OPPD NORTH OMAHA STATION

NPDES permit NE0000621 · Major NON-POTW · effective, expires 2028-03-31 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 117 forms filed late

Last period with anything received: 2026-06-30. Most often over: Iron, total [as Fe] (2).

Reporting

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

Limits in force (158)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 104.1 deg F all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU 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 <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .02 mg/L all year
008pHDAILY MN >= 6.5 SU all year
008pHDAILY MX <= 9 SU all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Solids, total suspendedDAILY MX <= 100 mg/L all year
008Oil and grease, hexane extr methodMO AVG report only all year
008Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
008Sulfate, total [as SO4]MO AVG report only all year
008Sulfate, total [as SO4]DAILY MX report only all year
008Arsenic, dissolved [as As]MO AVG report only all year
008Arsenic, dissolved [as As]DAILY MX report only all year
008Cadmium, dissolved [as Cd]MO AVG report only all year
008Cadmium, dissolved [as Cd]DAILY MX report only all year
008Chromium, dissolved [as Cr]MO AVG report only all year
008Chromium, dissolved [as Cr]DAILY MX report only all year
008Copper, dissolved [as Cu]MO AVG report only all year
008Copper, dissolved [as Cu]DAILY MX report only all year
008Copper, total [as Cu]MO AVG <= 1 mg/L all year
008Copper, total [as Cu]DAILY MX <= 1 mg/L all year
008Iron, total [as Fe]MO AVG <= 1 mg/L all year
008Iron, total [as Fe]DAILY MX <= 1 mg/L all year
008Lead, dissolved [as Pb]MO AVG report only all year
008Lead, dissolved [as Pb]DAILY MX report only all year
008Nickel, dissolved [as Ni]MO AVG report only all year
008Nickel, dissolved [as Ni]DAILY MX report only all year
008Zinc, dissolved [as Zn]MO AVG report only all year
008Zinc, dissolved [as Zn]DAILY MX report only all year
008Selenium, dissolved [as Se]MO AVG report only all year
008Selenium, dissolved [as Se]DAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Toxicity [acute], Ceriodaphnia dubiaVALUE report only all year
008Toxicity [acute], Pimephales promelas [Fathead Minnow]VALUE report only all year
008Mercury, dissolved [as Hg]MO AVG report only all year
008Mercury, dissolved [as Hg]DAILY MX report only all year
008Duration of dischargeVALUE report only all year
C01Duration of dischargeVALUE report only all year
C01Flow, totalVALUE report only all year
CL1pHDAILY MN >= 6.5 SU all year
CL1pHDAILY MX <= 9 SU all year
CL1Solids, total suspendedMO AVG <= 30 mg/L all year
CL1Solids, total suspendedDAILY MX <= 100 mg/L all year
CL1Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
CL1Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
CL1Sulfate, total [as SO4]MO AVG report only all year
CL1Sulfate, total [as SO4]DAILY MX report only all year
CL1Arsenic, dissolved [as As]MO AVG report only all year
CL1Arsenic, dissolved [as As]DAILY MX report only all year
CL1Copper, total [as Cu]MO AVG <= 1 mg/L all year
CL1Copper, total [as Cu]DAILY MX <= 1 mg/L all year
CL1Iron, total [as Fe]MO AVG <= 1 mg/L all year
CL1Iron, total [as Fe]DAILY MX <= 1 mg/L all year
CL1Flow, in conduit or thru treatment plantMO AVG report only all year
CL1Flow, in conduit or thru treatment plantDAILY MX report only all year
CL1Duration of dischargeVALUE report only all year
D01pHDAILY MN >= 6.5 SU all year
D01pHDAILY MX <= 9 SU all year
D01Solids, total suspendedMO AVG report only all year
D01Solids, total suspendedDAILY MX report only all year
D01Sulfate, total [as SO4]MO AVG report only all year
D01Sulfate, total [as SO4]DAILY MX report only all year
D01Arsenic, dissolved [as As]MO AVG report only all year
D01Arsenic, dissolved [as As]DAILY MX report only all year
D01Flow, in conduit or thru treatment plantMO AVG report only all year
D01Flow, in conduit or thru treatment plantDAILY MX report only all year
D01Toxicity [acute], Ceriodaphnia dubiaVALUE report only all year
D01Toxicity [acute], Pimephales promelas [Fathead Minnow]VALUE report only all year
N01Solids, total suspendedMO AVG report only all year
N01Solids, total suspendedDAILY MX report only all year
N01Oil and grease, hexane extr methodMO AVG report only all year
N01Oil and grease, hexane extr methodDAILY MX report only all year
N01Flow, in conduit or thru treatment plantMO AVG report only all year
