Town Of Marana

NPDES permit AZ0024520 · Major POTW · effective, expires 2027-08-14 · 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)
0of 29 forms filed late

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

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 (227)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 397 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 596 kg/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001pHDAILY MX report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 397 kg/d all year
001Solids, total suspendedWKLY AVG <= 596 kg/d all year
001Oil & GreaseMO AVG report only all year
001Oil & GreaseDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Cyanide, total [as CN]MO AVG <= 7.9 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 16 ug/L all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]MO AVG <= 105 g/d all year
001Cyanide, total [as CN]DAILY MX <= 212 g/d all year
001Sulfide, total [as S]MO AVG report only all year
001Sulfide, total [as S]DAILY MX report only all year
001Sulfide, total [as S]DAILY MX report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Iron, total recoverableDAILY MX report only all year
001Iron, total recoverableDAILY MX report only all year
001Selenium, total recoverableMO AVG <= 2 ug/L all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX <= 3 ug/L all year
001Selenium, total recoverableMO AVG <= 26 g/d all year
001Selenium, total recoverableDAILY MX <= 40 g/d all year
001Thallium, total recoverableDAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Boron, total recoverableDAILY MX report only all year
001Barium, total recoverableDAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG <= 3.9 ug/L all year
001Lead, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX <= 7.8 ug/L all year
001Lead, total recoverableMO AVG <= 52 g/d all year
001Lead, total recoverableDAILY MX <= 103 g/d all year
001Copper, total recoverableDAILY MX report only all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
0012-Methyl-4,6-dinitrophenolDAILY MX report only all year
001TributyltinDAILY MX report only all year
001DiquatDAILY MX report only all year
001Manganese, total recoverableDAILY MX report only all year
001Uranium, total as U3O8DAILY MX report only all year
001DichlorobromomethaneDAILY MX report only all year
001Carbon tetrachlorideDAILY MX report only all year
0011,2-DichloroethaneDAILY MX report only all year
001BromoformDAILY MX report only all year
001DibromochloromethaneDAILY MX report only all year
001ChloroformDAILY MX report only all year
001TolueneDAILY MX report only all year
001BenzeneDAILY MX report only all year
001.delta.-BHCDAILY MX report only all year
001AcenaphthyleneDAILY MX report only all year
001AcenaphtheneDAILY MX report only all year
001AcroleinDAILY MX report only all year
001AcrylonitrileDAILY MX report only 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] etherDAILY MX report only all year
001Bis[2-chloroethoxy]methaneDAILY MX report only all year
001Bis[2-chloroisopropyl] etherDAILY MX report only all year
001Butyl benzyl phthalateDAILY MX report only all year
001ChlorobenzeneDAILY MX report only all year
001ChryseneDAILY MX report only all year
001Diethyl phthalateDAILY MX report only all year
001Dimethyl phthalateDAILY MX report only all year
0011,2-DiphenylhydrazineDAILY MX report only all year
001Endosulfan sulfateDAILY MX report only all year
001Endrin aldehydeDAILY MX report only all year
001EthylbenzeneDAILY MX report only all year
001FluorantheneDAILY MX report only all year
001FluoreneDAILY MX report only all year
001HexachlorocyclopentadieneDAILY MX report only all year
001HexachlorobutadieneDAILY MX report only all year
001HexachloroethaneDAILY MX report only all year
001Indeno[1,2,3-cd]pyreneDAILY MX report only all year
001IsophoroneDAILY MX report only all year
001Methyl bromide [Bromomethane]DAILY MX report only all year
001Methyl chloride [Chloromethane]DAILY MX report only all year
001Methylene chlorideDAILY MX report only all year
001N-Nitrosodi-N-propylamineDAILY MX report only all year
001N-NitrosodiphenylamineDAILY MX report only all year
001N-Nitrosodimethylamine [NDMA]DAILY MX report only all year
001NitrobenzeneDAILY MX report only all year
001PhenanthreneDAILY MX report only all year
001PyreneDAILY MX report only all year
001TetrachloroethyleneDAILY MX report only all year
0011,1-DichloroethaneDAILY MX report only all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneDAILY MX report only all year
0011,1,2,2-TetrachloroethaneDAILY MX report only all year
