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Vectren Corp - Sigeco A. B. Brown Gen. Station

Electric Services, major discharger, West Franklin, Indiana. NPDES permit IN0052191, in force until Dec 31, 2027. Last 12 months: over a limit 5 times (last June 2026), 1 required value missing, 4 of 37 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form B monthly (61 values), outfall 103 form A monthly (9 values), outfall 203 form A monthly (9 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 38 reports late

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

Period endingParameterReportedLimitOver by
May 2026Silver total recoverable, daily maximum< .009 mg/L≤ .0063 mg/L43%
May 2026Silver total recoverable, monthly average< .005 mg/L≤ .0036 mg/L39%
June 2026Silver total recoverable, daily maximum< .009 mg/L≤ .0063 mg/L43%
June 2026Silver total recoverable, monthly average< .009 mg/L≤ .0036 mg/L150%
June 2026TU Static 48Hr Acute Daphnia magna, daily maximum1.63 tox acute≤ 1 tox acute63%

Limits in force (140)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Alkalinity, total [as CaCO3]monthly averagereport only (mg/L)all year001
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Oil and grease, hexane extr methodmonthly average≤ 10 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 15 mg/Lall year001
Cyanide, free [as free]monthly averagereport only (mg/L)all year001
Cyanide, free [as free]daily maximumreport only (mg/L)all year001
Sodium, total [as Na]monthly averagereport only (mg/L)all year001
Sodium, total [as Na]daily maximumreport only (mg/L)all year001
Chloride [as Cl]monthly average≤ 580 mg/Lall year001
Chloride [as Cl]daily maximum≤ 1200 mg/Lall year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Fluoride, total [as F]monthly averagereport only (mg/L)all year001
Fluoride, total [as F]daily maximumreport only (mg/L)all year001
Arsenic, total recoverablemonthly averagereport only (mg/L)all year001
Arsenic, total recoverabledaily maximumreport only (mg/L)all year001
Cobalt, total recoverablemonthly averagereport only (mg/L)all year001
Cobalt, total recoverabledaily maximumreport only (mg/L)all year001
Iron, total recoverablemonthly averagereport only (mg/L)all year001
Iron, total recoverabledaily maximumreport only (mg/L)all year001
Selenium, total recoverablemonthly average≤ .13 mg/Lall year001
Selenium, total recoverabledaily maximum≤ .26 mg/Lall year001
Thallium, total recoverablemonthly averagereport only (mg/L)all year001
Thallium, total recoverabledaily maximumreport only (mg/L)all year001
Barium, total recoverablemonthly averagereport only (mg/L)all year001
Barium, total recoverabledaily maximumreport only (mg/L)all year001
Boron, total [as B]monthly averagereport only (mg/L)all year001
Boron, total [as B]daily maximumreport only (mg/L)all year001
Nickel, total recoverablemonthly averagereport only (mg/L)all year001
Nickel, total recoverabledaily maximumreport only (mg/L)all year001
Silver total recoverablemonthly average≤ .0036 mg/Lall year001
Silver total recoverabledaily maximum≤ .0063 mg/Lall year001
Aluminum, total recoverablemonthly averagereport only (mg/L)all year001
Aluminum, total recoverabledaily maximumreport only (mg/L)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
Chromium, total recoverablemonthly averagereport only (mg/L)all year001
Chromium, total recoverabledaily maximumreport only (mg/L)all year001
Copper, total recoverablemonthly average≤ .028 mg/Lall year001
Copper, total recoverabledaily maximum≤ .056 mg/Lall year001
Molybdenum, total recoverablemonthly averagereport only (mg/L)all year001
Molybdenum, total recoverabledaily maximumreport only (mg/L)all year001
Lithium, total [as Li]monthly averagereport only (mg/L)all year001
Lithium, total [as Li]daily maximumreport only (mg/L)all year001
Antimony, total recoverablemonthly averagereport only (mg/L)all year001
Antimony, total recoverabledaily maximumreport only (mg/L)all 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≤ .2 mg/Lall year001
Chlorine, total residualdaily maximum< .06 mg/Lall year001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteJun, Dec001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteJan, Jul001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteJun, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteJan, Jul001
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year001
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year001
Bromide [as Br]monthly averagereport only (mg/L)all year001
Bromide [as Br]daily maximumreport only (mg/L)all year001
