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NPDES permit IN0024741 · Major POTW · effective, expires 2031-02-28 · 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 99 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli, colony forming units [CFU] (1), Solids, total suspended (1), Nitrogen, ammonia total [as N] (1).

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 (72)

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
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
004pHDAILY MN >= 6 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedMX WK AV <= 45 mg/L all year
004Solids, total suspendedMO AVG <= 2504 lb/d all year
004Solids, total suspendedMX WK AV <= 3755 lb/d all year
004Nitrogen, total [as N]MO AVG report only all year
004Nitrogen, total [as N]MO AVG report only all year
004Nitrogen, ammonia total [as N]MO AVG <= 6.1 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
004Nitrogen, ammonia total [as N]MO AVG <= 9.4 mg/L Jan, Feb, Mar, Apr, Dec
004Nitrogen, ammonia total [as N]MX WK AV <= 9.2 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
004Nitrogen, ammonia total [as N]MX WK AV <= 14.1 mg/L Jan, Feb, Mar, Apr, Dec
004Nitrogen, ammonia total [as N]MO AVG <= 509 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
004Nitrogen, ammonia total [as N]MO AVG <= 784 lb/d Jan, Feb, Mar, Apr, Dec
004Nitrogen, ammonia total [as N]MX WK AV <= 768 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
004Nitrogen, ammonia total [as N]MX WK AV <= 1177 lb/d Jan, Feb, Mar, Apr, Dec
004Phosphorus, total [as P]MO AVG <= 1 mg/L all year
004Phosphorus, total [as P]MO AVG report only all year
004Copper, total recoverableMO AVG <= .039 mg/L all year
004Copper, total recoverableDAILY MX <= .078 mg/L all year
004Copper, total recoverableDAILY MX report only all year
004DurationMO TOTAL report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
004E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
004Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) Feb, Aug
004Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) Mar, Sep
004Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) Mar, Sep
004Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 3.6 tox chronic (alert) Feb, Aug
004Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 3.6 tox chronic (alert) Mar, Sep
004Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 3.6 tox chronic (alert) Mar, Sep
004Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Feb, Aug
004Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Mar, Sep
004Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Mar, Sep
004Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 3.6 tox chronic (alert) Feb, Aug
004Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 3.6 tox chronic (alert) Mar, Sep
004Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 3.6 tox chronic (alert) Mar, Sep
004Mercury, total recoverableMO AVG <= 12 ng/L Feb, Apr, Jun, Aug, Oct, Dec
004Mercury, total recoverableDAILY MX <= 20 ng/L Feb, Apr, Jun, Aug, Oct, Dec
004Mercury, total recoverableDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
004Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
004Precipitation, monthly accumulationMO TOTAL report only all year
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
004BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 2086 lb/d all year
004BOD, carbonaceous [5 day, 20 C]MX WK AV <= 3338 lb/d all year
004Flow, totalMO TOTAL report only all year
004Discharge event observation [Visual Monitoring]MO TOTAL report only all year
005DurationMO TOTAL report only all year
005Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
005Precipitation, monthly accumulationMO TOTAL report only all year
005Discharge event observation [Visual Monitoring]MO TOTAL report only all year
006DurationMO TOTAL report only all year
006Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
006Precipitation, monthly accumulationMO TOTAL report only all year
006Discharge 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
013DurationMO TOTAL report only all year
013Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
013Precipitation, monthly accumulationMO TOTAL report only all year
013Discharge event observation [Visual Monitoring]MO 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