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Graham Construction Company, Inc.

Construction Sand And Gravel, Mobile, Alabama. NPDES permit AL0074543, 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: form 1 quarterly (16 values)
Renewal application due
Dec 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 12 reports late

Limits in force (16)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 35 mg/Lall year
Solids, total suspendedmonthly average≤ 35 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Arsenicmonthly averagereport only (ug/L)all year
Arsenicmonthly averagereport only (ug/L)all year
Arsenicdaily maximumreport only (ug/L)all year
Arsenicdaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

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

Same industry: the 206 Mining and Quarrying of Nonmetallic Minerals 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/AL0074543 · MCP: https://passage-data.com/mcp