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Connersville WWTP

Sewage treatment plant, major discharger, Connersville, Indiana. NPDES permit IN0032336, in force until May 31, 2030. Last 12 months: over a limit 2 times (last July 2026), 28 required values missing, 16 of 45 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (28 values), outfall 001 form AQ quarterly (28 values), outfall 002 form C monthly (4 values), outfall 003 form C monthly (4 values), outfall 004 form C monthly (4 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
2 values over a limit, 3 required values missing, 15 of 54 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
July 2026E. coli, colony forming units [CFU], daily maximum291 CFU/100mL≤ 235 CFU/100mL24%
July 2026E. coli, colony forming units [CFU], daily maximum291 CFU/100mL≤ 235 CFU/100mL24%

Limits in force (84)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 5408 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 8111 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 3.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 3.8 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 5.1 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 451 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 613 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 685 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 919 lb/dJan, Feb, Mar, Apr, Dec001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Cyanide, free [as free]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cyanide, free [as free]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cyanide, free [as free]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cyanide, free [as free]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualmonthly average< .06 mg/LApr–Oct001
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct001
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximumreport only (CFU/100mL)Apr–Oct001
Number of Eventsmonthly totalreport only (# exceed)Apr–Oct001
Number of Eventsmonthly totalreport only (#)Apr–Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteMay001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteJun001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteJun001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.6 tox chronicMay001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.6 tox chronicJun001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.6 tox chronicJun001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteMay001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteJun001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteJun001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.6 tox chronicMay001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.6 tox chronicJun001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.6 tox chronicJun001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4506 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 7210 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Durationmonthly totalreport only (hr/mo)all year002
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year002
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year002
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year002
Durationmonthly totalreport only (hr/mo)all year003
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year003
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year003
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year003
Durationmonthly totalreport only (hr/mo)all year004
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year004
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year004
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year004

How strict are these limits?

Cited limits by parameter: Indiana's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

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