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Duke Energy Indiana Edwardsport Igcc Station

Electric Services, major discharger, Edwardsport, Indiana. NPDES permit IN0002780, in force until Jul 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 002 form A monthly (31 values), outfall 201 form A monthly (6 values), outfall 401 form TD monthly (2 values), outfall 501 form A monthly (13 values), outfall 003 form SQ quarterly, outfall 004 form SQ quarterly, and 2 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 62 reports late

Limits in force (150)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Apr, Nov002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Mar002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Oct002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Dec002
Temperature, water deg. fahrenheitdaily maximum≤ 73 deg FApr, Nov002
Temperature, water deg. fahrenheitdaily maximum≤ 63 deg FMar002
Temperature, water deg. fahrenheitdaily maximum≤ 53 deg FJan, Feb002
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg FMay002
Temperature, water deg. fahrenheitdaily maximum≤ 93 deg FJun–Sep002
Temperature, water deg. fahrenheitdaily maximum≤ 81 deg FOct002
Temperature, water deg. fahrenheitdaily maximum≤ 60 deg FDec002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Dec002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Mar002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Apr, Nov002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Oct002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May002
Temperature, water deg. fahrenheitdaily maximum≤ 60 deg FDec002
Temperature, water deg. fahrenheitdaily maximum≤ 93 deg FJun–Sep002
Temperature, water deg. fahrenheitdaily maximum≤ 53 deg FJan, Feb002
Temperature, water deg. fahrenheitdaily maximum≤ 63 deg FMar002
Temperature, water deg. fahrenheitdaily maximum≤ 73 deg FApr, Nov002
Temperature, water deg. fahrenheitdaily maximum≤ 81 deg FOct002
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg FMay002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 29.1 mg/Lall year002
Solids, total suspendeddaily maximum≤ 96.3 mg/Lall year002
Oil and grease, hexane extr methodmonthly average≤ 10.7 mg/Lall year002
Oil and grease, hexane extr methoddaily maximum≤ 14.3 mg/Lall year002
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Cyanide, free [as free]monthly averagereport only (mg/L)all year002
Cyanide, free [as free]daily maximumreport only (mg/L)all year002
Iron, total recoverablemonthly average≤ 1 mg/Lall year002
Iron, total recoverabledaily maximum≤ 1 mg/Lall year002
Selenium, total recoverablemonthly averagereport only (mg/L)all year002
Selenium, total recoverabledaily maximumreport only (mg/L)all year002
Zinc, total recoverablemonthly average≤ .25 mg/Lall year002
Zinc, total recoverabledaily maximum≤ .51 mg/Lall year002
Cadmium, total recoverablemonthly averagereport only (mg/L)all year002
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002
Chromium, total recoverablemonthly average≤ .2 mg/Lall year002
Chromium, total recoverabledaily maximum≤ .2 mg/Lall year002
Copper, total recoverablemonthly average≤ .042 mg/Lall year002
Copper, total recoverabledaily maximum≤ .084 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualmonthly average< .06 mg/Lall year002
Chlorine, total residualdaily maximum< .06 mg/Lall year002
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jul002
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Aug002
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 16 tox chronic (alert, not enforceable)Jul002
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 16 tox chronic (alert, not enforceable)Aug002
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jul002
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Aug002
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 16 tox chronic (alert, not enforceable)Jul002
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 16 tox chronic (alert, not enforceable)Aug002
Mercury, total recoverablemonthly averagereport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec002
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec002
Flow, totalmonthly totalreport only (Mgal/mo)all year002
pHquarterly maximumreport only (SU)Mar, Jun, Sep, Dec003
pHquarterly maximumreport only (SU)Mar, Jun, Sep, Dec003
Solids, total suspendedquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Solids, total suspendedquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Oil and grease, hexane extr methodquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Oil and grease, hexane extr methodquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Phosphorus, total [as P]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Phosphorus, total [as P]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
