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Davex Energy, LLC

Bituminous Coal And Lignite - Surface, Jellico, Tennessee. NPDES permit TN0042722, in force until Feb 28, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G quarterly (36 values), outfall 002 form G quarterly (36 values)
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (72)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly averagereport only (uS/cm) (alert, not enforceable)all year001
Specific conductancemonthly averagereport only (uS/cm) (alert, not enforceable)all year001
Specific conductancedaily maximumreport only (uS/cm) (alert, not enforceable)all year001
Specific conductancedaily maximumreport only (uS/cm) (alert, not enforceable)all year001
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Solids, settleablemonthly average≤ .5 mL/Lall year001
Solids, settleablemonthly average≤ .5 mL/Lall year001
Solids, settleabledaily maximum≤ .5 mL/Lall year001
Solids, settleabledaily maximum≤ .5 mL/Lall year001
Sulfate, total [as SO4]monthly averagereport only (mg/L) (alert, not enforceable)all year001
Sulfate, total [as SO4]monthly averagereport only (mg/L) (alert, not enforceable)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Iron, total [as Fe]monthly average≤ 3 mg/Lall year001
Iron, total [as Fe]monthly average≤ 3 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year001
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year001
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year001
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year001
Manganese, total [as Mn]daily maximum≤ 4 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
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 100 %all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 100 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum> 100 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum> 100 %all year001
Specific conductancemonthly averagereport only (uS/cm) (alert, not enforceable)all year002
Specific conductancemonthly averagereport only (uS/cm) (alert, not enforceable)all year002
Specific conductancedaily maximumreport only (uS/cm) (alert, not enforceable)all year002
Specific conductancedaily maximumreport only (uS/cm) (alert, not enforceable)all year002
pHminimum≥ 6 SUall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 35 mg/Lall year002
Solids, total suspendedmonthly average≤ 35 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, settleablemonthly average≤ .5 mL/Lall year002
Solids, settleablemonthly average≤ .5 mL/Lall year002
Solids, settleabledaily maximum≤ .5 mL/Lall year002
Solids, settleabledaily maximum≤ .5 mL/Lall year002
Sulfate, total [as SO4]monthly averagereport only (mg/L) (alert, not enforceable)all year002
Sulfate, total [as SO4]monthly averagereport only (mg/L) (alert, not enforceable)all year002
Sulfate, total [as SO4]daily maximumreport only (mg/L) (alert, not enforceable)all year002
Sulfate, total [as SO4]daily maximumreport only (mg/L) (alert, not enforceable)all year002
Iron, total [as Fe]monthly average≤ 3 mg/Lall year002
Iron, total [as Fe]monthly average≤ 3 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year002
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year002
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 100 %all year002
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 100 %all year002
LC50 Static 48Hr Acute Pimephales promelasminimum> 100 %all year002
LC50 Static 48Hr Acute Pimephales promelasminimum> 100 %all year002

How strict are these limits?

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

Same industry: the 30 Coal Mining 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/TN0042722 · MCP: https://passage-data.com/mcp