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Ridgetop Development LLC

Bituminous Coal And Lignite - Surface, Kent Junction, Virginia. NPDES permit VAM082293, in force until May 6, 2029. Last 12 months: no values over a limit, 134 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 1621 form Q quarterly, outfall 1622 form Q quarterly, outfall 1623 form Q quarterly, outfall 1625 form Q quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 710 required values missing, 0 of 48 reports late

Limits in force (76)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year1621
pHinstantaneous maximum≤ 9 SUall year1621
Solids, total suspendeddaily minimumreport only (mg/L)all year1621
Solids, total suspendedmonthly average≤ 35 mg/Lall year1621
Solids, total suspendeddaily maximum≤ 70 mg/Lall year1621
Solids, settleabledaily minimumreport only (mL/L)all year1621
Solids, settleablemonthly averagereport only (mL/L)all year1621
Solids, settleabledaily maximumreport only (mL/L)all year1621
Iron, total [as Fe]daily minimumreport only (mg/L)all year1621
Iron, total [as Fe]monthly average≤ 3 mg/Lall year1621
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year1621
Manganese, total [as Mn]daily minimumreport only (mg/L)all year1621
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year1621
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year1621
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year1621
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year1621
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year1621
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year1621
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year1621
pHinstantaneous minimum≥ 6 SUall year1622
pHinstantaneous maximum≤ 9 SUall year1622
Solids, total suspendeddaily minimumreport only (mg/L)all year1622
Solids, total suspendedmonthly average≤ 35 mg/Lall year1622
Solids, total suspendeddaily maximum≤ 70 mg/Lall year1622
Solids, settleabledaily minimumreport only (mL/L)all year1622
Solids, settleablemonthly averagereport only (mL/L)all year1622
Solids, settleabledaily maximumreport only (mL/L)all year1622
Iron, total [as Fe]daily minimumreport only (mg/L)all year1622
Iron, total [as Fe]monthly average≤ 3 mg/Lall year1622
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year1622
Manganese, total [as Mn]daily minimumreport only (mg/L)all year1622
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year1622
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year1622
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year1622
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year1622
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year1622
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year1622
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year1622
pHinstantaneous minimum≥ 6 SUall year1623
pHinstantaneous maximum≤ 9 SUall year1623
Solids, total suspendeddaily minimumreport only (mg/L)all year1623
Solids, total suspendedmonthly average≤ 35 mg/Lall year1623
Solids, total suspendeddaily maximum≤ 70 mg/Lall year1623
Solids, settleabledaily minimumreport only (mL/L)all year1623
Solids, settleablemonthly averagereport only (mL/L)all year1623
Solids, settleabledaily maximumreport only (mL/L)all year1623
Iron, total [as Fe]daily minimumreport only (mg/L)all year1623
Iron, total [as Fe]monthly average≤ 3 mg/Lall year1623
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year1623
Manganese, total [as Mn]daily minimumreport only (mg/L)all year1623
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year1623
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year1623
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year1623
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year1623
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year1623
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year1623
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year1623
pHinstantaneous minimum≥ 6 SUall year1625
pHinstantaneous maximum≤ 9 SUall year1625
Solids, total suspendeddaily minimumreport only (mg/L)all year1625
Solids, total suspendedmonthly average≤ 35 mg/Lall year1625
Solids, total suspendeddaily maximum≤ 70 mg/Lall year1625
Solids, settleabledaily minimumreport only (mL/L)all year1625
Solids, settleablemonthly averagereport only (mL/L)all year1625
Solids, settleabledaily maximumreport only (mL/L)all year1625
Iron, total [as Fe]daily minimumreport only (mg/L)all year1625
Iron, total [as Fe]monthly average≤ 3 mg/Lall year1625
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year1625
Manganese, total [as Mn]daily minimumreport only (mg/L)all year1625
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year1625
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year1625
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year1625
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year1625
Solids, total dissolved [TDS]daily minimumreport only (mg/L)all year1625
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year1625
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year1625

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/VAM082293 · MCP: https://passage-data.com/mcp