Us Bureau Of Reclamation

NPDES permit AZ0025348 · Major FEDERAL · administratively continued, expires 2026-06-16 · 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 2026-06-16 and is administratively continued: 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

1values over a limit
0required values missing, on 0 form(s)
0of 37 forms filed late

Last period with anything received: 2026-08-31. Most often over: Chlorine, total residual (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AZ permits in EPA's filings — check your permit).

Limits in force (261)

OutfallParameterStatisticLimitMonths
WQITemperature, water deg. centigradeDAILY MX report only all year
WQITemperature, water deg. centigradeDAILY MX report only all year
WQIOxygen, dissolved [DO]DAILY MX report only all year
WQIBOD, 5-day, 20 deg. CDAILY MX report only all year
WQIpHMINIMUM report only all year
WQIpHMINIMUM report only all year
WQIpHMAXIMUM report only all year
WQIpHMAXIMUM report only all year
WQIpHMINIMUM report only all year
WQIpHMINIMUM report only all year
WQIpHMAXIMUM report only all year
WQIpHMAXIMUM report only all year
WQIpHMINIMUM >= 6.5 SU all year
WQIpHMAXIMUM <= 9 SU all year
WQISolids, total suspendedDAILY MX report only all year
WQIOil & GreaseDAILY MX report only all year
WQINitrogen, ammonia total [as N]DAILY MX report only all year
WQINitrogen, Kjeldahl, total [as N]DAILY MX report only all year
WQINitrite + Nitrate total [as N]DAILY MX report only all year
WQIPhosphorus, total [as P]DAILY MX report only all year
WQICyanide, total [as CN]MO AVG <= 7.9 ug/L all year
WQICyanide, total [as CN]DAILY MX report only all year
WQICyanide, total [as CN]DAILY MX <= 16 ug/L all year
WQICyanide, total [as CN]MO AVG <= 12 g/d all year
WQICyanide, total [as CN]DAILY MX <= 24 g/d all year
WQISulfide, total [as S]MO AVG report only all year
WQISulfide, total [as S]DAILY MX report only all year
WQISulfide, total [as S]DAILY MX report only all year
WQIHardness, total [as CaCO3]DAILY MX report only all year
WQIHardness, total [as CaCO3]MO AVG report only all year
WQIHardness, total [as CaCO3]DAILY MX report only all year
WQIHardness, total [as CaCO3]DAILY MX report only all year
WQIAsbestosDAILY MX report only all year
WQIFluoride, total [as F]DAILY MX report only all year
WQIArsenic, total recoverableDAILY MX report only all year
WQIIron, total recoverableDAILY MX report only all year
WQISelenium, total recoverableMO AVG <= 2 ug/L all year
WQISelenium, total recoverableDAILY MX report only all year
WQISelenium, total recoverableDAILY MX <= 3 ug/L all year
WQISelenium, total recoverableMO AVG <= 2 g/d all year
WQISelenium, total recoverableDAILY MX <= 5 g/d all year
WQIThallium, total recoverableDAILY MX report only all year
WQIBeryllium, total recoverable [as Be]DAILY MX report only all year
WQIBoron, total recoverableDAILY MX report only all year
WQIBoron, total recoverableDAILY MX report only all year
WQIBoron, total recoverableDAILY MX report only all year
WQIBoron, total recoverableMO AVG <= 1000 ug/L all year
WQIBoron, total recoverableDAILY MX <= 1350 ug/L all year
WQIBoron, total recoverableMO AVG <= 1514 g/d all year
WQIBoron, total recoverableDAILY MX <= 2045 g/d all year
WQIBarium, total recoverableDAILY MX report only all year
WQINickel, total recoverableDAILY MX report only all year
WQISilver total recoverableDAILY MX report only all year
WQIZinc, total recoverableDAILY MX report only all year
WQICadmium, total recoverableDAILY MX report only all year
WQILead, total recoverableDAILY MX report only all year
WQIChromium, total recoverableMO AVG report only all year
WQIChromium, total recoverableDAILY MX report only all year
WQIChromium, total recoverableDAILY MX report only all year
