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Corridor Mining, LLC.

Crushed And Broken Granite, Sparta, Georgia. NPDES permit GA0038971, in force until Mar 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form 1 monthly (28 values)
Renewal application due
Oct 3, 2027 · 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, 2 of 12 reports late

Limits in force (28)

ParameterStatisticLimitMonths
Streamflowdaily averagereport only (MGD)all year
Streamflowdaily minimumreport only (MGD)all year
Streamflowdaily averagereport only (MGD)all year
Streamflowdaily maximumreport only (MGD)all year
Turbiditydaily average≤ 50 NTUall year
Turbiditydaily maximum≤ 75 NTUall year
BOD, 5-daydaily averagereport only (mg/L)all year
BOD, 5-daydaily maximumreport only (mg/L)all year
Solids, total suspendeddaily average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Solids, settleabledaily averagereport only (mg/L)all year
Solids, settleabledaily maximumreport only (mg/L)all year
Nitrogen, total [as N]daily averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, organic total [as N]daily averagereport only (mg/L)all year
Nitrogen, organic total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Nitrogen, ammonia, total [as NH3]daily averagereport only (mg/L)all year
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)all year
Solids, total dissolveddaily averagereport only (mg/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Phosphorous, in total orthophosphatedaily averagereport only (mg/L)all year
Phosphorous, in total orthophosphatedaily maximumreport only (mg/L)all year

How strict are these limits?

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

Same industry: the 55 Mining and Quarrying of Nonmetallic Minerals permits in Georgia.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0038971 · MCP: https://passage-data.com/mcp