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City of Fort Wayne

Sewage treatment plant, major discharger, Fort Wayne, Indiana. NPDES permit IN0032191, in force until Sep 30, 2031. Last 12 months: over a limit once (last February 2026), 1 of 461 reports late. Source: EPA ECHO, Oct 22, 2026.

Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 504 reports late

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

Period endingParameterReportedLimitOver by
February 2026Solids, total suspended, monthly average10.2 mg/L≤ 10 mg/L2%

Limits in force (308)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 7 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 10 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 8345 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 12518 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≤ 1.1 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.7 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 918 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1335 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 1419 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2003 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]monthly averagereport only (mg/L)all year001
Cyanide, free [as free]daily maximumreport only (mg/L)all year001
Cyanide, free [as free]monthly averagereport only (lb/d)all year001
Cyanide, free [as free]daily maximumreport only (lb/d)all year001
Cyanide, free [as free]monthly averagereport only (mg/L)all year001
Cyanide, free [as free]daily maximumreport only (mg/L)all year001
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (lb/d)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 (lb/d)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverablemonthly averagereport only (mg/L)all year001
Cadmium, total recoverabledaily maximumreport only (mg/L)all year001
Cadmium, total recoverablemonthly averagereport only (lb/d)all year001
Cadmium, total recoverabledaily maximumreport only (lb/d)all year001
Cadmium, total recoverablemonthly averagereport only (mg/L)all year001
Cadmium, total recoverabledaily maximumreport only (mg/L)all year001
Lead, total recoverablemonthly averagereport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)all year001
Lead, total recoverablemonthly averagereport only (lb/d)all year001
Lead, total recoverabledaily maximumreport only (lb/d)all year001
Lead, total recoverablemonthly averagereport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)all year001
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (lb/d)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 (lb/d)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≤ .01 mg/LApr–Oct001
Chlorine, total residualmonthly average≤ .01 mg/LMar, Nov001
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct001
Chlorine, total residualdaily maximum< .06 mg/LMar, Nov001
Chlorine, total residualmonthly average≤ 8.35 lb/dApr–Oct001
Chlorine, total residualmonthly average≤ 8.35 lb/dMar, Nov001
Chlorine, total residualdaily maximum< 50.1 lb/dApr–Oct001
Chlorine, total residualdaily maximum< 50.1 lb/dMar, Nov001
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 acute (alert, not enforceable)Mar, Sep001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Apr, Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Apr, Oct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.1 tox chronic (alert, not enforceable)Mar, Sep001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.1 tox chronic (alert, not enforceable)Apr, Oct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.1 tox chronic (alert, not enforceable)Apr, Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Mar, Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Apr, Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Apr, Oct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.1 tox chronic (alert, not enforceable)Mar, Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.1 tox chronic (alert, not enforceable)Apr, Oct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.1 tox chronic (alert, not enforceable)Apr, Oct001
Mercury, total recoverablerolling average≤ 1.8 ng/LFeb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 7.5 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4173 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 6259 lb/dall year001
Phosphorus, total percent removalmonthly average minimum≥ 65 %all year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Oxygen, dissolved [DO]daily average minimum≥ 7 mg/Lall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 10 mg/Lall year002
Solids, total suspendedmaximum weekly average≤ 15 mg/Lall year002
Solids, total suspendedmonthly average≤ 8345 lb/dall year002
Solids, total suspendedmaximum weekly average≤ 12518 lb/dall year002
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, total [as N]monthly averagereport only (lb/d)all year002
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov002
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec002
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.7 mg/LMay–Nov002
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec002
Nitrogen, ammonia total [as N]monthly average≤ 918 lb/dMay–Nov002
Nitrogen, ammonia total [as N]monthly average≤ 1335 lb/dJan, Feb, Mar, Apr, Dec002
Nitrogen, ammonia total [as N]maximum weekly average≤ 1419 lb/dMay–Nov002
Nitrogen, ammonia total [as N]maximum weekly average≤ 2003 lb/dJan, Feb, Mar, Apr, Dec002
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year002
Phosphorus, total [as P]monthly averagereport only (lb/d)all year002
Cyanide, free [as free]monthly averagereport only (mg/L)all year002
Cyanide, free [as free]daily maximumreport only (mg/L)all year002
Cyanide, free [as free]monthly averagereport only (lb/d)all year002
Cyanide, free [as free]daily maximumreport only (lb/d)all year002
Cyanide, free [as free]monthly averagereport only (mg/L)all year002
Cyanide, free [as free]daily maximumreport only (mg/L)all year002
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Nickel, total recoverabledaily maximumreport only (lb/d)Mar, Jun, Sep, Dec002
Nickel, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Zinc, total recoverabledaily maximumreport only (lb/d)Mar, Jun, Sep, Dec002
Zinc, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Cadmium, total recoverablemonthly averagereport only (mg/L)all year002
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002
Cadmium, total recoverablemonthly averagereport only (lb/d)all year002
Cadmium, total recoverabledaily maximumreport only (lb/d)all year002
Cadmium, total recoverablemonthly averagereport only (mg/L)all year002
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002
Lead, total recoverablemonthly averagereport only (mg/L)all year002
Lead, total recoverabledaily maximumreport only (mg/L)all year002
Lead, total recoverablemonthly averagereport only (lb/d)all year002
Lead, total recoverabledaily maximumreport only (lb/d)all year002
Lead, total recoverablemonthly averagereport only (mg/L)all year002
Lead, total recoverabledaily maximumreport only (mg/L)all year002
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Chromium, total recoverabledaily maximumreport only (lb/d)Mar, Jun, Sep, Dec002
Chromium, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Copper, total recoverabledaily maximumreport only (lb/d)Mar, Jun, Sep, Dec002
Copper, total recoverabledaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Durationmonthly totalreport only (hr/mo)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Chlorine, total residualmonthly average≤ .01 mg/LApr–Oct002
Chlorine, total residualmonthly average≤ .01 mg/LMar, Nov002
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct002
Chlorine, total residualdaily maximum< .06 mg/LMar, Nov002
Chlorine, total residualmonthly average≤ 8.35 lb/dApr–Oct002
Chlorine, total residualmonthly average≤ 8.35 lb/dMar, Nov002
Chlorine, total residualdaily maximum< 50.1 lb/dApr–Oct002
Chlorine, total residualdaily maximum< 50.1 lb/dMar, Nov002
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct002
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct002
E. coli, colony forming units [CFU]daily maximumreport only (CFU/100mL)Apr–Oct002
Number of Eventsmonthly totalreport only (# exceed)Apr–Oct002
Number of Eventsmonthly totalreport only (#)Apr–Oct002
Mercury, total recoverablerolling average≤ 1.8 ng/LFeb, Apr, Jun, Aug, Oct, Dec002
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec002
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec002
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year002