WQICopper, total recoverableDAILY MX report only all year
WQICopper, total recoverableDAILY MX report only all year
WQICopper, total recoverableDAILY MX report only all year
WQICopper, total recoverableMO AVG <= 19 ug/L all year
WQICopper, total recoverableDAILY MX <= 39 ug/L all year
WQICopper, total recoverableMO AVG <= 29 g/d all year
WQICopper, total recoverableDAILY MX <= 59 g/d all year
WQIChromium, hexavalent dissolved [as Cr]MO AVG report only all year
WQIChromium, hexavalent dissolved [as Cr]DAILY MX report only all year
WQIChromium, hexavalent dissolved [as Cr]DAILY MX report only all year
WQIAntimony, total recoverableDAILY MX report only all year
WQITributyltinDAILY MX report only all year
WQIDiquatDAILY MX report only all year
WQIManganese, total recoverableDAILY MX report only all year
WQIUranium, total as U3O8DAILY MX report only all year
WQIDinosebDAILY MX report only all year
WQIDichlorobromomethaneDAILY MX report only all year
WQICarbon tetrachlorideDAILY MX report only all year
WQI1,2-DichloroethaneDAILY MX report only all year
WQIBromoformDAILY MX report only all year
WQIDibromochloromethaneDAILY MX report only all year
WQIChloroformDAILY MX report only all year
WQITolueneDAILY MX report only all year
WQIBenzeneDAILY MX report only all year
WQI.delta.-BHCDAILY MX report only all year
WQIAcroleinDAILY MX report only all year
WQIAcrylonitrileDAILY MX report only all year
WQIChlorobenzeneDAILY MX report only all year
WQIEndosulfan sulfateDAILY MX report only all year
WQIEndrin aldehydeDAILY MX report only all year
WQIEthylbenzeneDAILY MX report only all year
WQIMethyl bromide [Bromomethane]DAILY MX report only all year
WQIMethyl chloride [Chloromethane]DAILY MX report only all year
WQIMethylene chlorideDAILY MX report only all year
WQITetrachloroethyleneDAILY MX report only all year
WQI1,1-DichloroethaneDAILY MX report only all year
WQI1,1-DichloroethyleneDAILY MX report only all year
WQI1,1,1-TrichloroethaneDAILY MX report only all year
WQI1,1,2-TrichloroethaneDAILY MX report only all year
WQI1,1,2,2-TetrachloroethaneDAILY MX report only all year
WQI1,2-DichloropropaneDAILY MX report only all year
WQItrans-1,2-DichloroethyleneDAILY MX report only all year
WQI2-Chloroethyl vinyl ether, [mixed]DAILY MX report only all year
WQI2,3,7,8-Tetrachlorodibenzo-p-dioxinDAILY MX report only all year
WQIDalaponDAILY MX report only all year
WQIOxamylDAILY MX report only all year
WQIAtrazineDAILY MX report only all year
WQISimazineDAILY MX report only all year
WQIVinyl chlorideDAILY MX report only all year
WQITrichloroethyleneDAILY MX report only all year
WQI4,4'-DDTDAILY MX report only all year
WQI4,4'-DDDDAILY MX report only all year
WQI4,4'-DDEDAILY MX report only all year
WQIAldrinDAILY MX report only all year
WQI.alpha.-BHCDAILY MX report only all year
WQI.beta.-BHCDAILY MX report only all year
WQI.gamma.-BHCDAILY MX report only all year
WQIChlordane [tech mix. and metabolites]DAILY MX report only all year
WQIDieldrinDAILY MX report only all year
WQIEndosulfan, totalDAILY MX report only all year
WQIEndrinDAILY MX report only all year
WQIToxapheneDAILY MX report only all year
WQIHeptachlorDAILY MX report only all year
WQIHeptachlor epoxideDAILY MX report only all year
WQIMethoxychlorDAILY MX report only all year
WQIPolychlorinated biphenyls [PCBs]DAILY MX report only all year
WQIMalathionDAILY MX report only all year
WQIParathionDAILY MX report only all year
WQIGuthionDAILY MX report only all year
WQIPicloramDAILY MX report only all year
WQI2,4-Dichlorophenoxyacetic acidDAILY MX report only all year
WQIMirexDAILY MX report only all year
WQI1,2-Dibromo-3-chloropropaneDAILY MX report only all year
WQIFlow, in conduit or thru treatment plantMO AVG report only all year
