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Nipsco LLC, Bailly Generating Station

Electric Services, Chesterton, Indiana. NPDES permit IN0000132, in force until Jul 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 A monthly (5 values), outfall 101 form A monthly (8 values), outfall 501 form A monthly (11 values)
Renewal application due
Feb 1, 2027 · 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 36 reports late

Limits in force (32)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall 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
Mercury, total recoverablemonthly average≤ 1.3 ng/LFeb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverabledaily maximum≤ 3.2 ng/LFeb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverablemonthly average≤ .0048 lb/dFeb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverabledaily maximum≤ .0118 lb/dFeb, Apr, Jun, Aug, Oct, Dec001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
pHdaily minimum≥ 6 SUall year101
pHdaily maximum≤ 9 SUall year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year101
Solids, total suspendeddaily maximum≤ 100 mg/Lall year101
Oil and grease, hexane extr methodmonthly average≤ 15 mg/Lall year101
Oil and grease, hexane extr methoddaily maximum≤ 20 mg/Lall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Mercury, total recoverablemonthly averagereport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec101
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec101
Mercury, total recoverablemonthly averagereport only (lb/d)Feb, Apr, Jun, Aug, Oct, Dec101
Mercury, total recoverabledaily maximumreport only (lb/d)Feb, Apr, Jun, Aug, Oct, Dec101
pHdaily minimum≥ 6 SUall year501
pHdaily maximum≤ 9 SUall year501
Zinc, total recoverablemonthly average≤ 1 mg/Lall year501
Zinc, total recoverabledaily maximum≤ 1 mg/Lall year501
Chromium, total recoverablemonthly average≤ .2 mg/Lall year501
Chromium, total recoverabledaily maximum≤ .2 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
Chlorine, total residualmonthly average≤ .2 mg/Lall year501
Chlorine, total residualdaily maximum≤ .5 mg/Lall year501
Chlorination durationdaily maximum≤ 120 min/dall 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/IN0000132 · MCP: https://passage-data.com/mcp