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Shell Chemical LP - Norco Chemical Plant – East Site

Industrial Organic Chemicals, Norco, Louisiana. NPDES permit LA0109606, in force until Sep 30, 2030. 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 quarterly, outfall IT01 form A quarterly, outfall IT02 form A quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 72 reports late

Limits in force (6)

ParameterStatisticLimitMonthsOutfall
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearIT01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearIT01
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearIT02
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearIT02

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

Same industry: the 130 Chemicals and Allied Products permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0109606 · MCP: https://passage-data.com/mcp