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 7.5 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4173 lb/dall year002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 6259 lb/dall year002
Phosphorus, total percent removalmonthly average minimum≥ 75 %all year002
Flow, totalmonthly totalreport only (Mgal/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
Durationmonthly totalreport only (hr/mo)all year005
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year005
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year005
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year005
Durationmonthly totalreport only (hr/mo)all year007
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year007
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year007
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year007
Durationmonthly totalreport only (hr/mo)all year011
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year011
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year011
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year011
Durationmonthly totalreport only (hr/mo)all year012
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year012
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year012
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year012
Durationmonthly totalreport only (hr/mo)all year013
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year013
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year013
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year013
Durationmonthly totalreport only (hr/mo)all year017
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year017
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year017
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year017
Durationmonthly totalreport only (hr/mo)all year018
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year018
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year018
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year018
Durationmonthly totalreport only (hr/mo)all year020
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year020
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year020
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year020
Durationmonthly totalreport only (hr/mo)all year021
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year021
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year021
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year021
Durationmonthly totalreport only (hr/mo)all year023
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year023
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year023
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year023
Durationmonthly totalreport only (hr/mo)all year024
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year024
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year024
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year024
Durationmonthly totalreport only (hr/mo)all year025
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year025
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year025
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year025
Durationmonthly totalreport only (hr/mo)all year027
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year027
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year027
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year027
Durationmonthly totalreport only (hr/mo)all year028
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year028
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year028
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year028
Durationmonthly totalreport only (hr/mo)all year029
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year029
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year029
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year029
Durationmonthly totalreport only (hr/mo)all year032
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year032
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year032
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year032
Durationmonthly totalreport only (hr/mo)all year033
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year033
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year033
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year033
Durationmonthly totalreport only (hr/mo)all year036
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year036
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year036
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year036
Durationmonthly totalreport only (hr/mo)all year039
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year039
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year039
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year039
Durationmonthly totalreport only (hr/mo)all year045
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year045
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year045
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year045
Durationmonthly totalreport only (hr/mo)all year048
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year048
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year048
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year048
Durationmonthly totalreport only (hr/mo)all year050
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year050
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year050
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year050
Durationmonthly totalreport only (hr/mo)all year051
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year051
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year051
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year051
Durationmonthly totalreport only (hr/mo)all year052
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year052
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year052
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year052
Durationmonthly totalreport only (hr/mo)all year054
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year054
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year054
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year054
Durationmonthly totalreport only (hr/mo)all year055
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year055
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year055
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year055
Durationmonthly totalreport only (hr/mo)all year056
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year056
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year056
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year056
Durationmonthly totalreport only (hr/mo)all year057
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year057
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year057
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year057
Durationmonthly totalreport only (hr/mo)all year060
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year060
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year060
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year060
Durationmonthly totalreport only (hr/mo)all year061
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year061
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year061
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year061
Durationmonthly totalreport only (hr/mo)all year062
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year062
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year062
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year062
Durationmonthly totalreport only (hr/mo)all year064
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year064
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year064
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year064
Durationmonthly totalreport only (hr/mo)all year068
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year068
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year068
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year068
Durationmonthly totalreport only (hr/mo)all year080
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year080
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year080
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year080
Durationmonthly totalreport only (hr/mo)all year081
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year081
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year081
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year081

