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Duke Energy Indiana Noblesville Gen. Station

Electric Services, Noblesville, Indiana. NPDES permit IN0002801, in force until Mar 31, 2030. Last 12 months: no values over a limit, 7 required values missing, 4 of 41 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (18 values), outfall 001 form TS twice a year (2 values), outfall 005 form A monthly (40 values), outfall 201 form A monthly (16 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 4 required values missing, 2 of 37 reports late

Limits in force (98)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 11 mg/Lall year001
Solids, total suspendeddaily maximum≤ 35 mg/Lall year001
Oil and grease, hexane extr methodmonthly average≤ 7.3 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 15 mg/Lall year001
Copper, total recoverablemonthly average≤ .04 mg/Lall year001
Copper, total recoverabledaily maximum≤ .1 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average< .06 mg/Lall year001
Chlorine, total residualdaily maximum< .06 mg/Lall year001
Chlorine, total residualdaily maximum≤ .2 mg/Lall year001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteMar, Sep001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Apr, Oct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 14.5 tox chronicMar, Sep001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 14.5 tox chronic (alert, not enforceable)Apr, Oct001
Chlorination frequencydaily maximum≤ 4 occur/dall year001
Chlorination durationdaily maximum≤ 40 minall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
pHdaily minimum≥ 6 SUall year005
pHdaily maximum≤ 9 SUall year005
Calcium, total recoverablemonthly averagereport only (mg/L)all year005
Calcium, total recoverabledaily maximumreport only (mg/L)all year005
Fluoride, total [as F]monthly averagereport only (mg/L)all year005
Fluoride, total [as F]daily maximumreport only (mg/L)all year005
Arsenic, total recoverablemonthly averagereport only (mg/L)all year005
Arsenic, total recoverabledaily maximumreport only (mg/L)all year005
Cobalt, total recoverablemonthly averagereport only (mg/L)all year005
Cobalt, total recoverabledaily maximumreport only (mg/L)all year005
Iron, total recoverablemonthly averagereport only (mg/L)all year005
Iron, total recoverabledaily maximumreport only (mg/L)all year005
Selenium, total recoverablemonthly averagereport only (mg/L)all year005
Selenium, total recoverabledaily maximumreport only (mg/L)all year005
Thallium, total recoverablemonthly averagereport only (mg/L)all year005
Thallium, total recoverabledaily maximumreport only (mg/L)all year005
Beryllium, total recoverable [as Be]monthly averagereport only (mg/L)all year005
Beryllium, total recoverable [as Be]daily maximumreport only (mg/L)all year005
Barium, total recoverablemonthly averagereport only (mg/L)all year005
Barium, total recoverabledaily maximumreport only (mg/L)all year005
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year005
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year005
Cadmium, total recoverablemonthly averagereport only (mg/L)all year005
Cadmium, total recoverabledaily maximumreport only (mg/L)all year005
Lead, total recoverablemonthly averagereport only (mg/L)all year005
Lead, total recoverabledaily maximumreport only (mg/L)all year005
Molybdenum, total recoverablemonthly averagereport only (mg/L)all year005
Molybdenum, total recoverabledaily maximumreport only (mg/L)all year005
Lithium, total [as Li]monthly averagereport only (mg/L)all year005
Lithium, total [as Li]daily maximumreport only (mg/L)all year005
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (mg/L)all year005
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (mg/L)all year005
Antimony, total recoverablemonthly averagereport only (mg/L)all year005
Antimony, total recoverabledaily maximumreport only (mg/L)all year005
Radium 226 + radium 228, totalmonthly averagereport only (pCi/L)all year005
Radium 226 + radium 228, totaldaily maximumreport only (pCi/L)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Mercury, total recoverablemonthly averagereport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec005
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec005
Boron, totalmonthly averagereport only (mg/L)all year005
Boron, totaldaily maximumreport only (mg/L)all year005
Flow, totalmonthly totalreport only (Mgal/mo)all year005
pHdaily maximumreport only (SU)Dec101
pHdaily maximumreport only (SU)Dec101
Solids, total suspendeddaily maximumreport only (mg/L)Dec101
Solids, total suspendeddaily maximumreport only (mg/L)Dec101
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec101
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec101
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec101
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec101
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Dec101
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Dec101
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec101
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec101
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec101
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec101
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec101
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec101
Storm water flowdaily maximumreport only (MGD)Dec101
Storm water flowdaily maximumreport only (MGD)Dec101
pHdaily minimum≥ 6 SUall year201
pHdaily maximum≤ 9 SUall year201
Solids, total suspendedmonthly averagereport only (mg/L)all year201
Solids, total suspendeddaily maximumreport only (mg/L)all year201
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year201
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year201
Zinc, total recoverablemonthly average≤ 1 mg/Lall year201
Zinc, total recoverabledaily maximum≤ 1 mg/Lall year201
Chromium, total recoverablemonthly average≤ .2 mg/Lall year201
Chromium, total recoverabledaily maximum≤ .2 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
Chlorine, total residualmonthly averagereport only (mg/L)all year201
Chlorine, total residualdaily maximumreport only (mg/L)all year201
Cycles Of Concentrationmonthly averagereport only (c)all year201
Cycles Of Concentrationdaily maximumreport only (c)all year201

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/IN0002801 · MCP: https://passage-data.com/mcp