BOD, carbonaceous [5 day, 20 C]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
BOD, carbonaceous [5 day, 20 C]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Chemical Oxygen Demand [COD]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Chemical Oxygen Demand [COD]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Storm water flowquarterly maximumreport only (MGD)Mar, Jun, Sep, Dec003
Storm water flowquarterly maximumreport only (MGD)Mar, Jun, Sep, Dec003
pHquarterly maximumreport only (SU)Mar, Jun, Sep, Dec004
pHquarterly maximumreport only (SU)Mar, Jun, Sep, Dec004
Solids, total suspendedquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Solids, total suspendedquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Oil and grease, hexane extr methodquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Oil and grease, hexane extr methodquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Phosphorus, total [as P]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Phosphorus, total [as P]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
BOD, carbonaceous [5 day, 20 C]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
BOD, carbonaceous [5 day, 20 C]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Chemical Oxygen Demand [COD]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Chemical Oxygen Demand [COD]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Storm water flowquarterly maximumreport only (MGD)Mar, Jun, Sep, Dec004
Storm water flowquarterly maximumreport only (MGD)Mar, Jun, Sep, Dec004
pHquarterly maximumreport only (SU)Mar, Jun, Sep, Dec005
pHquarterly maximumreport only (SU)Mar, Jun, Sep, Dec005
Solids, total suspendedquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Solids, total suspendedquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Oil and grease, hexane extr methodquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Oil and grease, hexane extr methodquarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Phosphorus, total [as P]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Phosphorus, total [as P]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
BOD, carbonaceous [5 day, 20 C]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
BOD, carbonaceous [5 day, 20 C]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Chemical Oxygen Demand [COD]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Chemical Oxygen Demand [COD]quarterly maximumreport only (mg/L)Mar, Jun, Sep, Dec005
Storm water flowquarterly maximumreport only (MGD)Mar, Jun, Sep, Dec005
Storm water flowquarterly maximumreport only (MGD)Mar, Jun, Sep, Dec005
Solids, total suspendedmonthly average≤ 30 mg/Lall year201
Solids, total suspendeddaily maximum≤ 60 mg/Lall year201
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year201
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 50 mg/Lall year201
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year401
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year401
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year401
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year401
TU Static 48Hr Acute Daphnia pulexmaximum≤ 1 tox acuteJan, Jul401
TU Static 48Hr Acute Daphnia pulexmaximum≤ 1 tox acuteFeb, Aug401
Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubiamaximum≤ 1 tox acuteJan, Jul401
Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubiamaximum≤ 1 tox acuteFeb, Aug401
TU Static Renewal 48Hr Acute Daphnia magnamaximum≤ 1 tox acuteJan, Jul401
TU Static Renewal 48Hr Acute Daphnia magnamaximum≤ 1 tox acuteFeb, Aug401
TU Static Renewal 96Hr Acute Pimphales promelasmaximum≤ 1 tox acuteJan, Jul401
TU Static Renewal 96Hr Acute Pimphales promelasmaximum≤ 1 tox acuteFeb, Aug401
Solids, total suspendedmonthly average≤ 30 mg/Lall year501
Solids, total suspendeddaily maximum≤ 100 mg/Lall year501
Oil and grease, hexane extr methodmonthly average≤ 15 mg/Lall year501
Oil and grease, hexane extr methoddaily maximum≤ 20 mg/Lall year501
Arsenic, total recoverabledaily maximum≤ .004 mg/Lall year501
Selenium, total recoverablemonthly average≤ .227 mg/Lall year501
Selenium, total recoverabledaily maximum≤ .453 mg/Lall year501
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year501
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year501
Solids, total dissolvedmonthly average≤ 38 mg/Lall year501
Solids, total dissolveddaily maximum≤ 82 mg/Lall year501
Mercury, total recoverablemonthly average≤ 11 ng/Lall year501
Mercury, total recoverabledaily maximum≤ 28 ng/Lall year501

How strict are these limits?

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

Same industry: the 30 Electric Services permits in Indiana.

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/IN0002780 · MCP: https://passage-data.com/mcp