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NPDES permit IN0020176 · Major POTW · effective, expires 2029-11-30 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 92 forms filed late

Last period with anything received: 2026-08-31.

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 (104)

OutfallParameterStatisticLimitMonths
001DurationMO TOTAL report only all year
001Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
001Precipitation, monthly accumulationMO TOTAL report only all year
001Discharge event observation [Visual Monitoring]MO TOTAL report only all year
002DurationMO TOTAL report only all year
002Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
002Precipitation, monthly accumulationMO TOTAL report only all year
002Discharge event observation [Visual Monitoring]MO TOTAL report only all year
003DurationMO TOTAL report only all year
003Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
003Precipitation, monthly accumulationMO TOTAL report only all year
003Discharge event observation [Visual Monitoring]MO TOTAL report only all year
004DurationMO TOTAL report only all year
004Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
004Precipitation, monthly accumulationMO TOTAL report only all year
004Discharge event observation [Visual Monitoring]MO TOTAL report only all year
007DurationMO TOTAL report only all year
007Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
007Precipitation, monthly accumulationMO TOTAL report only all year
007Discharge event observation [Visual Monitoring]MO TOTAL report only all year
008Oxygen, dissolved [DO]DLYAVMIN >= 6 mg/L all year
008pHDAILY MN >= 6 SU all year
008pHDAILY MX <= 9 SU all year
008Solids, total suspendedMO AVG <= 12 mg/L all year
008Solids, total suspendedMX WK AV <= 18 mg/L all year
008Solids, total suspendedMO AVG <= 361 lb/d all year
008Solids, total suspendedMX WK AV <= 541 lb/d all year
008Nitrogen, total [as N]MO AVG report only all year
008Nitrogen, total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]MO AVG <= 1.1 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
008Nitrogen, ammonia total [as N]MO AVG <= 1.6 mg/L Jan, Feb, Mar, Apr, Dec
008Nitrogen, ammonia total [as N]MX WK AV <= 1.6 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
008Nitrogen, ammonia total [as N]MX WK AV <= 2.4 mg/L Jan, Feb, Mar, Apr, Dec
008Nitrogen, ammonia total [as N]MO AVG <= 33 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
008Nitrogen, ammonia total [as N]MO AVG <= 48.1 lb/d Jan, Feb, Mar, Apr, Dec
008Nitrogen, ammonia total [as N]MX WK AV <= 48.1 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
008Nitrogen, ammonia total [as N]MX WK AV <= 72.1 lb/d Jan, Feb, Mar, Apr, Dec
008Phosphorus, total [as P]MO AVG <= 1 mg/L all year
008Phosphorus, total [as P]MO AVG report only all year
008Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Copper, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Copper, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Copper, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Copper, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Molybdenum, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Molybdenum, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Molybdenum, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Molybdenum, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
008Flow, in conduit or thru treatment plantMO AVG report only all year
008E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
008E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
008Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Nov
008Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Dec
008Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Dec
008Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic Nov
008Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic Dec
008Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic Dec
008Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Nov
008Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Dec
008Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Dec
008Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic Nov
008Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic Dec
008Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic Dec
008Mercury, total recoverableMO AVG <= 12 ng/L Feb, Apr, Jun, Aug, Oct, Dec
008Mercury, total recoverableDAILY MX <= 20 ng/L Feb, Apr, Jun, Aug, Oct, Dec
008Mercury, total recoverableDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
008BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
008BOD, carbonaceous [5 day, 20 C]MX WK AV <= 15 mg/L all year
008BOD, carbonaceous [5 day, 20 C]MO AVG <= 300 lb/d all year
008BOD, carbonaceous [5 day, 20 C]MX WK AV <= 451 lb/d all year
008Flow, totalMO TOTAL report only all year
208DurationMO TOTAL report only all year
208Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
208Precipitation, monthly accumulationMO TOTAL report only all year
208Discharge event observation [Visual Monitoring]MO TOTAL report only all year
PRTCopper, dry weightVALUE report only Jun, Dec
PRTCopper, dry weightVALUE report only Jun, Dec
PRTCadmium, dry weightVALUE report only Jun, Dec
PRTCadmium, dry weightVALUE report only Jun, Dec
PRTMolybdenum, sludge, total, dry weight [as Mo]VALUE report only Jun, Dec
PRTMolybdenum, sludge, total, dry weight [as Mo]VALUE report only Jun, Dec
PRTZinc, sludge, total, dry weight [as Zn]VALUE report only Jun, Dec
PRTZinc, sludge, total, dry weight [as Zn]VALUE report only Jun, Dec
PRTLead, sludge, total, dry weight [as Pb]VALUE report only Jun, Dec
PRTLead, sludge, total, dry weight [as Pb]VALUE report only Jun, Dec
PRTNickel, sludge, total, dry weight [as Ni]VALUE report only Jun, Dec
PRTNickel, sludge, total, dry weight [as Ni]VALUE report only Jun, Dec
PRTMercury, sludge, total, dry weight [as Hg]VALUE report only Jun, Dec
PRTMercury, sludge, total, dry weight [as Hg]VALUE report only Jun, Dec

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