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The Black Diamond Company

Bituminous Coal And Lignite - Surface, Big Rock, Virginia. NPDES permit VAM081787, in force until Nov 16, 2026. Last 12 months: no values over a limit, 115 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 6802 form Q quarterly (16 values), outfall 6803 form Q quarterly (16 values)
Renewal application due
May 20, 2026 · 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, 222 required values missing, 0 of 24 reports late

Limits in force (32)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year6802
pHinstantaneous maximum≤ 9 SUall year6802
Solids, total suspendeddaily minimumreport only (mg/L)all year6802
Solids, total suspendedmonthly average≤ 35 mg/Lall year6802
Solids, total suspendeddaily maximum≤ 70 mg/Lall year6802
Iron, total [as Fe]daily minimumreport only (mg/L)all year6802
Iron, total [as Fe]monthly average≤ 3 mg/Lall year6802
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year6802
Manganese, total [as Mn]daily minimumreport only (mg/L)all year6802
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year6802
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year6802
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year6802
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year6802
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year6802
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year6802
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year6802
pHinstantaneous minimum≥ 6 SUall year6803
pHinstantaneous maximum≤ 9 SUall year6803
Solids, total suspendeddaily minimumreport only (mg/L)all year6803
Solids, total suspendedmonthly average≤ 35 mg/Lall year6803
Solids, total suspendeddaily maximum≤ 70 mg/Lall year6803
Iron, total [as Fe]daily minimumreport only (mg/L)all year6803
Iron, total [as Fe]monthly average≤ 3 mg/Lall year6803
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year6803
Manganese, total [as Mn]daily minimumreport only (mg/L)all year6803
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year6803
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year6803
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year6803
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year6803
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year6803
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year6803
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year6803

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

Same industry: the 169 Coal Mining permits in Virginia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VAM081787 · MCP: https://passage-data.com/mcp