WQIFlow, in conduit or thru treatment plantDAILY MX report only all year
WQIFlow, in conduit or thru treatment plantMO AVG report only all year
WQIFlow, in conduit or thru treatment plantDAILY MX report only all year
WQIFlow, in conduit or thru treatment plantMO AVG report only all year
WQIFlow, in conduit or thru treatment plantDAILY MX report only all year
WQIChlorine, total residualMO AVG <= 9 ug/L all year
WQIChlorine, total residualDAILY MX <= 18 ug/L all year
WQIChlorine, total residualDAILY MX report only all year
WQIChlorine, total residualMO AVG <= 14 g/d all year
WQIChlorine, total residualDAILY MX <= 27 g/d all year
WQIE. coli, colony forming units [CFU]DAILY MX report only all year
WQIDi[2-ethylhexyl] adipateDAILY MX report only all year
WQIEndothallDAILY MX report only all year
WQISolids, total dissolvedMO AVG report only all year
WQISolids, total dissolvedDAILY MX report only all year
WQISolids, total dissolvedDAILY MX report only all year
WQIHydrogen sulfideMO AVG report only all year
WQIHydrogen sulfideDAILY MX report only all year
WQIHydrogen sulfideDAILY MX report only all year
WQIMercury, total recoverableMO AVG <= .008 ug/L all year
WQIMercury, total recoverableDAILY MX <= .02 ug/L all year
WQIMercury, total recoverableDAILY MX report only all year
WQIMercury, total recoverableMO AVG <= .01 g/d all year
WQIMercury, total recoverableDAILY MX <= .02 g/d all year
WQIcis-1,2-DichloroethyleneDAILY MX report only all year
WQI1,3-DichloropropeneDAILY MX report only all year
WQIEthylene dibromideDAILY MX report only all year
WQIAlachlorDAILY MX report only all year
WQI2,4,5-TPDAILY MX report only all year
WQIGlyphosate, totalDAILY MX report only all year
WQIChlorpyrifosDAILY MX report only all year
WQICarbofuranDAILY MX report only all year
WQIXylene [mix of m+o+p]DAILY MX report only all year
WQIStyreneDAILY MX report only all year
WQITrihalomethane, tot.DAILY MX report only all year
WQIParaquatDAILY MX report only all year
WQIPermethrin, total recoverableDAILY MX report only all year
WQIChloroethaneDAILY MX report only all year
WQITU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)DAILY MX report only all year
WQITU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)DAILY MX report only all year
WQITU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)MO MED <= 1 tox chronic all year
WQITU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)DAILY MX <= 1.6 tox chronic all year
WQIStatic 7Day Chronic Pimephales PromelasDAILY MX report only all year
WQIStatic 7Day Chronic Pimephales PromelasMO MED <= 1 tox chronic all year
WQIStatic 7Day Chronic Pimephales PromelasDAILY MX <= 1.6 tox chronic all year
WQITU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX report only all year
WQITU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX report only all year
WQITU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMO MED <= 1 tox chronic all year
WQITU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX <= 1.6 tox chronic all year
WQITU Static Renewal 7-Day Chronic Pimphales promelasDAILY MX report only all year
YDPpHMINIMUM report only all year
YDPpHMINIMUM report only all year
YDPpHMAXIMUM report only all year
YDPpHMAXIMUM report only all year
YDPpHMINIMUM report only all year
YDPpHMAXIMUM report only all year
YDPpHMINIMUM >= 6.5 SU all year
YDPpHMAXIMUM <= 9 SU all year
YDPNitrogen, Kjeldahl, total [as N]DAILY MX report only all year
YDPNitrite + Nitrate total [as N]DAILY MX report only all year
YDPPhosphorus, total [as P]DAILY MX report only all year
YDPCyanide, total [as CN]MO AVG <= 7.9 ug/L all year
YDPCyanide, total [as CN]DAILY MX <= 16 ug/L all year
YDPCyanide, total [as CN]DAILY MX report only all year
YDPCyanide, total [as CN]MO AVG <= 680 g/d all year
