United States Air Force GF

NPDES permit ND0020621 · Major FEDERAL · effective, expires 2029-09-30 · 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)
0of 30 forms filed late

Last period with anything received: 2026-06-30.

Reporting

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

Limits in force (164)

OutfallParameterStatisticLimitMonths
01ATemperature, water deg. centigradeDAILY MN report only all year
01ATemperature, water deg. centigrade30DA AVG report only all year
01ATemperature, water deg. centigradeDAILY MX report only all year
01ABOD, 5-day, 20 deg. CDAILY MN report only all year
01ABOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
01ABOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
01ApHMINIMUM >= 6 SU all year
01ApHMAXIMUM <= 9 SU all year
01ASolids, total suspendedDAILY MN report only all year
01ASolids, total suspendedMO AVG <= 30 mg/L all year
01ASolids, total suspendedMX 7D AV <= 45 mg/L all year
01AOil & GreaseDAILY MX <= 10 mg/L all year
01ANitrogen, total [as N]DAILY MN report only all year
01ANitrogen, total [as N]MO AVG report only all year
01ANitrogen, total [as N]DAILY MX report only all year
01ANitrogen, total [as N]MO AVG report only all year
01ANitrogen, total [as N]DAILY MX report only all year
01ANitrogen, ammonia total [as N]DAILY MN report only all year
01ANitrogen, ammonia total [as N]MO AVG report only all year
01ANitrogen, ammonia total [as N]DAILY MX report only all year
01APhosphorus, total [as P]DAILY MN report only all year
01APhosphorus, total [as P]MO AVG report only all year
01APhosphorus, total [as P]DAILY MX report only all year
01APhosphorus, total [as P]MO AVG report only all year
01APhosphorus, total [as P]DAILY MX report only all year
01ACyanide, total [as CN]DAILY MN report only all year
01ACyanide, total [as CN]DAILY AV report only all year
01ACyanide, total [as CN]DAILY MX report only all year
01AHardness, total [as CaCO3]DAILY MN report only all year
01AHardness, total [as CaCO3]DAILY AV report only all year
01AHardness, total [as CaCO3]DAILY MX report only all year
01AArsenic, total [as As]DAILY MN report only all year
01AArsenic, total [as As]DAILY AV report only all year
01AArsenic, total [as As]DAILY MX report only all year
01ABeryllium, total [as Be]DAILY MN report only all year
01ABeryllium, total [as Be]DAILY AV report only all year
01ABeryllium, total [as Be]DAILY MX report only all year
01ACadmium, total [as Cd]DAILY MN report only all year
01ACadmium, total [as Cd]DAILY AV report only all year
01ACadmium, total [as Cd]DAILY MX report only all year
01AChromium, total [as Cr]DAILY MN report only all year
01AChromium, total [as Cr]DAILY AV report only all year
01AChromium, total [as Cr]DAILY MX report only all year
01ACopper, total [as Cu]DAILY MN report only all year
01ACopper, total [as Cu]DAILY AV report only all year
01ACopper, total [as Cu]DAILY MX report only all year
01ALead, total [as Pb]DAILY MN report only all year
01ALead, total [as Pb]DAILY AV report only all year
01ALead, total [as Pb]DAILY MX report only all year
01AThallium, total [as Tl]DAILY MN report only all year
01AThallium, total [as Tl]DAILY AV report only all year
01AThallium, total [as Tl]DAILY MX report only all year
01ANickel, total [as Ni]DAILY MN report only all year
01ANickel, total [as Ni]DAILY AV report only all year
01ANickel, total [as Ni]DAILY MX report only all year
01ASilver, total [as Ag]DAILY MN report only all year
01ASilver, total [as Ag]DAILY AV report only all year
01ASilver, total [as Ag]DAILY MX report only all year
01AZinc, total [as Zn]DAILY MN report only all year
01AZinc, total [as Zn]DAILY AV report only all year
01AZinc, total [as Zn]DAILY MX report only all year
01AAntimony, total [as Sb]DAILY MN report only all year
01AAntimony, total [as Sb]DAILY AV report only all year
01AAntimony, total [as Sb]DAILY MX report only all year
01ASelenium, total [as Se]DAILY MN report only all year
01ASelenium, total [as Se]DAILY AV report only all year
01ASelenium, total [as Se]DAILY MX report only all year
01ATotal phenolsDAILY MN report only all year
01ATotal phenolsDAILY AV report only all year
01ATotal phenolsDAILY MX report only all year
01AFlow, in conduit or thru treatment plant30DA AVG report only all year
01AFlow, in conduit or thru treatment plantDAILY MX report only all year
01AE. coliDAILY MN report only Apr, May, Jun, Jul, Aug, Sep, Oct
01AE. coli30DAVGEO <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
01AE. coliDAILY MX <= 409 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
01AFlow, totalTOTAL report only all year
01AMercury, total [as Hg]DAILY MN report only all year
01AMercury, total [as Hg]DAILY AV report only all year
01AMercury, total [as Hg]DAILY MX report only all year
