Apache Junction Sewer District

NPDES permit AZ0023931 · Major POTW · effective, expires 2029-07-23 · 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.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
3of 46 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (147)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY 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. CMO AVG <= 341 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 511 kg/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 341 kg/d all year
001Solids, total suspendedWKLY AVG <= 511 kg/d all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseMO AVG <= 110 kg/d all year
001Oil & GreaseDAILY MX <= 170 kg/d 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]MO AVG <= 1 Ratio all year
001Nitrogen, ammonia total [as N]DAILY MX <= 2 Ratio 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]MO AVG <= 90 g/d all year
001Cyanide, total [as CN]DAILY MX <= 180 g/d all year
001Sulfide, total [as S]MO AVG 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
001Iron, total recoverableMO AVG <= 600 ug/L all year
001Iron, total recoverableDAILY MX <= 2000 ug/L all year
001Iron, total recoverableMO AVG <= 7000 g/d all year
001Iron, total recoverableDAILY MX <= 20000 g/d all year
001Selenium, total recoverableMO AVG <= 2 ug/L all year
001Selenium, total recoverableDAILY MX <= 3 ug/L all year
001Selenium, total recoverableMO AVG <= 20 g/d all year
001Selenium, total recoverableDAILY MX <= 40 g/d all year
001Copper, total recoverableMO AVG <= 9.6 ug/L all year
001Copper, total recoverableDAILY MX <= 27 ug/L all year
001Copper, total recoverableMO AVG <= 110 g/d all year
001Copper, total recoverableDAILY MX <= 310 g/d all year
001Chromium, hexavalent dissolved [as Cr]MO AVG <= 7.7 ug/L all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX <= 16 ug/L all year
001Chromium, hexavalent dissolved [as Cr]MO AVG <= 88 g/d all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX <= 180 g/d all year
001MethoxychlorMO AVG <= .02 ug/L all year
001MethoxychlorDAILY MX <= .05 ug/L all year
001MethoxychlorMO AVG <= .3 g/d all year
001MethoxychlorDAILY MX <= .6 g/d 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 <= 18 ug/L all year
001Chlorine, total residualMO AVG <= 100 g/d all year
001Chlorine, total residualDAILY MX <= 210 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 <= 575 CFU/100mL all year
001Hydrogen sulfideMO AVG report only all year
001Hydrogen sulfideDAILY MX report only all year
001Mercury, total recoverableMO AVG <= .006 ug/L all year
001Mercury, total recoverableDAILY MX <= .02 ug/L all year
001Mercury, total recoverableMO AVG <= .06 g/d all year
001Mercury, total recoverableDAILY MX <= .2 g/d all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Pass/Fail Static 96Hr Acute Ceriodaphnia DubiaMO MED <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 96Hr Acute Pimephales PromelasMO MED <= 0 pass=0;fail=1 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
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMO MED <= 1 tox chronic all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX <= 1.6 tox chronic all year
001TU Static Renewal 7-Day Chronic Pimphales promelasMO MED <= 1 tox chronic all year
001TU Static Renewal 7-Day Chronic Pimphales promelasDAILY MX <= 1.6 tox chronic all year
01BTemperature, water deg. centigradeMO AVG report only all year
01BTemperature, water deg. centigradeDAILY MX report only all year
01BBOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
01BBOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
01BBOD, 5-day, 20 deg. CMO AVG <= 740 kg/d all year
01BBOD, 5-day, 20 deg. CWKLY AVG <= 1100 kg/d all year
01BpHMINIMUM >= 6.5 SU all year
01BpHMAXIMUM <= 9 SU all year
01BSolids, total suspendedMO AVG <= 30 mg/L all year