YDPCyanide, total [as CN]DAILY MX <= 1400 g/d all year
YDPSulfide, total [as S]MO AVG report only all year
YDPSulfide, total [as S]DAILY MX report only all year
YDPSulfide, total [as S]DAILY MX report only all year
YDPHardness, total [as CaCO3]DAILY MX report only all year
YDPHardness, total [as CaCO3]MO AVG report only all year
YDPHardness, total [as CaCO3]DAILY MX report only all year
YDPHardness, total [as CaCO3]DAILY MX report only all year
YDPArsenic, total recoverableDAILY MX report only all year
YDPIron, total recoverableDAILY MX report only all year
YDPSelenium, total recoverableMO AVG <= 2 ug/L all year
YDPSelenium, total recoverableDAILY MX <= 3 ug/L all year
YDPSelenium, total recoverableDAILY MX report only all year
YDPSelenium, total recoverableMO AVG <= 100 g/d all year
YDPSelenium, total recoverableDAILY MX <= 300 g/d all year
YDPThallium, total recoverableDAILY MX report only all year
YDPBeryllium, total recoverable [as Be]DAILY MX report only all year
YDPBoron, total recoverableDAILY MX report only all year
YDPBoron, total recoverableDAILY MX report only all year
YDPBoron, total recoverableMO AVG <= 1000 ug/L all year
YDPBoron, total recoverableDAILY MX <= 1350 ug/L all year
YDPBoron, total recoverableMO AVG <= 85160 g/d all year
YDPBoron, total recoverableDAILY MX <= 115000 g/d all year
YDPNickel, total recoverableDAILY MX report only all year
YDPSilver total recoverableDAILY MX report only all year
YDPZinc, total recoverableDAILY MX report only all year
YDPCadmium, total recoverableDAILY MX report only all year
YDPLead, total recoverableDAILY MX report only all year
YDPChromium, total recoverableMO AVG report only all year
YDPChromium, total recoverableDAILY MX report only all year
YDPChromium, total recoverableDAILY MX report only all year
YDPCopper, total recoverableDAILY MX report only all year
YDPCopper, total recoverableDAILY MX report only all year
YDPCopper, total recoverableDAILY MX report only all year
YDPCopper, total recoverableMO AVG <= 19 ug/L all year
YDPCopper, total recoverableDAILY MX <= 39 ug/L all year
YDPCopper, total recoverableMO AVG <= 1700 g/d all year
YDPCopper, total recoverableDAILY MX <= 3300 g/d all year
YDPChromium, hexavalent dissolved [as Cr]MO AVG report only all year
YDPChromium, hexavalent dissolved [as Cr]DAILY MX report only all year
YDPChromium, hexavalent dissolved [as Cr]DAILY MX report only all year
YDPAntimony, total recoverableDAILY MX report only all year
YDPFlow, in conduit or thru treatment plantMO AVG report only all year
YDPFlow, in conduit or thru treatment plantDAILY MX report only all year
YDPFlow, in conduit or thru treatment plantMO AVG report only all year
YDPFlow, in conduit or thru treatment plantDAILY MX report only all year
YDPFlow, in conduit or thru treatment plantMO AVG report only all year
YDPFlow, in conduit or thru treatment plantDAILY MX report only all year
YDPChlorine, total residualMO AVG <= 9 ug/L all year
YDPChlorine, total residualDAILY MX <= 18 ug/L all year
YDPChlorine, total residualDAILY MX report only all year
YDPChlorine, total residualMO AVG <= 770 g/d all year
YDPChlorine, total residualDAILY MX <= 1550 g/d all year
YDPSolids, total dissolvedMO AVG report only all year
YDPSolids, total dissolvedDAILY MX report only all year
YDPHydrogen sulfideMO AVG report only all year
YDPHydrogen sulfideDAILY MX report only all year
YDPHydrogen sulfideDAILY MX report only all year
YDPMercury, total recoverableMO AVG <= .008 ug/L all year
YDPMercury, total recoverableDAILY MX report only all year
YDPMercury, total recoverableDAILY MX <= .02 ug/L all year
YDPMercury, total recoverableMO AVG <= .7 g/d all year
YDPMercury, total recoverableDAILY MX <= 1 g/d all year

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