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NPDES permit IN0024589 · Minor POTW · effective, expires 2029-07-31 · 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

13values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-07-31. Most often over: Copper, total recoverable (7), BOD, carbonaceous [5 day, 20 C] (5), Chlorine, total residual (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 (56)

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 <= 63 lb/d all year
001Solids, total suspendedMX WK AV <= 94 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 4.8 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 7.2 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 7.2 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 10.8 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 10 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 15 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 15 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 23 lb/d Jan, Feb, Mar, Apr, Dec
001Copper, total recoverableMO AVG <= .049 mg/L all year
001Copper, total recoverableDAILY MX <= .098 mg/L all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualMO AVG < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MN >= .5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL all year
001E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL all year
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Jul
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Aug
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Aug
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 3.7 tox chronic Jul
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 3.7 tox chronic Aug
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 3.7 tox chronic Aug
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Jul
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Aug
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Aug
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 3.7 tox chronic Jul
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 3.7 tox chronic Aug
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 3.7 tox chronic Aug
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 <= 52 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 83 lb/d all year
001Flow, totalMO 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

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