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Linde Inc. - Gary Lakeside Plant

Industrial Gases, major discharger, Gary, Indiana. NPDES permit IN0000035, in force until Jun 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (16)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year
Oil and grease, hexane extr methodmonthly average≤ 11.62 lb/dall year
Oil and grease, hexane extr methoddaily maximum≤ 23.23 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .2 mg/Lall year
Flowmonthly averagereport only (MGD)all year
Flowdaily maximum≤ 43.2 MGDall year
Chlorination frequencydaily maximum≤ 4 occur/dall year
Chlorination durationdaily maximum≤ 40 minall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

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

Same industry: the 45 Chemicals and Allied Products 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/IN0000035 · MCP: https://passage-data.com/mcp