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Occidental Chemical Corporation

Alkalies And Chlorine, Mobile, Alabama. NPDES permit AL0003514, 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 002 form 1 monthly (5 values), outfall 001 form S twice a year, outfall 003 form Y yearly, outfall 004 form Y yearly, outfall 005 form Y yearly
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum= 6 SUall year001
pHdaily maximum= 9 SUall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil & Greasedaily maximum≤ 15 mg/Lall 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 averagereport only (lb/d)all year001
Mercury, total recoverabledaily maximumreport only (lb/d)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 8.5 SUall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pHdaily minimumreport only (SU)all year003
pHdaily maximumreport only (SU)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Mercury, total recoverabledaily maximumreport only (mg/L)all year003
pHdaily minimumreport only (SU)all year004
pHdaily maximumreport only (SU)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Mercury, total recoverabledaily maximumreport only (mg/L)all year004
pHdaily minimumreport only (SU)all year005
pHdaily maximumreport only (SU)all year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Mercury, total recoverabledaily maximumreport only (mg/L)all year005

How strict are these limits?

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

Same industry: the 79 Chemicals and Allied Products permits in Alabama.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0003514 · MCP: https://passage-data.com/mcp