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Citizens Energy Group - Langsdale Operations Center

Gas Transmission And Distribution, Indianapolis, Indiana. NPDES permit IN0062804, in force until Mar 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form SM monthly (3 values), outfall 002 form SM monthly (2 values), outfall 005 form SM monthly (2 values), outfall 006 form SM monthly (2 values), outfall 007 form SM monthly (3 values), outfall 008 form SM monthly (11 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 78 reports late

Limits in force (107)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendeddaily maximumreport only (mg/L)Dec001
Solids, total suspendeddaily maximumreport only (mg/L)Dec001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec001
Benzene, ethylbenzene, toluene, xylene combinationdaily maximumreport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec001
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec001
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec001
Storm water flowdaily maximumreport only (MGD)Dec001
Storm water flowdaily maximumreport only (MGD)Dec001
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendeddaily maximumreport only (mg/L)Dec002
Solids, total suspendeddaily maximumreport only (mg/L)Dec002
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec002
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec002
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec002
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec002
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec002
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec002
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec002
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec002
Storm water flowdaily maximumreport only (MGD)Dec002
Storm water flowdaily maximumreport only (MGD)Dec002
pHdaily minimum≥ 6 SUall year005
pHdaily maximum≤ 9 SUall year005
Solids, total suspendeddaily maximumreport only (mg/L)Dec005
Solids, total suspendeddaily maximumreport only (mg/L)Dec005
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec005
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec005
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec005
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec005
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec005
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec005
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec005
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec005
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec005
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec005
Storm water flowdaily maximumreport only (MGD)Dec005
Storm water flowdaily maximumreport only (MGD)Dec005
pHdaily minimum≥ 6 SUall year006
pHdaily maximum≤ 9 SUall year006
Solids, total suspendeddaily maximumreport only (mg/L)Dec006
Solids, total suspendeddaily maximumreport only (mg/L)Dec006
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec006
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec006
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec006
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec006
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec006
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec006
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec006
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec006
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec006
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec006
Storm water flowdaily maximumreport only (MGD)Dec006
Storm water flowdaily maximumreport only (MGD)Dec006
pHdaily minimum≥ 6 SUall year007
pHdaily maximum≤ 9 SUall year007
Solids, total suspendeddaily maximumreport only (mg/L)Dec007
Solids, total suspendeddaily maximumreport only (mg/L)Dec007
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec007
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec007
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec007
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec007
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec007
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec007
Benzene, ethylbenzene, toluene, xylene combinationdaily maximumreport only (mg/L)all year007
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec007
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec007
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec007
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec007
Storm water flowdaily maximumreport only (MGD)Dec007
Storm water flowdaily maximumreport only (MGD)Dec007
pHdaily minimum≥ 6 SUall year008
pHdaily maximum≤ 9 SUall year008
Solids, total suspendedmonthly average≤ 30 mg/Lall year008
Solids, total suspendeddaily maximumreport only (mg/L)Dec008
Solids, total suspendeddaily maximumreport only (mg/L)Dec008
Solids, total suspendeddaily maximum≤ 60 mg/Lall year008
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year008
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec008
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Dec008
Oil and grease, hexane extr methoddaily maximum≤ 15 mg/Lall year008
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec008
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Dec008
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec008
Phosphorus, total [as P]daily maximumreport only (mg/L)Dec008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year008
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec008
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Dec008
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 50 mg/Lall year008
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec008
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)Dec008
Storm water flowevent totalreport only (MGD)Dec008
Storm water flowevent totalreport only (MGD)Dec008
Flow, totalmonthly totalreport only (Mgal/mo)all year008

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0062804 · MCP: https://passage-data.com/mcp