001Benzo[ghi]peryleneDAILY MX report only all year
001Benzo[a]anthraceneDAILY MX report only all year
0011,2-DichlorobenzeneDAILY 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
0011,3-DichlorobenzeneDAILY MX report only all year
0011,4-DichlorobenzeneDAILY MX report only 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-DinitrotolueneDAILY MX report only all year
0012,4-DinitrophenolDAILY MX report only all year
0012,4,6-TrichlorophenolDAILY MX report only all year
0012,6-DinitrotolueneDAILY MX report only all year
0013,3'-DichlorobenzidineDAILY MX report only 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
0012,3,7,8-Tetrachlorodibenzo-p-dioxinDAILY MX report only all year
001PhenolDAILY MX report only all year
001NaphthaleneDAILY MX report only all year
001OxamylDAILY MX report only all year
001PentachlorophenolDAILY MX report only all year
001SimazineDAILY 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
001BenzidineDAILY MX report only all year
001Vinyl chlorideDAILY MX report only all year
001TrichloroethyleneDAILY MX report only all year
0014,4'-DDTDAILY MX report only all year
0014,4'-DDDDAILY MX report only all year
0014,4'-DDEDAILY MX report only all year
001AldrinDAILY MX report only all year
001.alpha.-BHCDAILY MX report only all year
001.beta.-BHCDAILY MX report only all year
001.gamma.-BHCDAILY MX report only all year
001Chlordane [tech mix. and metabolites]DAILY MX report only all year
001DieldrinDAILY MX report only all year
001Endosulfan, totalDAILY MX report only all year
001ToxapheneDAILY MX report only all year
001HeptachlorDAILY MX report only all year
001Heptachlor epoxideDAILY MX report only all year
001MethoxychlorDAILY MX report only all year
001Polychlorinated biphenyls [PCBs]DAILY MX report only all year
001MalathionDAILY MX report only all year
001ParathionDAILY MX report only all year
001GuthionDAILY MX report only all year
001HexachlorobenzeneDAILY MX report only all year
001PicloramDAILY MX report only all year
0012,4-Dichlorophenoxyacetic acidDAILY MX report only all year
001MirexDAILY MX report only all year
0011,2-Dibromo-3-chloropropaneDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= 9 ug/L all year
001Chlorine, total residualDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 18 ug/L all year
001Chlorine, total residualMO AVG <= 119 g/d all year
001Chlorine, total residualDAILY MX <= 238 g/d all year
001E. coli, colony forming units [CFU]MO AVG <= 126 CFU/100mL all year
001E. coli, colony forming units [CFU]DAILY MX report only all year
001E. coli, colony forming units [CFU]DAILY MX <= 575 CFU/100mL all year
001Di[2-ethylhexyl] adipateDAILY MX report only all year
001EndothallDAILY MX report only all year
0014-Chloro-3-methylphenolDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001Hydrogen sulfideMO AVG report only all year
001Hydrogen sulfideDAILY MX report only all year
001Hydrogen sulfideDAILY MX report only all year
001Mercury, total recoverableMO AVG <= .01 ug/L all year
001Mercury, total recoverableDAILY MX <= .02 ug/L all year
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableMO AVG <= .13 g/d all year
001Mercury, total recoverableDAILY MX <= .26 g/d all year
001cis-1,2-DichloroethyleneDAILY MX report only all year
0011,3-DichloropropeneDAILY MX report only all year
001Ethylene dibromideDAILY MX report only all year
001AlachlorDAILY MX report only all year
0012,4,5-TPDAILY MX report only all year
001Glyphosate, totalDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001ChlorpyrifosDAILY MX report only all year
001CarbofuranDAILY MX report only all year
001Xylene [mix of m+o+p]DAILY MX report only all year
001StyreneDAILY MX report only all year
001Trihalomethane, tot.DAILY MX report only all year
001ParaquatDAILY MX report only all year
001Permethrin, total recoverableDAILY MX report only all year
001ChloroethaneDAILY MX report only all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubiaMO MED report only all year
001Pass/Fail Static 96 Hr Acute Pimephales PromelasMO MED report only all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)MO MED <= 1 tox chronic all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)DAILY MX <= 1.6 tox chronic all year
001Static 7Day Chronic Pimephales PromelasMO MED report only all year
001Static 7Day Chronic Pimephales PromelasDAILY MX report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMO AVG report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CWKLY AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedWKLY AVG 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