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SRM Materials, LLC

Marine Cargo Handling, Decatur, Alabama. NPDES permit AL0082767, in force until Aug 31, 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 Q quarterly (21 values), outfall 002 form Q quarterly (26 values), outfall 004 form Q quarterly (21 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 9 reports late

Limits in force (68)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
pHdaily minimumreport only (SU)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all 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
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Cyanide, total [as CN]daily maximumreport only (mg/L)all year001
Arsenic, total recoverabledaily maximumreport only (mg/L)all year001
Nickel, total recoverabledaily maximumreport only (mg/L)all year001
Silver total recoverabledaily maximumreport only (mg/L)all year001
Zinc, total recoverabledaily maximumreport only (mg/L)all year001
Cadmium, total recoverabledaily maximumreport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)all year001
Chromium, total recoverabledaily maximumreport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total recoverabledaily maximumreport only (mg/L)all year001
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year002
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
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Cyanide, total [as CN]daily maximumreport only (mg/L)all year002
Arsenic, total recoverabledaily maximumreport only (mg/L)all year002
Nickel, total recoverabledaily maximumreport only (mg/L)all year002
Silver total recoverabledaily maximumreport only (mg/L)all year002
Zinc, total recoverabledaily maximumreport only (mg/L)all year002
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002
Lead, total recoverabledaily maximumreport only (mg/L)all year002
Chromium, total recoverabledaily maximumreport only (mg/L)all year002
Copper, total recoverabledaily maximumreport only (mg/L)all year002
Toluenedaily maximum≤ 8723 ug/Lall year002
Benzenedaily maximum≤ 15.4 ug/Lall year002
Ethylbenzenedaily maximum≤ 1244 ug/Lall year002
Naphthalenedaily maximum≤ 620 ug/Lall year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Mercury, total recoverabledaily maximumreport only (mg/L)all year002
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year002
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year002
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year004
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
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year004
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year004
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Cyanide, total [as CN]daily maximumreport only (mg/L)all year004
Arsenic, total recoverabledaily maximumreport only (mg/L)all year004
Nickel, total recoverabledaily maximumreport only (mg/L)all year004
Silver total recoverabledaily maximumreport only (mg/L)all year004
Zinc, total recoverabledaily maximumreport only (mg/L)all year004
Cadmium, total recoverabledaily maximumreport only (mg/L)all year004
Lead, total recoverabledaily maximumreport only (mg/L)all year004
Chromium, total recoverabledaily maximumreport only (mg/L)all year004
Copper, total recoverabledaily maximumreport only (mg/L)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Mercury, total recoverabledaily maximumreport only (mg/L)all year004
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year004

How strict are these limits?

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

Same industry: the 13 Water Transportation 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/AL0082767 · MCP: https://passage-data.com/mcp