Michigan Seamless Tube, LLC

NPDES permit MI0001902 · Major NON-POTW · effective, expires 2028-10-01 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

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

Reporting

Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (72)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Thermal DischargeDAILY MX report only all year
001Total production - massMO TOTAL report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 130 lb/d all year
001Solids, total suspendedDAILY MX <= 310 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG = 160 lb/d all year
001Solids, total suspendedDAILY MX = 380 lb/d all year
001Oil & GreaseMO AVG report only all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Oil & GreaseMO AVG <= 40 lb/d all year
001Oil & GreaseDAILY MX = 80 lb/d all year
001Oil & GreaseMO AVG report only all year
001Oil & GreaseDAILY MX = 10 mg/L all year
001Oil & GreaseMO AVG = 50 lb/d all year
001Oil & GreaseDAILY MX = 80 lb/d all year
001Phosphorus, total [as P]MO AVG <= .25 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]ANNL MAX <= 640 lb/yr all year
001Phosphorus, total [as P]MO MAX report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]MO AVG report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]MO AVG = .39 lb/d all year
001Lead, total [as Pb]DAILY MX = 1.2 lb/d all year
001Lead, total [as Pb]MO AVG report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]MO AVG = .49 lb/d all year
001Lead, total [as Pb]DAILY MX = 1.5 lb/d all year
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG <= .52 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 1.6 lb/d all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG = .65 lb/d all year
001Zinc, total [as Zn]DAILY MX = 1.9 lb/d all year
001Cyanide [A]MO AVG = 8.5 ug/L all year
001Cyanide [A]DAILY MX report only all year
001Cyanide [A]MO AVG <= .07 lb/d all year
001Cyanide [A]DAILY MX report only all year
001Toxicity, choice of speciesMO AVG report only all year
001Toxicity, choice of speciesVALUE report only all year
001TetrachloroethyleneDAILY MX < 1 ug/L all year
001NaphthaleneDAILY MX < 1 ug/L 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 residualDAILY MX <= 38 ug/L all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX = 1 tox acute all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]1D = 3 ng/L all year
001Mercury, total [as Hg]1D = .000025 lb/d all year
001Outfall observation,visual, y/n responseVALUE report only all year
001TU Static 24 Hr Acute Pimephales promelasDAILY MX = 1 tox acute all year
001Static 48 Hr Chronic Pimphales PromelasMO AVG report only all year
001Static 48 Hr Chronic Pimphales PromelasVALUE 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