01AOil and grease visualTOTAL report only all year
01AToxic Units Static Renewal 48Hr Acute Ceriodaphnia dubiaMAXIMUM <= 1 tox acute all year
01ATU Static Renewal 96Hr Acute Pimphales promelasMAXIMUM <= 1 tox acute all year
01BTemperature, water deg. centigradeDAILY MN report only 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. CDAILY MN report only all year
01BBOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
01BBOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
01BpHMINIMUM >= 6 SU all year
01BpHMAXIMUM <= 9 SU all year
01BSolids, total suspendedDAILY MN report only all year
01BSolids, total suspendedMO AVG <= 30 mg/L all year
01BSolids, total suspendedMX 7D AV <= 45 mg/L all year
01BOil & GreaseDAILY MX <= 10 mg/L all year
01BNitrogen, total [as N]DAILY MN report only all year
01BNitrogen, total [as N]MO AVG report only all year
01BNitrogen, total [as N]DAILY MX report only all year
01BNitrogen, total [as N]MO AVG report only all year
01BNitrogen, total [as N]DAILY MX report only all year
01BNitrogen, ammonia total [as N]DAILY MN report only all year
01BNitrogen, ammonia total [as N]MO AVG report only all year
01BNitrogen, ammonia total [as N]DAILY MX report only all year
01BPhosphorus, total [as P]DAILY MN report only all year
01BPhosphorus, total [as P]MO AVG report only all year
01BPhosphorus, total [as P]DAILY MX report only all year
01BPhosphorus, total [as P]MO AVG report only all year
01BPhosphorus, total [as P]DAILY MX report only all year
01BCyanide, total [as CN]DAILY MN report only all year
01BCyanide, total [as CN]DAILY AV report only all year
01BCyanide, total [as CN]DAILY MX report only all year
01BHardness, total [as CaCO3]DAILY MN report only all year
01BHardness, total [as CaCO3]DAILY AV report only all year
01BHardness, total [as CaCO3]DAILY MX report only all year
01BArsenic, total [as As]DAILY MN report only all year
01BArsenic, total [as As]DAILY AV report only all year
01BArsenic, total [as As]DAILY MX report only all year
01BBeryllium, total [as Be]DAILY MN report only all year
01BBeryllium, total [as Be]DAILY AV report only all year
01BBeryllium, total [as Be]DAILY MX report only all year
01BCadmium, total [as Cd]DAILY MN report only all year
01BCadmium, total [as Cd]DAILY AV report only all year
01BCadmium, total [as Cd]DAILY MX report only all year
01BChromium, total [as Cr]DAILY MN report only all year
01BChromium, total [as Cr]DAILY AV report only all year
01BChromium, total [as Cr]DAILY MX report only all year
01BCopper, total [as Cu]DAILY MN report only all year
01BCopper, total [as Cu]DAILY AV report only all year
01BCopper, total [as Cu]DAILY MX report only all year
01BLead, total [as Pb]DAILY MN report only all year
01BLead, total [as Pb]DAILY AV report only all year
01BLead, total [as Pb]DAILY MX report only all year
01BThallium, total [as Tl]DAILY MN report only all year
01BThallium, total [as Tl]DAILY AV report only all year
01BThallium, total [as Tl]DAILY MX report only all year
01BNickel, total [as Ni]DAILY MN report only all year
01BNickel, total [as Ni]DAILY AV report only all year
01BNickel, total [as Ni]DAILY MX report only all year
01BSilver, total [as Ag]DAILY MN report only all year
01BSilver, total [as Ag]DAILY AV report only all year
01BSilver, total [as Ag]DAILY MX report only all year
01BZinc, total [as Zn]DAILY MN report only all year
01BZinc, total [as Zn]DAILY AV report only all year
01BZinc, total [as Zn]DAILY MX report only all year
01BAntimony, total [as Sb]DAILY MN report only all year
01BAntimony, total [as Sb]DAILY AV report only all year
01BAntimony, total [as Sb]DAILY MX report only all year
01BSelenium, total [as Se]DAILY MN report only all year
01BSelenium, total [as Se]DAILY AV report only all year
01BSelenium, total [as Se]DAILY MX report only all year
01BTotal phenolsDAILY MN report only all year
01BTotal phenolsDAILY AV report only all year
01BTotal phenolsDAILY MX report only all year
01BFlow, in conduit or thru treatment plantMO AVG report only all year
01BFlow, in conduit or thru treatment plantDAILY MX report only all year
01BE. coliDAILY MN report only Apr, May, Jun, Jul, Aug, Sep, Oct
01BE. coli30DAVGEO <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
01BE. coliDAILY MX <= 409 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
01BFlow, totalTOTAL report only all year
01BMercury, total [as Hg]DAILY MN report only all year
01BMercury, total [as Hg]DAILY AV report only all year
01BMercury, total [as Hg]DAILY MX report only all year
01BOil and grease visualTOTAL report only all year
01BToxic Units Static Renewal 48Hr Acute Ceriodaphnia dubiaMAXIMUM <= 1 tox acute all year
01BTU Static Renewal 96Hr Acute Pimphales promelasMAXIMUM <= 1 tox acute 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