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U. S. S. Seamless Tubular Operations, LLC, Lorain

Steel Pipe And Tubes, major discharger, Lorain, Ohio. NPDES permit OH0129003, in force until Jul 31, 2028. Last 12 months: over a limit 2 times (last July 2026), 6 of 78 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (39 values), outfall 006 form A monthly (29 values), outfall 007 form A monthly (51 values), outfall 106 form A monthly (24 values), outfall 600 form A monthly (2 values), outfall 801 form A monthly (8 values)
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 88 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
July 2026Chlorine, total residual, daily maximum.07≤ .027 mg/L159%
July 2026Chlorine, total residual, monthly average.023≤ .016 mg/L44%

Limits in force (173)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [low level] [COD]monthly average≤ 35 mg/Lall year001
Oxygen demand, chem. [low level] [COD]daily maximum≤ 50 mg/Lall year001
Oxygen demand, chem. [low level] [COD]monthly average≤ 2.6 kg/dall year001
Oxygen demand, chem. [low level] [COD]daily maximum≤ 3.8 kg/dall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 1.9 kg/dall year001
Solids, total suspendeddaily maximum≤ 3.4 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ .76 kg/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1.1 kg/dall year001
Carbon, tot organic [TOC]monthly average≤ 12 mg/Lall year001
Carbon, tot organic [TOC]daily maximum≤ 17 mg/Lall year001
Carbon, tot organic [TOC]monthly average≤ .91 kg/dall year001
Carbon, tot organic [TOC]daily maximum≤ 1.3 kg/dall year001
Fluoride, total [as F]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Fluoride, total [as F]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Selenium, total recoverablemonthly average≤ 5 ug/Lall year001
Selenium, total recoverabledaily maximum≤ 69 ug/Lall year001
Selenium, total recoverablemonthly average≤ .00038 kg/dall year001
Selenium, total recoverabledaily maximum≤ .0052 kg/dall year001
Silver total recoverablemonthly averagereport only (ug/L)all year001
Silver total recoverabledaily maximumreport only (ug/L)all year001
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total low levelmonthly average≤ 15.1 ng/Lall year001
Mercury, total low leveldaily maximum≤ 1700 ng/Lall year001
Mercury, total low levelmonthly average≤ .0000012 kg/dall year001
Mercury, total low leveldaily maximum≤ .00013 kg/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ .76 kg/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1.1 kg/dall year001
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec002
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec002
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec002
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec002
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec003
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec003
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec003
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec003
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec004
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec004
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec004
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec004
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec005
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec005
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec005
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec005
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year006
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year006
Thermal Dischargemonthly averagereport only (MBTU/hr)all year006
Thermal Dischargedaily maximumreport only (MBTU/hr)all year006
pHdaily minimum≥ 6.5 SUall year006
pHdaily maximum≤ 9 SUall year006
Solids, total suspendedmonthly average≤ 190 kg/dall year006
Solids, total suspendeddaily maximum≤ 507 kg/dall year006
Oil and grease [soxhlet extr.] tot.daily maximum≤ 10 mg/Lall year006
Oil and grease [soxhlet extr.] tot.daily maximum≤ 127 kg/dall year006
Nickel, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec006
Nickel, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec006
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec006
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec006
Lead, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec006
Lead, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec006
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec006
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec006
Selenium, total [as Se]monthly averagereport only (ug/L)all year006
Selenium, total [as Se]daily maximumreport only (ug/L)all year006
Oxidants, total residualdaily maximum≤ .0048 mg/LJun–Sep006
Oxidants, total residualdaily maximum≤ 0 mg/LJan, Feb, Mar, Apr, May, Oct, Nov, Dec006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Chlorine, total residualmonthly average≤ .016 mg/LJun–Sep006
Chlorine, total residualdaily maximum≤ .027 mg/LJun–Sep006
Chlorine, total residualdaily maximum≤ 0 mg/LJan, Feb, Mar, Apr, May, Oct, Nov, Dec006
Mercury, total low levelmonthly average≤ 4.4 ng/Lall year006
Mercury, total low leveldaily maximum≤ 1700 ng/Lall year006
Mercury, total low levelmonthly average≤ .000056 kg/dall year006
Mercury, total low leveldaily maximum≤ .022 kg/dall year006
