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SI Group, Inc.

Industrial Organic Chemicals, Bay Minette, Alabama. NPDES permit AL0054399, in force until May 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 Q quarterly (12 values), outfall 001 form T quarterly (2 values), outfall 002 form Q quarterly (13 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (27)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 8.5 SUall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
2-Methyl-4,6-dinitrophenoldaily maximumreport only (mg/L)all year001
2-Nitrophenoldaily maximumreport only (mg/L)all year001
2,4-Dinitrophenoldaily maximumreport only (mg/L)all year001
4-Nitrophenoldaily maximumreport only (mg/L)all year001
Dinosebdaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year001
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year001
pHdaily minimumreport only (SU)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year002
2-Methyl-4,6-dinitrophenoldaily maximumreport only (mg/L)all year002
2-Nitrophenoldaily maximumreport only (mg/L)all year002
2,4-Dinitrophenoldaily maximumreport only (mg/L)all year002
4-Nitrophenoldaily maximumreport only (mg/L)all year002
Dinosebdaily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year002

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/AL0054399 · MCP: https://passage-data.com/mcp