocyclopentadieneDAILY MX report only all year
002WHexachlorobutadieneDAILY MX report only all year
002WHexachloroethaneDAILY MX report only all year
002WIndeno[1,2,3-cd]pyreneDAILY MX report only all year
002WIsophoroneDAILY MX report only all year
002WMethyl bromide [Bromomethane]DAILY MX report only all year
002WMethyl chloride [Chloromethane]DAILY MX report only all year
002WMethylene chlorideDAILY MX report only all year
002WN-Nitrosodi-N-propylamineDAILY MX report only all year
002WN-NitrosodiphenylamineDAILY MX report only all year
002WN-Nitrosodimethylamine [NDMA]DAILY MX report only all year
002WNitrobenzeneDAILY MX report only all year
002WPhenanthreneDAILY MX report only all year
002WPyreneDAILY MX report only all year
002WTetrachloroethyleneDAILY MX report only all year
002W1,1-DichloroethaneDAILY MX report only all year
002W1,1-DichloroethyleneDAILY MX report only all year
002W1,1,1-TrichloroethaneDAILY MX report only all year
002W1,1,2-TrichloroethaneDAILY MX report only all year
002W1,1,2,2-TetrachloroethaneDAILY MX report only all year
002WBenzo[ghi]peryleneDAILY MX report only all year
002WBenzo[a]anthraceneDAILY MX report only all year
002W1,2-DichlorobenzeneDAILY MX report only all year
002W1,2-DichloropropaneDAILY MX report only all year
002Wtrans-1,2-DichloroethyleneDAILY MX report only all year
002W1,2,4-TrichlorobenzeneDAILY MX report only all year
002WDibenz[a,h]anthraceneDAILY MX report only all year
002W1,3-DichlorobenzeneDAILY MX report only all year
002W1,4-DichlorobenzeneDAILY MX report only all year
002W2-Chloroethyl vinyl ether, [mixed]DAILY MX report only all year
002W2-ChloronaphthaleneDAILY MX report only all year
002W2-ChlorophenolDAILY MX report only all year
002W2-NitrophenolDAILY MX report only all year
002WDi-n-octyl phthalateDAILY MX report only all year
002W2,4-DichlorophenolDAILY MX report only all year
002W2,4-DimethylphenolDAILY MX report only all year
002W2,4-DinitrotolueneDAILY MX report only all year
002W2,4-DinitrophenolDAILY MX report only all year
002W2,4,6-TrichlorophenolDAILY MX report only all year
002W2,6-DinitrotolueneDAILY MX report only all year
002W3,3'-DichlorobenzidineDAILY MX report only all year
002W4-Bromophenyl phenyl etherDAILY MX report only all year
002W4-Chlorophenyl phenyl etherDAILY MX report only all year
002W4-NitrophenolDAILY MX report only all year
002WPCB-1016DAILY MX report only all year
002W2,3,7,8-Tetrachlorodibenzo-p-dioxinDAILY MX report only all year
002WPhenolDAILY MX report only all year
002WNaphthaleneDAILY MX report only all year
002W2,3,7,8-TetrachlorodibenzofuranDAILY MX report only all year
002WPentachlorophenolDAILY MX report only all year
002WDi[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
002WDi-n-butyl phthalateDAILY MX report only all year
002WBenzidineDAILY MX report only all year
002WVinyl chlorideDAILY MX report only all year
002WTrichloroethyleneDAILY MX report only all year
002W4,4'-DDTDAILY MX report only all year
002W4,4'-DDDDAILY MX report only all year
002W4,4'-DDEDAILY MX report only all year
002WAldrinDAILY MX report only all year
002W.alpha.-BHCDAILY MX report only all year
002W.beta.-BHCDAILY MX report only all year
002W.gamma.-BHCDAILY MX report only all year
002WChlordane [tech mix. and metabolites]DAILY MX report only all year
002WDieldrinDAILY MX report only all year
002WEndrinDAILY MX report only all year
002WToxapheneDAILY MX report only all year
002WHeptachlorDAILY MX report only all year
002WHeptachlor epoxideDAILY MX report only all year
002WPCB-1221DAILY MX report only all year
002WPCB-1232DAILY MX report only all year
002WPCB-1242DAILY MX report only all year
002WPCB-1248DAILY MX report only all year
002WPCB-1254DAILY MX report only all year
002WPCB-1260DAILY MX report only all year
002WHexachlorobenzeneDAILY MX report only all year
002WFlow, in conduit or thru treatment plantDAILY AV report only all year
002W1,2,3,4,6,7,8,9-OctachlorodibenzofuranDAILY MX report only all year
002WFlow, totalTOTAL report only all year
002W4-Chloro-3-methylphenolDAILY MX report only all year
002WMercury, total recoverableDAILY MX report only all year
002W1,3-DichloropropeneDAILY MX report only all year
002WChloroethaneDAILY MX report only all year
INFBSolids, total suspendedDAILY MX report only all year
INFBBOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
INFWTemperature, water deg. centigradeINST MAX report only all year
INFWpHMINIMUM report only all year
INFWpHMAXIMUM report only all year
INFWSolids, total suspendedMO AVG <= 20 mg/L all year
INFWSolids, total suspendedWKLY AVG <= 30 mg/L all year
INFWNitrogen, ammonia total [as N]MO AVG <= 7.5 mg/L all year
INFWNitrogen, ammonia total [as N]DAILY MX <= 12 mg/L all year
INFWFlow, in conduit or thru treatment plantDAILY AV report only all year
INFWChlorine, total residual1I <= .013 mg/L all year
INFWFlow, totalTOTAL report only all year
INFWBOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
INFWBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
INFWBOD, carbonaceous [5 day, 20 C]MO AV MN >= 85 % all year
INFWSolids, suspended percent removalMO AV MN >= 85 % all year
INFW% Survival Flow Through 96Hr Acute Pimephales promelasBC >= 70 % survival all year
INFW% Survival Flow Through 96Hr Acute Pimephales promelasBA >= 90 % survival all year
INFW% Survival Flow Through 96Hr Acute Oncorhynchus mykissBC >= 70 % survival all year
INFW% Survival Flow Through 96Hr Acute Oncorhynchus mykissBA >= 90 % survival all year
SUMMercury, total recoverableANNL AVG <= 2.2 kg/yr all year
SUMMercury, total recoverableANNL AVG <= 2.2 kg/yr all year

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