New limits from Sep 1, 2031

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Cadmium, total recoverable, daily maximum outfall 0011.9 lb/dnew0.2546 lb/d (3 values)0.134×
Cadmium, total recoverable, daily maximum outfall 0010.0031 mg/Lnew0.00089 mg/L (3 values, 1 below detection)0.287×
Cadmium, total recoverable, monthly average outfall 0010.0015 mg/Lnew——
Cadmium, total recoverable, monthly average outfall 0010.93 lb/dnew——
Cyanide, free [as free], daily maximum outfall 0015.7 lb/dnew3.473 lb/d (3 values)0.609×
Cyanide, free [as free], daily maximum outfall 0010.0093 mg/Lnew0.0066 mg/L (3 values, 1 below detection)0.71×
Cyanide, free [as free], monthly average outfall 0010.0046 mg/Lnew——
Cyanide, free [as free], monthly average outfall 0012.8 lb/dnew——
Cadmium, total recoverable, daily maximum outfall 0020.0031 mg/Lnew——
Cadmium, total recoverable, daily maximum outfall 0021.9 lb/dnew——
Cadmium, total recoverable, monthly average outfall 0020.93 lb/dnew——
Cadmium, total recoverable, monthly average outfall 0020.0015 mg/Lnew——
Cyanide, free [as free], daily maximum outfall 0020.0093 mg/Lnew——
Cyanide, free [as free], daily maximum outfall 0025.7 lb/dnew——
Cyanide, free [as free], monthly average outfall 0022.8 lb/dnew——
Cyanide, free [as free], monthly average outfall 0020.0046 mg/Lnew——

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0032191 · MCP: https://passage-data.com/mcp