Mercury, total recoverablemonthly average≤ 12 ng/LFeb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverabledaily maximum≤ 20 ng/LFeb, Apr, Jun, Aug, Oct, Dec001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
TU Static 48Hr Acute Daphnia magnadaily maximum≤ 1 tox acuteJun, Dec001
TU Static 48Hr Acute Daphnia magnadaily maximum≤ 1 tox acuteJan, Jul001
TU Static 48Hr Acute Daphnia pulexmaximum≤ 1 tox acuteJun, Dec001
TU Static 48Hr Acute Daphnia pulexmaximum≤ 1 tox acuteJan, Jul001
pHdaily maximumreport only (SU)Aug005
pHdaily maximumreport only (SU)Aug005
Solids, total suspendeddaily maximumreport only (mg/L)Aug005
Solids, total suspendeddaily maximumreport only (mg/L)Aug005
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Aug005
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Aug005
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Aug005
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Aug005
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Aug005
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Aug005
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Aug005
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Aug005
Phosphorus, total [as P]daily maximumreport only (mg/L)Aug005
Phosphorus, total [as P]daily maximumreport only (mg/L)Aug005
Zinc, total recoverabledaily maximumreport only (mg/L)Aug005
Zinc, total recoverabledaily maximumreport only (mg/L)Aug005
Aluminum, total recoverabledaily maximumreport only (mg/L)Aug005
Aluminum, total recoverabledaily maximumreport only (mg/L)Aug005
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Aug005
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Aug005
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Aug005
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Aug005
Storm water flowdaily maximumreport only (MGD)Aug005
Storm water flowdaily maximumreport only (MGD)Aug005
pHdaily maximumreport only (SU)Aug006
pHdaily maximumreport only (SU)Aug006
Solids, total suspendeddaily maximumreport only (mg/L)Aug006
Solids, total suspendeddaily maximumreport only (mg/L)Aug006
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Aug006
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Aug006
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Aug006
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Aug006
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Aug006
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Aug006
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Aug006
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Aug006
Phosphorus, total [as P]daily maximumreport only (mg/L)Aug006
Phosphorus, total [as P]daily maximumreport only (mg/L)Aug006
Zinc, total recoverabledaily maximumreport only (mg/L)Aug006
Zinc, total recoverabledaily maximumreport only (mg/L)Aug006
Aluminum, total recoverabledaily maximumreport only (mg/L)Aug006
Aluminum, total recoverabledaily maximumreport only (mg/L)Aug006
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Aug006
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Aug006
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Aug006
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Aug006
Storm water flowdaily maximumreport only (MGD)Aug006
Storm water flowdaily maximumreport only (MGD)Aug006
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year103
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year103
Solids, total suspendedmonthly averagereport only (mg/L)all year103
Solids, total suspendeddaily maximumreport only (mg/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
Chlorine, total residualdaily minimum≥ .5 mg/Lall year103
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct103
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct103
Coliform, fecal generalmonthly geometric mean≤ 2000 CFU/100mLJan, Feb, Mar, Nov, Dec103
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year203
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year203
Solids, total suspendedmonthly averagereport only (mg/L)all year203
Solids, total suspendeddaily maximumreport only (mg/L)all year203
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year203
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year203
Chlorine, total residualdaily minimum≥ .5 mg/Lall year203
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct203
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct203
Coliform, fecal generalmonthly geometric mean≤ 2000 CFU/100mLJan, Feb, Mar, Nov, Dec203

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.

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Your permit document is the final word. As JSON: /api/v1/permits/IN0052191 · MCP: https://passage-data.com/mcp