US STEEL GRAND CALUMET RIVER DREDGING

NPDES permit IN0061077 · Major NON-POTW · effective, expires 2027-06-30 · 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.

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

0values over a limit
3required values missing, on 1 form(s)
0of 17 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among IN permits in EPA's filings — check your permit).

Limits in force (143)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 5 mg/L all year
001Solids, total suspendedDAILY MX <= 10 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease, hexane extr methodMO AVG <= 10 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
001Oil and grease, hexane extr methodMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.6 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 2.6 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 5.2 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 5.3 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 4.8 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 4.8 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 9.5 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 9.7 lb/d Jan, Feb, Mar, Apr, Dec
001Cyanide, free [as free]MO AVG report only all year
001Cyanide, free [as free]DAILY MX report only all year
001Cyanide, free [as free]MO AVG report only all year
001Cyanide, free [as free]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableDAILY MX report only all year
001Thallium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
001Thallium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Thallium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
001Thallium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG <= 180 ug/L all year
001Zinc, total recoverableDAILY MX <= 350 ug/L all year
001Zinc, total recoverableMO AVG <= .33 lb/d all year
001Zinc, total recoverableDAILY MX <= .64 lb/d all year
001Lead, total recoverableMO AVG <= 59 ug/L all year
001Lead, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG <= 21 ug/L all year
001Copper, total recoverableDAILY MX <= 41 ug/L all year
001Copper, total recoverableMO AVG <= .039 lb/d all year
001Copper, total recoverableDAILY MX <= .075 lb/d all year
001Vanadium, total recoverableMO AVG report only all year
001Vanadium, total recoverableDAILY MX report only all year
001Vanadium, total recoverableMO AVG report only all year
001Vanadium, total recoverableDAILY MX report only all year
001Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
001Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
001Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001BenzeneMO AVG <= 5 ug/L all year
001BenzeneDAILY MX report only all year
001BenzeneMO AVG report only all year
001BenzeneDAILY MX report only all year
001AcenaphthyleneMO AVG report only all year
001AcenaphthyleneDAILY MX report only all year
001AcenaphthyleneMO AVG report only all year
001AcenaphthyleneDAILY MX report only all year
001AcenaphtheneMO AVG <= 6 ug/L all year
001AcenaphtheneDAILY MX report only all year
001AcenaphtheneMO AVG report only all year
001AcenaphtheneDAILY MX report only all year
001AnthraceneMO AVG report only all year
001AnthraceneDAILY MX report only all year
001AnthraceneMO AVG report only all year
001AnthraceneDAILY MX report only all year
001ChryseneMO AVG report only all year
001ChryseneDAILY MX report only all year
001ChryseneMO AVG report only all year
001ChryseneDAILY MX report only all year
001FluoreneMO AVG <= 3 ug/L all year
001FluoreneDAILY MX report only all year
001FluoreneMO AVG report only all year
001FluoreneDAILY MX report only all year
001PhenanthreneMO AVG report only all year
001PhenanthreneDAILY MX report only all year
001PhenanthreneMO AVG report only all year
001PhenanthreneDAILY MX report only all year
0012,4-DimethylphenolMO AVG <= 8.6 ug/L all year
0012,4-DimethylphenolDAILY MX report only all year
0012,4-DimethylphenolMO AVG report only all year
0012,4-DimethylphenolDAILY MX report only all year
001NaphthaleneMO AVG <= 5.1 ug/L all year
001NaphthaleneDAILY MX report only all year
001NaphthaleneMO AVG report only all year
001NaphthaleneDAILY MX report only all year
001Polychlorinated biphenyls [PCBs]MO AVG <= .1 ug/L all year
001Polychlorinated biphenyls [PCBs]DAILY MX <= .3 ug/L all year
001Polychlorinated biphenyls [PCBs]MO AVG <= .00055 lb/d all year
001Polychlorinated biphenyls [PCBs]DAILY MX <= .00055 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
001.alpha.-TerpineolMO AVG report only all year
001.alpha.-TerpineolDAILY MX report only all year
001.alpha.-TerpineolMO AVG report only all year
001.alpha.-TerpineolDAILY MX report only all year
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Jul
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Jun
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Jul
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Jun
001Mercury, total recoverableMO AVG report only Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableMO AVG report only Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001PyridineMO AVG report only all year
001PyridineDAILY MX report only all year
001PyridineMO AVG report only all year
001PyridineDAILY MX report only all year
001AnilineMO AVG report only all year
001AnilineDAILY MX report only all year
001AnilineMO AVG report only all year
001AnilineDAILY MX report only all year
001Benzoic acids, totalMO AVG report only all year
001Benzoic acids, totalDAILY MX report only all year
001Benzoic acids, totalMO AVG report only all year
001Benzoic acids, totalDAILY MX report only all year
001Naphthenic acidMO AVG report only all year
001Naphthenic acidDAILY MX report only all year
001Naphthenic acidMO AVG report only all year
001Naphthenic acidDAILY MX report only all year
0014-MethylphenolMO AVG report only all year
0014-MethylphenolDAILY MX report only all year
0014-MethylphenolMO AVG report only all year
0014-MethylphenolDAILY MX report only all year
001DibenzofuranMO AVG report only all year
001DibenzofuranDAILY MX report only all year
001DibenzofuranMO AVG report only all year
001DibenzofuranDAILY MX report only all year
001Flow, totalMO TOTAL report only all year
001TU Static 48Hr Acute Daphnia pulexMAXIMUM <= 1 tox acute Jul
001TU Static 48Hr Acute Daphnia pulexMAXIMUM <= 1 tox acute Jun

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