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Aes Indiana - Eagle Valley Generating Station

Electric Services, major discharger, Martinsville, Indiana. NPDES permit IN0004693, in force until Mar 31, 2028. Last 12 months: over a limit 4 times (last February 2026), 65 required values missing, 3 of 26 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 003 form A monthly (61 values), outfall 003 form TS twice a year (2 values), outfall 103 form A monthly (60 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 2 required values missing, 0 of 28 reports late

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

Period endingParameterReportedLimitOver by
October 2025Temperature, water deg. fahrenheit, daily maximum81.91 deg F≤ 81 deg F1%
November 2025Temperature, water deg. fahrenheit, daily maximum75.05 deg F≤ 73 deg F3%
February 2026Temperature, water deg. fahrenheit, daily maximum53.24 deg F≤ 53 deg F0%
February 2026Temperature, water deg. fahrenheit, daily maximum53.24 deg F≤ 53 deg F0%

Limits in force (139)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year003
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year003
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Mar003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Apr, Nov003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Oct003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Dec003
Temperature, water deg. fahrenheitdaily maximum≤ 53 deg FJan, Feb003
Temperature, water deg. fahrenheitdaily maximum≤ 63 deg FMar003
Temperature, water deg. fahrenheitdaily maximum≤ 73 deg FApr, Nov003
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg FMay003
Temperature, water deg. fahrenheitdaily maximum≤ 93 deg FJun–Sep003
Temperature, water deg. fahrenheitdaily maximum≤ 81 deg FOct003
Temperature, water deg. fahrenheitdaily maximum≤ 60 deg FDec003
Streamflowmonthly averagereport only (MGD)all year003
Streamflowdaily maximumreport only (MGD)all year003
Chlorine, total residual [dsg. time]daily maximum≤ 120 min/dall year003
pHdaily minimum≥ 6 SUall year003
pHdaily maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 29.2 mg/Lall year003
Solids, total suspendeddaily maximum≤ 97.4 mg/Lall year003
Oil and grease, hexane extr methodmonthly average≤ 14.6 mg/Lall year003
Oil and grease, hexane extr methoddaily maximum≤ 19.5 mg/Lall year003
Chloride [as Cl]monthly averagereport only (mg/L)all year003
Chloride [as Cl]daily maximumreport only (mg/L)all year003
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year003
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year003
Fluoride, total [as F]monthly averagereport only (mg/L)all year003
Fluoride, total [as F]daily maximumreport only (mg/L)all year003
Arsenic, total recoverablemonthly averagereport only (mg/L)all year003
Arsenic, total recoverabledaily maximumreport only (mg/L)all year003
Cobalt, total recoverablemonthly averagereport only (mg/L)all year003
Cobalt, total recoverabledaily maximumreport only (mg/L)all year003
Selenium, total recoverablemonthly averagereport only (mg/L)all year003
Selenium, total recoverabledaily maximumreport only (mg/L)all year003
Thallium, total recoverablemonthly averagereport only (mg/L)all year003
Thallium, total recoverabledaily maximumreport only (mg/L)all year003
Barium, total recoverablemonthly averagereport only (mg/L)all year003
Barium, total recoverabledaily maximumreport only (mg/L)all year003
Boron, total [as B]monthly averagereport only (mg/L)all year003
Boron, total [as B]daily maximumreport only (mg/L)all year003
Zinc, total recoverablemonthly averagereport only (mg/L)all year003
Zinc, total recoverabledaily maximumreport only (mg/L)all year003
Cadmium, total recoverablemonthly averagereport only (mg/L)all year003
Cadmium, total recoverabledaily maximumreport only (mg/L)all year003
Lead, total recoverablemonthly averagereport only (mg/L)all year003
Lead, total recoverabledaily maximumreport only (mg/L)all year003
Chromium, total recoverablemonthly averagereport only (mg/L)all year003
Chromium, total recoverabledaily maximumreport only (mg/L)all year003
Molybdenum, total recoverablemonthly averagereport only (mg/L)all year003
Molybdenum, total recoverabledaily maximumreport only (mg/L)all year003
Lithium, total [as Li]monthly averagereport only (mg/L)all year003
Lithium, total [as Li]daily maximumreport only (mg/L)all year003
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (mg/L)all year003
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (mg/L)all year003
Antimony, total recoverablemonthly averagereport only (mg/L)all year003
Antimony, total recoverabledaily maximumreport only (mg/L)all year003
Oxidants, total residualdaily maximum≤ .2 mg/Lall year003
Oxidants, total residualdaily maximum< .06 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualdaily maximum≤ .2 mg/Lall year003
Chlorine, total residualmonthly average< .06 mg/Lall year003
Chlorine, total residualdaily maximum< .06 mg/Lall year003
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Mar, Sep003
