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Caryville Limestone LLC

Crushed And Broken Limestone, Caryville, Tennessee. NPDES permit TN0079782, in force until Jan 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 76 days after each period: outfall 001 form G quarterly (12 values), outfall SW1 form G yearly, outfall SW2 form Y yearly
Renewal application due
Aug 4, 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, 3 of 13 reports late

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 40 mg/Lall year001
Solids, total suspendedmonthly average≤ 40 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year001
pHminimum≥ 6 SUall yearSW1
pHmaximum≤ 9 SUall yearSW1
Solids, total suspendedmaximum≤ 150 mg/Lall yearSW1
Oil & Greasemaximum≤ 15 mg/Lall yearSW1
Flow, in conduit or thru treatment plantminimumreport only (gal/min) (alert, not enforceable)all yearSW1
Flow, in conduit or thru treatment plantmaximumreport only (gal/min) (alert, not enforceable)all yearSW1
pHminimum≥ 6 SU (alert, not enforceable)all yearSW2
pHmaximum≤ 9 SU (alert, not enforceable)all yearSW2
Solids, total suspendeddaily maximum≤ 150 mg/L (alert, not enforceable)all yearSW2
Oil & Greasedaily maximum≤ 15 mg/L (alert, not enforceable)all yearSW2
Flow, in conduit or thru treatment plantminimumreport only (gal/min) (alert, not enforceable)all yearSW2
Flow, in conduit or thru treatment plantmaximumreport only (gal/min) (alert, not enforceable)all yearSW2

How strict are these limits?

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

Same industry: the 353 Mining and Quarrying of Nonmetallic Minerals permits in Tennessee.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0079782 · MCP: https://passage-data.com/mcp