INDIANA HARBOR & CANAL CONFINED DISPOSAL

NPDES permit IN0062511 · Minor NON-POTW · effective, expires 2031-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

1values over a limit
0required values missing, on 0 form(s)
4of 14 forms filed late

Last period with anything received: 2026-07-31. Most often over: Polychlorinated biphenyls [PCBs] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (59)

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
001Oil and grease, hexane extr methodMO AVG <= 10 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.1 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 2.2 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 2.5 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 5.5 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 6 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 11 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 12.5 lb/d Jan, Feb, Mar, Apr, Dec
001Zinc, total recoverableMO AVG <= 110 ug/L all year
001Zinc, total recoverableDAILY MX <= 220 ug/L all year
001Zinc, total recoverableMO AVG <= .55 lb/d all year
001Zinc, total recoverableDAILY MX <= 1.1 lb/d all year
001Lead, total recoverableMO AVG <= 13 ug/L all year
001Lead, total recoverableDAILY MX <= 22 ug/L all year
001Chromium, total recoverableMO AVG <= 140 ug/L all year
001Chromium, total recoverableDAILY MX <= 270 ug/L all year
001Chromium, total recoverableMO AVG <= .7 lb/d all year
001Chromium, total recoverableDAILY MX <= 1.4 lb/d all year
001Copper, total recoverableMO AVG <= 14 ug/L all year
001Copper, total recoverableDAILY MX <= 28 ug/L all year
001Copper, total recoverableMO AVG <= .07 lb/d all year
001Copper, total recoverableDAILY MX <= .14 lb/d all year
001Chromium, hexavalent dissolved [as Cr]MO AVG <= 8 ug/L all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX <= 16 ug/L all year
001Chromium, hexavalent dissolved [as Cr]MO AVG <= .04 lb/d all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX <= .08 lb/d all year
001Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= 100 ug/L all year
001BenzeneDAILY MX <= 5 ug/L all year
001Benzo[a]pyreneMO AVG <= .075 ug/L all year
001Benzo[a]pyreneDAILY MX <= .18 ug/L all year
001Benzo[a]pyreneMO AVG <= .00038 lb/d all year
001Benzo[a]pyreneDAILY MX <= .0009 lb/d all year
001NaphthaleneDAILY MX <= 10 ug/L all year
001EndrinDAILY MX <= .06 ug/L all year
001Polychlorinated biphenyls [PCBs]MO AVG <= .3 ug/L all year
001Polychlorinated biphenyls [PCBs]DAILY MX < .3 ug/L all year
001Polychlorinated biphenyls [PCBs]MO AVG < .0015 lb/d all year
001Polychlorinated biphenyls [PCBs]DAILY MX < .0015 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
001Chlorine, total residualMO AVG <= .06 mg/L all year
001Chlorine, total residualDAILY MX < .06 mg/L all year
001Chlorine, total residualMO AVG <= .3 lb/d all year
001Chlorine, total residualDAILY MX < .3 lb/d all year
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Aug, Dec
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic Aug, Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Aug, Dec
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic Aug, Dec
001Mercury, total recoverableMO AVG <= 1.3 ng/L Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX <= 3.2 ng/L Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableMO AVG <= .0000065 lb/d Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX <= .000016 lb/d Feb, Apr, Jun, Aug, Oct, Dec
001Flow, totalMO TOTAL 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