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 35.1 tox chronic (alert, not enforceable)Mar, Sep003
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 35.1 tox chronic (alert, not enforceable)Apr, Oct003
Solids, total dissolvedmonthly averagereport only (mg/L)all year003
Solids, total dissolveddaily maximumreport only (mg/L)all year003
Mercury, total recoverablemonthly average≤ 12 ng/LFeb, Apr, Jun, Aug, Oct, Dec003
Mercury, total recoverabledaily maximum≤ 20 ng/LFeb, Apr, Jun, Aug, Oct, Dec003
Chlorination frequencydaily maximum≤ 4 occur/dall year003
Chlorination durationdaily maximum≤ 40 minall year003
Flow, totalmonthly totalreport only (Mgal/mo)all year003
pHdaily minimum≥ 6 SUall year103
pHdaily maximum≤ 9 SUall year103
Solids, total suspendedmonthly average≤ 24 mg/Lall year103
Solids, total suspendeddaily maximum≤ 78 mg/Lall year103
Oil and grease, hexane extr methodmonthly average≤ 12 mg/Lall year103
Oil and grease, hexane extr methoddaily maximum≤ 16 mg/Lall year103
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year103
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year103
Phosphorus, total [as P]monthly averagereport only (mg/L)all year103
Phosphorus, total [as P]daily maximumreport only (mg/L)all year103
Calcium, total recoverablemonthly averagereport only (mg/L)all year103
Calcium, total recoverabledaily maximumreport only (mg/L)all year103
Chloride [as Cl]monthly averagereport only (mg/L)all year103
Chloride [as Cl]daily maximumreport only (mg/L)all year103
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year103
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year103
Fluoride, total [as F]monthly averagereport only (mg/L)all year103
Fluoride, total [as F]daily maximumreport only (mg/L)all year103
Arsenic, total recoverablemonthly averagereport only (mg/L)all year103
Arsenic, total recoverabledaily maximumreport only (mg/L)all year103
Cobalt, total recoverablemonthly averagereport only (mg/L)all year103
Cobalt, total recoverabledaily maximumreport only (mg/L)all year103
Selenium, total recoverablemonthly averagereport only (mg/L)all year103
Selenium, total recoverabledaily maximumreport only (mg/L)all year103
Thallium, total recoverablemonthly averagereport only (mg/L)all year103
Thallium, total recoverabledaily maximumreport only (mg/L)all year103
Beryllium, total recoverable [as Be]monthly averagereport only (mg/L)all year103
Beryllium, total recoverable [as Be]daily maximumreport only (mg/L)all year103
Boron, total recoverablemonthly averagereport only (mg/L)all year103
Boron, total recoverabledaily maximumreport only (mg/L)all year103
Barium, total recoverablemonthly averagereport only (mg/L)all year103
Barium, total recoverabledaily maximumreport only (mg/L)all year103
Nickel, total recoverablemonthly averagereport only (mg/L)all year103
Nickel, total recoverabledaily maximumreport only (mg/L)all year103
Zinc, total recoverablemonthly averagereport only (mg/L)all year103
Zinc, total recoverabledaily maximumreport only (mg/L)all year103
Aluminum, total recoverablemonthly averagereport only (mg/L)all year103
Aluminum, total recoverabledaily maximumreport only (mg/L)all year103
Cadmium, total recoverablemonthly averagereport only (mg/L)all year103
Cadmium, total recoverabledaily maximumreport only (mg/L)all year103
Lead, total recoverablemonthly averagereport only (mg/L)all year103
Lead, total recoverabledaily maximumreport only (mg/L)all year103
Chromium, total recoverablemonthly averagereport only (mg/L)all year103
Chromium, total recoverabledaily maximumreport only (mg/L)all year103
Molybdenum, total recoverablemonthly averagereport only (mg/L)all year103
Molybdenum, total recoverabledaily maximumreport only (mg/L)all year103
Lithium, total [as Li]monthly averagereport only (mg/L)all year103
Lithium, total [as Li]daily maximumreport only (mg/L)all year103
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (mg/L)all year103
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (mg/L)all year103
Antimony, total recoverablemonthly averagereport only (mg/L)all year103
Antimony, total recoverabledaily maximumreport only (mg/L)all year103
Manganese, total recoverablemonthly averagereport only (mg/L)all year103
Manganese, total recoverabledaily maximumreport only (mg/L)all year103
Radium 226 + radium 228, totalmonthly averagereport only (pCi/L)all year103
Radium 226 + radium 228, totaldaily maximumreport only (pCi/L)all year103
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year103
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year103
Solids, total dissolvedmonthly averagereport only (mg/L)all year103
Solids, total dissolveddaily maximumreport only (mg/L)all year103
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec103

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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Your permit document is the final word. As JSON: /api/v1/permits/IN0004693 · MCP: https://passage-data.com/mcp