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NPDES permit IN0024660 · Major POTW · effective, expires 2027-09-30 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli, colony forming units [CFU] (3).

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 (85)

OutfallParameterStatisticLimitMonths
002pHDAILY MN report only all year
002pHDAILY MX report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualMO AVG <= .01 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002Chlorine, total residualDAILY MX < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
002BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
002Flow, totalMO TOTAL report only all year
005Oxygen, dissolved [DO]DLYAVMIN >= 6.5 mg/L Jun, Jul, Aug
005Oxygen, dissolved [DO]DLYAVMIN >= 7 mg/L Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec
005pHDAILY MN >= 6 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG <= 10 mg/L all year
005Solids, total suspendedMX WK AV <= 15 mg/L all year
005Solids, total suspendedMO AVG <= 1502 lb/d all year
005Solids, total suspendedMX WK AV <= 2253 lb/d all year
005Nitrogen, total [as N]MO AVG report only all year
005Nitrogen, total [as N]MO AVG report only all year
005Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
005Nitrogen, ammonia total [as N]MO AVG <= 1.4 mg/L Jan, Feb, Mar, Apr, Dec
005Nitrogen, ammonia total [as N]DAILY MX <= 2.8 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
005Nitrogen, ammonia total [as N]DAILY MX <= 3.1 mg/L Jan, Feb, Mar, Apr, Dec
005Nitrogen, ammonia total [as N]MO AVG <= 180 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
005Nitrogen, ammonia total [as N]MO AVG <= 210 lb/d Jan, Feb, Mar, Apr, Dec
005Nitrogen, ammonia total [as N]DAILY MX <= 421 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
005Nitrogen, ammonia total [as N]DAILY MX <= 466 lb/d Jan, Feb, Mar, Apr, Dec
005Phosphorus, total [as P]MO AVG <= 1 mg/L all year
005Phosphorus, total [as P]MO AVG report only all year
005Cyanide, free [as free]MO AVG <= .0044 mg/L all year
005Cyanide, free [as free]DAILY MX <= .0089 mg/L all year
005Cyanide, free [as free]MO AVG <= .29 lb/d all year
005Cyanide, free [as free]DAILY MX <= .59 lb/d all year
005Cyanide, free [as free]MO AVG report only all year
005Cyanide, free [as free]DAILY MX report only all year
005Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Cadmium, total recoverableMO AVG report only all year
005Cadmium, total recoverableMO AVG <= .0021 mg/L all year
005Cadmium, total recoverableDAILY MX report only all year
005Cadmium, total recoverableDAILY MX <= .0042 mg/L all year
005Cadmium, total recoverableMO AVG report only all year
005Cadmium, total recoverableMO AVG <= .14 lb/d all year
005Cadmium, total recoverableDAILY MX report only all year
005Cadmium, total recoverableDAILY MX <= .28 lb/d all year
005Cadmium, total recoverableMO AVG report only all year
005Cadmium, total recoverableDAILY MX report only all year
005Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Copper, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Copper, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Copper, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Flow, in conduit or thru treatment plantMO AVG report only all year
005E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
005E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
005Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) Mar, Sep
005Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) Apr, Oct
005Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) Apr, Oct
005Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1.1 tox chronic (alert) Mar, Sep
005Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1.1 tox chronic (alert) Apr, Oct
005Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1.1 tox chronic (alert) Apr, Oct
005Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Mar, Sep
005Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Apr, Oct
005Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Apr, Oct
005Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1.1 tox chronic (alert) Mar, Sep
005Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1.1 tox chronic (alert) Apr, Oct
005Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1.1 tox chronic (alert) Apr, Oct
005BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
005BOD, carbonaceous [5 day, 20 C]MX WK AV <= 15 mg/L all year
005BOD, carbonaceous [5 day, 20 C]MO AVG <= 1502 lb/d all year
005BOD, carbonaceous [5 day, 20 C]MX WK AV <= 2253 lb/d all year
005Phosphorus, total percent removalMO AV MN >= 75 % all year
005Flow, 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