TMK - Ipsco Tubulars, Inc. - Blytheville Works

NPDES permit AR0049166 · Minor NON-POTW · administratively continued, expires 2026-06-30 · 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.

This permit expired on 2026-06-30 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

0values over a limit
0required values missing, on 0 form(s)
4of 34 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (51)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX <= 89.6 deg F all year
001Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
001Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L all year
001Oxygen demand, chem. [low level] [COD]MO AVG <= 3.6 lb/d all year
001Oxygen demand, chem. [low level] [COD]DAILY MX <= 5.4 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseMO AVG <= .7 lb/d all year
001Oil & GreaseDAILY MX <= 1.1 lb/d 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
006Temperature, water deg. fahrenheitINST MAX <= 89.6 deg F all year
006Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
006Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L all year
006Oxygen demand, chem. [low level] [COD]MO AVG <= 35 lb/d all year
006Oxygen demand, chem. [low level] [COD]DAILY MX <= 52.6 lb/d all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Oil & GreaseMO AVG <= 10 mg/L all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Oil & GreaseMO AVG <= 7 lb/d all year
006Oil & GreaseDAILY MX <= 10.5 lb/d all year
006Copper, total recoverableMO AVG <= 29.47 ug/L all year
006Copper, total recoverableDAILY MX <= 59.14 ug/L all year
006Copper, total recoverableMO AVG <= .021 lb/d all year
006Copper, total recoverableDAILY MX <= .041 lb/d all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Chlorine, total residualINST MAX < .011 mg/L all year
006Solids, total dissolvedMO AVG <= 411 mg/L all year
006Solids, total dissolvedDAILY MX <= 617 mg/L all year
006Solids, total dissolvedMO AVG <= 288.1 lb/d all year
006Solids, total dissolvedDAILY MX <= 432.5 lb/d all year
TX6WET, sublethal retest #17 DA MIN report only all year
TX6WET, sublethal retest #27 DA MIN report only all year
TX6Whole Effluent Toxicity, Sub-Lethal Retest #37 DA MIN report only all year
TX6Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 100 % all year
TX6Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 80 % all year
TX6Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 100 % all year
TX6Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 80 % all year
TX6Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX6Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX6Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX6Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX6NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX6NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX6NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX6Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX6Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN 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