OPTIMUS STEEL LLC

NPDES permit TX0067695 · Major NON-POTW · administratively continued, expires 2025-01-24 · 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.

This permit expired on 2025-01-24 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

1values over a limit
0required values missing, on 0 form(s)
0of 50 forms filed late

Last period with anything received: 2026-07-31. Most often over: Carbon, tot organic [TOC] (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (50)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV <= 95 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 100 deg F all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 548 lb/d all year
001Solids, total suspendedDAILY MX <= 1096 lb/d all year
001Oil & GreaseDAILY AV <= 181 lb/d all year
001Oil & GreaseDAILY MX <= 274 lb/d all year
001Chromium, total [as Cr]DAILY AV <= 2.6 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 4.1 lb/d all year
001Copper, total [as Cu]DAILY AV <= .11 lb/d all year
001Copper, total [as Cu]DAILY MX <= .22 lb/d all year
001Lead, total [as Pb]DAILY AV <= .15 lb/d all year
001Lead, total [as Pb]DAILY MX <= .46 lb/d all year
001Zinc, total [as Zn]DAILY AV <= .23 lb/d all year
001Zinc, total [as Zn]DAILY MX <= .74 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 1.64 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 3.7 MGD all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
004Flow, in conduit or thru treatment plantDAILY AV report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
TX1Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX1Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
TX1LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX1LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
TX1NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
TX1NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
TX1NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
TX1NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
TX1LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex48HR MIN report only all year
TX1LOAEC Lethal Static Renewal 48HR Acute Daphnia pulexMO AV MN report only all year
TX1LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX1LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
TXALC50 Pass/Fail Static 24Hr Acute D. PulexSINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Pimephales promelasSINGSAMP 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