Nucor Steel Memphis, Inc.

NPDES permit TN0080403 · Minor NON-POTW · effective, expires 2030-12-31 · 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

1values over a limit
0required values missing, on 0 form(s)
3of 42 forms filed late

Last period with anything received: 2026-08-31. Most often over: Oil & Grease (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (38)

OutfallParameterStatisticLimitMonths
001pHMINIMUM > 6 SU all year
001pHMAXIMUM < 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Oil and greaseDAILY MX report only all year
001RainfallTOTAL report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM report only all year
001LC50 Static 48Hr Acute Pimephales promelasMINIMUM report only all year
01ApHDAILY MX report only all year
01ApHDAILY MX report only all year
01ASolids, total suspendedMO AVG <= 51.4 lb/d all year
01ASolids, total suspendedDAILY MX <= 140 lb/d all year
01ASolids, total suspendedMO AVG <= 77.1 lb/d all year
01ASolids, total suspendedDAILY MX <= 210 lb/d all year
01ALead, total [as Pb]MO AVG <= .45 lb/d all year
01ALead, total [as Pb]DAILY MX <= 1.36 lb/d all year
01ALead, total [as Pb]MO AVG <= .68 lb/d all year
01ALead, total [as Pb]DAILY MX <= 2.04 lb/d all year
01AZinc, total [as Zn]MO AVG <= .67 lb/d all year
01AZinc, total [as Zn]DAILY MX <= 2.04 lb/d all year
01AZinc, total [as Zn]MO AVG <= 1 lb/d all year
01AZinc, total [as Zn]DAILY MX <= 3.06 lb/d all year
01AOil and greaseMO AVG <= 10.9 lb/d all year
01AOil and greaseDAILY MX <= 32.9 lb/d all year
01AOil and greaseMO AVG <= 16.4 lb/d all year
01AOil and greaseDAILY MX <= 49.3 lb/d all year
01AFlow, in conduit or thru treatment plantDAILY MX report only all year
01AFlow, in conduit or thru treatment plantDAILY MX report only all year
SW2pHDAILY MN > 6 SU all year
SW2pHDAILY MX < 9 SU all year
SW2Solids, total suspendedDAILY MX report only all year
SW2Lead, total [as Pb]DAILY MX report only all year
SW2Zinc, total [as Zn]DAILY MX report only all year
SW2Aluminum, total [as Al]DAILY MX report only all year
SW2Flow, 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