WRIGHT LON D POWER PLANT

NPDES permit NE0001252 · Minor NON-POTW · effective, expires 2027-09-30 · 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

4values over a limit
14required values missing, on 3 form(s)
13of 73 forms filed late

Last period with anything received: 2026-06-30. Most often over: Chlorine, total residual (3), Temperature, water deg. fahrenheit (1).

Reporting

Reports are due about 22 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (116)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 90 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
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX <= 50 mg/L all year
002Oil and grease, hexane extr methodMO AVG report only all year
002Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Duration of dischargeVALUE report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil and grease, hexane extr methodMO AVG report only all year
003Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
005Temperature, water deg. fahrenheitMO AVG report only all year
005Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
005pHDAILY MN >= 6.5 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 100 mg/L all year
005Oil and grease, hexane extr methodMO AVG report only all year
005Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
005Cadmium, dissolved [as Cd]VALUE report only all year
005Chromium, dissolved [as Cr]VALUE report only all year
005Copper, dissolved [as Cu]VALUE report only all year
005Iron, dissolved [as Fe]VALUE report only all year
005Lead, dissolved [as Pb]VALUE report only all year
005Nickel, dissolved [as Ni]VALUE report only all year
005Zinc, dissolved [as Zn]VALUE report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Chlorine, total residualMO AVG <= .01 mg/L all year
005Chlorine, total residualDAILY MX <= .02 mg/L all year
005Toxicity [acute], Ceriodaphnia dubiaMO AVG report only all year
005Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
005Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only all year
005Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 tox acute all year
005Mercury, dissolved [as Hg]VALUE report only all year
008Temperature, water deg. fahrenheitMO AVG report only all year
008Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
008ConductivityMO AVG report only all year
008ConductivityDAILY MX report only all year
008pHDAILY MN >= 6.5 SU all year
008pHDAILY MX <= 9 SU all year
008Chloride [as Cl]MO AVG report only all year
008Chloride [as Cl]DAILY MX report only all year
008Chromium, total [as Cr]MO AVG <= .2 mg/L all year
008Chromium, total [as Cr]DAILY MX <= .2 mg/L all year
008Zinc, total [as Zn]MO AVG <= 1 mg/L all year
008Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
008Priority PollutantsMO AVG report only all year
008Priority PollutantsDAILY 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
008Chlorine, total residualMO AVG <= .014 mg/L all year
008Chlorine, total residualDAILY MX <= .029 mg/L all year
009pHDAILY MN report only all year
009pHDAILY MX report only all year
009Solids, total suspendedMO AVG report only all year
009Solids, total suspendedDAILY MX report only all year
009Oil and grease, hexane extr methodMO AVG report only all year
009Oil and grease, hexane extr methodDAILY MX report only all year
009Arsenic, total [as As]MO AVG report only all year
009Arsenic, total [as As]DAILY MX report only all year
009Chromium, total [as Cr]MO AVG report only all year
009Chromium, total [as Cr]DAILY MX report only all year
009Copper, total [as Cu]MO AVG report only all year
009Copper, total [as Cu]DAILY MX report only all year
009Iron, total [as Fe]MO AVG report only all year
009Iron, total [as Fe]DAILY MX report only all year
009Zinc, total [as Zn]MO AVG report only all year
009Zinc, total [as Zn]DAILY MX report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Mercury, total recoverableMO AVG report only all year
009Mercury, total recoverableDAILY MX report only all year
CT1pHDAILY MN >= 6 SU all year
CT1pHDAILY MX <= 9 SU all year
CT1Chromium, total [as Cr]MO AVG <= .2 mg/L all year
CT1Chromium, total [as Cr]DAILY MX <= .2 mg/L all year
CT1Zinc, total [as Zn]MO AVG <= 1 mg/L all year
CT1Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
CT1Priority PollutantsMO AVG report only all year
CT1Priority PollutantsDAILY MX report only all year
CT1Flow, in conduit or thru treatment plantMO AVG report only all year
CT1Flow, in conduit or thru treatment plantDAILY MX report only all year
LP1pHDAILY MN >= 6 SU all year
LP1pHDAILY MX <= 9 SU all year
LP1Solids, total suspendedMO AVG <= 30 mg/L all year
LP1Solids, total suspendedDAILY MX <= 100 mg/L all year
LP1Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
LP1Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
LP1Flow, in conduit or thru treatment plantMO AVG report only all year
LP1Flow, in conduit or thru treatment plantDAILY MX report only all year
LP1Flow, totalVALUE report only all year
MC1pHDAILY MN >= 6 SU all year
MC1pHDAILY MX <= 9 SU all year
MC1Solids, total suspendedMO AVG <= 30 ug/L all year
MC1Solids, total suspendedDAILY MX <= 100 ug/L all year
MC1Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
MC1Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
MC1Iron, total [as Fe]MO AVG <= 1 mg/L all year
MC1Iron, total [as Fe]DAILY MX <= 1 mg/L all year
MC1Copper, total recoverableMO AVG <= 1 mg/L all year
MC1Copper, total recoverableDAILY MX <= 1 mg/L all year
MC1Flow, in conduit or thru treatment plantMO AVG report only all year
MC1Flow, 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