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4TH Gen Fuels LLC

Industrial or other facility, Appalachia, Virginia. NPDES permit VAM081626, in force until Jan 13, 2028. Last 12 months: over a limit 2 times (last May 2026), 6 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form Q quarterly
Renewal application due
Jul 17, 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, 36 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, daily maximum266.8≤ 70 mg/L281%
May 2026Solids, total suspended, daily maximum80.5≤ 70 mg/L15%

Limits in force (19)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendeddaily minimumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 35 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Solids, settleabledaily minimumreport only (mL/L)all year
Solids, settleablemonthly averagereport only (mL/L)all year
Solids, settleabledaily maximumreport only (mL/L)all year
Iron, total [as Fe]daily minimumreport only (mg/L)all year
Iron, total [as Fe]monthly average≤ 3 mg/Lall year
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year
Manganese, total [as Mn]daily minimumreport only (mg/L)all year
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VAM081626 · MCP: https://passage-data.com/mcp