01BSolids, total suspendedWKLY AVG <= 45 mg/L all year
01BSolids, total suspendedMO AVG <= 740 kg/d all year
01BSolids, total suspendedWKLY AVG <= 1100 kg/d all year
01BOil & GreaseMO AVG <= 10 mg/L all year
01BOil & GreaseDAILY MX <= 15 mg/L all year
01BOil & GreaseMO AVG <= 250 kg/d all year
01BOil & GreaseDAILY MX <= 370 kg/d all year
01BNitrogen, ammonia total [as N]MO AVG report only all year
01BNitrogen, ammonia total [as N]DAILY MX report only all year
01BNitrogen, ammonia total [as N]MO AVG <= 1 Ratio all year
01BNitrogen, ammonia total [as N]DAILY MX <= 2 Ratio all year
01BCyanide, total [as CN]MO AVG <= 7.9 ug/L all year
01BCyanide, total [as CN]DAILY MX <= 16 ug/L all year
01BCyanide, total [as CN]MO AVG <= 200 g/d all year
01BCyanide, total [as CN]DAILY MX <= 390 g/d all year
01BSulfide, total [as S]MO AVG report only all year
01BSulfide, total [as S]DAILY MX report only all year
01BHardness, total [as CaCO3]MO AVG report only all year
01BHardness, total [as CaCO3]DAILY MX report only all year
01BIron, total recoverableMO AVG <= 600 ug/L all year
01BIron, total recoverableDAILY MX <= 2000 ug/L all year
01BIron, total recoverableMO AVG <= 20000 g/d all year
01BIron, total recoverableDAILY MX <= 40000 g/d all year
01BSelenium, total recoverableMO AVG <= 2 ug/L all year
01BSelenium, total recoverableDAILY MX <= 3 ug/L all year
01BSelenium, total recoverableMO AVG <= 40 g/d all year
01BSelenium, total recoverableDAILY MX <= 80 g/d all year
01BCopper, total recoverableMO AVG <= 9.6 ug/L all year
01BCopper, total recoverableDAILY MX <= 27 ug/L all year
01BCopper, total recoverableMO AVG <= 240 g/d all year
01BCopper, total recoverableDAILY MX <= 670 g/d all year
01BChromium, hexavalent dissolved [as Cr]MO AVG <= 7.7 ug/L all year
01BChromium, hexavalent dissolved [as Cr]DAILY MX <= 16 ug/L all year
01BChromium, hexavalent dissolved [as Cr]MO AVG <= 190 g/d all year
01BChromium, hexavalent dissolved [as Cr]DAILY MX <= 390 g/d all year
01BMethoxychlorMO AVG <= .02 ug/L all year
01BMethoxychlorDAILY MX <= .05 ug/L all year
01BMethoxychlorMO AVG <= .6 g/d all year
01BMethoxychlorDAILY MX <= 1 g/d all year
01BFlow, in conduit or thru treatment plantDAILY MX report only all year
01BChlorine, total residualMO AVG <= 9 ug/L all year
01BChlorine, total residualDAILY MX <= 18 ug/L all year
01BChlorine, total residualMO AVG <= 220 g/d all year
01BChlorine, total residualDAILY MX <= 440 g/d all year
01BE. coli, colony forming units [CFU]MO AVG <= 126 CFU/100mL all year
01BE. coli, colony forming units [CFU]DAILY MX <= 575 CFU/100mL all year
01BHydrogen sulfideMO AVG report only all year
01BHydrogen sulfideDAILY MX report only all year
01BMercury, total recoverableMO AVG <= .006 ug/L all year
01BMercury, total recoverableDAILY MX <= .02 ug/L all year
01BMercury, total recoverableMO AVG <= .1 g/d all year
01BMercury, total recoverableDAILY MX <= .4 g/d all year
01BBOD, 5-day, percent removalMO AV MN >= 85 % all year
01BSolids, suspended percent removalMO AV MN >= 85 % all year
01BPass/Fail Static Renewal 96Hr Acute Ceriodaphnia dubiaMO MED <= 0 pass=0;fail=1 all year
01BPass/Fail Static Renewal 96Hr Acute Pimephales PromelasMO MED <= 0 pass=0;fail=1 all year
01BTU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)MO MED <= 1 tox chronic all year
01BTU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)DAILY MX <= 1.6 tox chronic all year
01BTU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMO MED <= 1 tox chronic all year
01BTU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX <= 1.6 tox chronic all year
01BTU Static Renewal 7-Day Chronic Pimphales promelasMO MED <= 1 tox chronic all year
01BTU Static Renewal 7-Day Chronic Pimphales promelasDAILY MX <= 1.6 tox chronic 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