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NPDES permit IN0036846 · Minor POTW · effective, expires 2029-01-31 · EPA's file as of 2026-09-19

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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

9values over a limit
4required values missing, on 1 form(s)
4of 22 forms filed late

Last period with anything received: 2026-08-31. Most often over: Nitrogen, ammonia total [as N] (6), BOD, carbonaceous [5 day, 20 C] (2), Solids, total suspended (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 (73)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 188 lb/d all year
001Solids, total suspendedMX WK AV <= 282 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 8.7 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 9.1 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 20.2 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 21.2 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 54 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 57 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 126 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 132 lb/d Jan, Feb, Mar, Apr, Dec
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]MO AVG report only all year
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Feb
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Feb
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Feb
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute May, Nov
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute May, Nov
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute May, Nov
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Apr, Oct
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Feb
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Feb
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Feb
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 tox acute May, Nov
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 tox acute May, Nov
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 tox acute May, Nov
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Apr, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 156 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 250 lb/d all year
001Phosphorus, total percent removalMO AV MN >= 75 % all year
001Flow, totalMO TOTAL report only all year
001TU Static 48Hr Acute Daphnia magnaMAXIMUM <= 1 tox acute Feb
001TU Static 48Hr Acute Daphnia magnaMAXIMUM <= 1 tox acute Feb
001TU Static 48Hr Acute Daphnia magnaMAXIMUM <= 1 tox acute Feb
001TU Static 48Hr Acute Daphnia magnaDAILY MX <= 1 tox acute May, Nov
001TU Static 48Hr Acute Daphnia magnaDAILY MX <= 1 tox acute May, Nov
001TU Static 48Hr Acute Daphnia magnaDAILY MX <= 1 tox acute May, Nov
001TU Static 48Hr Acute Daphnia magnaMAXIMUM <= 1 tox acute Apr, Oct
001TU Static 48Hr Acute Daphnia pulexMAXIMUM <= 1 tox acute Feb
001TU Static 48Hr Acute Daphnia pulexMAXIMUM <= 1 tox acute Feb
001TU Static 48Hr Acute Daphnia pulexMAXIMUM <= 1 tox acute Feb
001TU Static 48Hr Acute Daphnia pulexDAILY MX <= 1 tox acute May, Nov
001TU Static 48Hr Acute Daphnia pulexDAILY MX <= 1 tox acute May, Nov
001TU Static 48Hr Acute Daphnia pulexDAILY MX <= 1 tox acute May, Nov
001TU Static 48Hr Acute Daphnia pulexMAXIMUM <= 1 tox acute Apr, Oct
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

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