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Mohawk Valley Mining, LLC

Crushed And Broken Limestone, Florala, Alabama. NPDES permit AL0084455, in force until Aug 17, 2027. Last 12 months: over a limit once (last October 2025), 18 required values missing, 3 of 9 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form 1 quarterly (6 values)
Renewal application due: Feb 18, 2027 · 180 days before expiry; your permit may set another date
Last report on file: June 2026
Oct 2024 – Sep 2025: 1 value over a limit, 0 required values missing, 3 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Parameter	Reported	Limit	Over by
October 2025	Solids, total suspended, daily maximum	50	≤ 45 mg/L	11%

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 8.5 SU	all year
Solids, total suspended	monthly average	≤ 25 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

Solids, total suspended, monthly average 25 mg/L — stricter than 71% of 442 other minor industrial and other permits in Alabama; 18% have the same limit
Solids, total suspended, daily maximum 45 mg/L — stricter than 45% of 373 other minor industrial and other permits in Alabama; 35% have the same limit
pH, daily maximum 8.5 SU — stricter than 36% of 592 other minor industrial and other permits in Alabama; 63% have the same limit

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/AL0084455 · MCP: https://passage-data.com/mcp