N01Flow, in conduit or thru treatment plantDAILY MX report only all year
PW1pHDAILY MN >= 6.5 SU all year
PW1pHDAILY MX <= 9 SU all year
PW1Solids, total suspendedMO AVG <= 30 mg/L all year
PW1Solids, total suspendedDAILY MX <= 100 mg/L all year
PW1Oil and grease, hexane extr methodMO AVG report only all year
PW1Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
PW1Sulfate, total [as SO4]MO AVG report only all year
PW1Sulfate, total [as SO4]DAILY MX report only all year
PW1Arsenic, total [as As]MO AVG report only all year
PW1Arsenic, total [as As]DAILY MX report only all year
PW1Cadmium, dissolved [as Cd]MO AVG report only all year
PW1Cadmium, dissolved [as Cd]DAILY MX report only all year
PW1Chromium, dissolved [as Cr]MO AVG report only all year
PW1Chromium, dissolved [as Cr]DAILY MX report only all year
PW1Copper, dissolved [as Cu]MO AVG report only all year
PW1Copper, dissolved [as Cu]DAILY MX report only all year
PW1Lead, dissolved [as Pb]MO AVG report only all year
PW1Lead, dissolved [as Pb]DAILY MX report only all year
PW1Nickel, dissolved [as Ni]MO AVG report only all year
PW1Nickel, dissolved [as Ni]DAILY MX report only all year
PW1Zinc, dissolved [as Zn]MO AVG report only all year
PW1Zinc, dissolved [as Zn]DAILY MX report only all year
PW1Selenium, dissolved [as Se]MO AVG report only all year
PW1Selenium, dissolved [as Se]DAILY MX report only all year
PW1Flow, in conduit or thru treatment plantMO AVG report only all year
PW1Flow, in conduit or thru treatment plantDAILY MX report only all year
PW1Toxicity [acute], Ceriodaphnia dubiaVALUE report only all year
PW1Toxicity [acute], Pimephales promelas [Fathead Minnow]VALUE report only all year
PW1Mercury, total [as Hg]MO AVG report only all year
PW1Mercury, total [as Hg]DAILY MX report only all year
RO1pHDAILY MN >= 6.5 SU all year
RO1pHDAILY MX <= 9 SU all year
RO1Solids, total suspendedMO AVG <= 30 mg/L all year
RO1Solids, total suspendedDAILY MX <= 100 mg/L all year
RO1Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
RO1Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
RO1Sulfate, total [as SO4]MO AVG report only all year
RO1Sulfate, total [as SO4]DAILY MX report only all year
RO1Arsenic, dissolved [as As]MO AVG report only all year
RO1Arsenic, dissolved [as As]DAILY MX report only all year
RO1Flow, in conduit or thru treatment plantMO AVG report only all year
RO1Flow, in conduit or thru treatment plantDAILY MX report only all year
S01pHDAILY MN >= 6.5 SU all year
S01pHDAILY MX <= 9 SU all year
S01Solids, total suspendedMO AVG <= 30 mg/L all year
S01Solids, total suspendedDAILY MX <= 100 mg/L all year
S01Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
S01Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
S01Flow, in conduit or thru treatment plantMO AVG report only all year
S01Flow, in conduit or thru treatment plantDAILY MX report only all year
S02pHDAILY MN >= 6.5 SU all year
S02pHDAILY MX <= 9 SU all year
S02Solids, total suspendedMO AVG <= 30 mg/L all year
S02Solids, total suspendedDAILY MX <= 100 mg/L all year
S02Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
S02Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
S02Flow, in conduit or thru treatment plantMO AVG report only all year
S02Flow, in conduit or thru treatment plantDAILY MX report only all year
S03pHDAILY MN >= 6.5 SU all year
S03pHDAILY MX <= 9 SU all year
S03Solids, total suspendedMO AVG <= 30 mg/L all year
S03Solids, total suspendedDAILY MX <= 100 mg/L all year
S03Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
S03Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
S03Flow, in conduit or thru treatment plant30DA AVG report only all year
S03Flow, in conduit or thru treatment plantDAILY MX report only all year
SW1pHDAILY MN >= 6.5 SU all year
SW1pHDAILY MX <= 9 SU all year
SW1Solids, total suspendedMO AVG <= 30 mg/L all year
SW1Solids, total suspendedDAILY MX <= 100 mg/L all year
SW1Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
SW1Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
SW1Sulfate, total [as SO4]MO AVG report only all year
SW1Sulfate, total [as SO4]DAILY MX report only all year
SW1Arsenic, dissolved [as As]MO AVG report only all year
SW1Arsenic, dissolved [as As]DAILY MX report only all year
SW1Flow, in conduit or thru treatment plantMO AVG report only all year
SW1Flow, in conduit or thru treatment plantDAILY MX 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