Oxygen demand, chem. [low level] [COD]monthly average≤ 35 mg/Lall year007
Oxygen demand, chem. [low level] [COD]daily maximum≤ 50 mg/Lall year007
Oxygen demand, chem. [low level] [COD]monthly average≤ 13 kg/dall year007
Oxygen demand, chem. [low level] [COD]daily maximum≤ 19 kg/dall year007
pHdaily minimum≥ 6.5 SUall year007
pHdaily maximum≤ 9 SUall year007
Solids, total suspendedmonthly average≤ 25 mg/Lall year007
Solids, total suspendeddaily maximum≤ 45 mg/Lall year007
Solids, total suspendedmonthly average≤ 9.5 kg/dall year007
Solids, total suspendeddaily maximum≤ 17 kg/dall year007
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year007
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/Lall year007
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/Lall year007
Nitrogen, ammonia total [as N]monthly average≤ 3.8 kg/dall year007
Nitrogen, ammonia total [as N]daily maximum≤ 5.7 kg/dall year007
Carbon, tot organic [TOC]monthly average≤ 12 mg/Lall year007
Carbon, tot organic [TOC]daily maximum≤ 17 mg/Lall year007
Carbon, tot organic [TOC]monthly average≤ 4.5 kg/dall year007
Carbon, tot organic [TOC]daily maximum≤ 6.4 kg/dall year007
Fluoride, total [as F]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec007
Fluoride, total [as F]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec007
Selenium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec007
Selenium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec007
Silver total recoverablemonthly averagereport only (ug/L)all year007
Silver total recoverabledaily maximumreport only (ug/L)all year007
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec007
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec007
Toluenemonthly averagereport only (ug/L)Sep007
Toluenedaily maximumreport only (ug/L)Sep007
Benzenemonthly averagereport only (ug/L)Sep007
Benzenedaily maximumreport only (ug/L)Sep007
Acenaphthylenemonthly averagereport only (ug/L)Sep007
Acenaphthylenedaily maximumreport only (ug/L)Sep007
2,4-Dimethylphenolmonthly average≤ 19 ug/LMar, Jun, Sep, Dec007
2,4-Dimethylphenoldaily maximum≤ 47 ug/LMar, Jun, Sep, Dec007
2,4-Dimethylphenolmonthly average≤ .0072 kg/dMar, Jun, Sep, Dec007
2,4-Dimethylphenoldaily maximum≤ .018 kg/dMar, Jun, Sep, Dec007
Phenolmonthly averagereport only (ug/L)Sep007
Phenoldaily maximumreport only (ug/L)Sep007
Naphthalenemonthly averagereport only (ug/L)Sep007
Naphthalenedaily maximumreport only (ug/L)Sep007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Mercury, total low levelmonthly average≤ 4.9 ng/Lall year007
Mercury, total low leveldaily maximum≤ 1700 ng/Lall year007
Mercury, total low levelmonthly average≤ .0000019 kg/dall year007
Mercury, total low leveldaily maximum≤ .00064 kg/dall year007
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year007
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year007
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.8 kg/dall year007
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5.7 kg/dall year007
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year106
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year106
pHdaily minimum≥ 6.5 SUall year106
pHdaily maximum≤ 9 SUall year106
Solids, total suspendedmonthly average≤ 60 mg/Lall year106
Solids, total suspendeddaily maximum≤ 103 mg/Lall year106
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year106
Nickel, total [as Ni]monthly averagereport only (ug/L)all year106
Nickel, total [as Ni]daily maximumreport only (ug/L)all year106
Zinc, total recoverablemonthly averagereport only (ug/L)all year106
Zinc, total recoverabledaily maximumreport only (ug/L)all year106
Lead, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec106
Lead, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec106
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec106
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec106
Selenium, total [as Se]monthly averagereport only (ug/L)all year106
Selenium, total [as Se]daily maximumreport only (ug/L)all year106
Oxidants, total residualdaily maximum≤ .0048 mg/LJun–Sep106
Oxidants, total residualdaily maximum≤ 0 mg/LJan, Feb, Mar, Apr, May, Oct, Nov, Dec106
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year106
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year106
Chlorine, total residualmonthly average≤ .016 mg/LJun–Sep106
Chlorine, total residualdaily maximum≤ .027 mg/LJun–Sep106
Chlorine, total residualdaily maximum≤ 0 mg/LJan, Feb, Mar, Apr, May, Oct, Nov, Dec106
Mercury, total low levelmonthly averagereport only (ng/L)all year106
Mercury, total low leveldaily maximumreport only (ng/L)all year106
Mercury, total low levelmonthly averagereport only (ng/L)all year600
Mercury, total low leveldaily maximumreport only (ng/L)all year600
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year801
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year801
Solids, total suspendedmonthly averagereport only (mg/L)all year801
Solids, total suspendeddaily maximumreport only (mg/L)all year801
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year801
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year801
Mercury, total low levelmonthly averagereport only (ng/L)all year801
Mercury, total low leveldaily maximumreport only (ng/L)all year801

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 56 Primary Metal Industries permits in Ohio.

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