CM MINING, LLC

NPDES permit VAM080290 · Minor NON-POTW · expired 2023-11-16 · EPA's file as of 2026-09-26

Keep this permit as a site — opens New site at EPA's facility point (37.46824, -82.03325); you set the radius.

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

These are the last limits EPA's file holds for this permit, from an earlier version of it (version 0 in EPA's file): its current version carries none yet. Read your permit: a renewal can change them.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
48required values missing, on 3 form(s)
0of 24 forms filed late

Last period with anything received: 2026-03-31.

Reporting

Reports are due about 10 days after each monitoring period ends (the most common figure among VA permits in EPA's filings — check your permit).

How strict are these limits?

Each concentration limit against the same limit in comparable permits. Where it appears more than once, its strictest value.

Limits in force (48)

OutfallParameterStatisticLimitMonths
4690pHinstantaneous minimum >= 6 SU all year
4690pHinstantaneous maximum <= 9 SU all year
4690Solids, total suspendeddaily minimum report only all year
4690Solids, total suspendedmonthly average <= 35 mg/L all year
4690Solids, total suspendeddaily maximum <= 70 mg/L all year
4690Iron, total [as Fe]daily minimum report only all year
4690Iron, total [as Fe]monthly average <= 3 mg/L all year
4690Iron, total [as Fe]daily maximum <= 6 mg/L all year
4690Manganese, total [as Mn]daily minimum report only all year
4690Manganese, total [as Mn]monthly average <= 2 mg/L all year
4690Manganese, total [as Mn]daily maximum <= 4 mg/L all year
4690Flow, in conduit or thru treatment plantmonthly average report only all year
4690Flow, in conduit or thru treatment plantdaily maximum report only all year
4690Solids, total dissolved [TDS]daily minimum report only all year
4690Solids, total dissolved [TDS]monthly average report only all year
4690Solids, total dissolved [TDS]daily maximum report only all year
4691pHinstantaneous minimum >= 6 SU all year
4691pHinstantaneous maximum <= 9 SU all year
4691Solids, total suspendeddaily minimum report only all year
4691Solids, total suspendedmonthly average <= 35 mg/L all year
4691Solids, total suspendeddaily maximum <= 70 mg/L all year
4691Iron, total [as Fe]daily minimum report only all year
4691Iron, total [as Fe]monthly average <= 3 mg/L all year
4691Iron, total [as Fe]daily maximum <= 6 mg/L all year
4691Manganese, total [as Mn]daily minimum report only all year
4691Manganese, total [as Mn]monthly average <= 2 mg/L all year
4691Manganese, total [as Mn]daily maximum <= 4 mg/L all year
4691Flow, in conduit or thru treatment plantmonthly average report only all year
4691Flow, in conduit or thru treatment plantdaily maximum report only all year
4691Solids, total dissolved [TDS]daily minimum report only all year
4691Solids, total dissolved [TDS]monthly average report only all year
4691Solids, total dissolved [TDS]daily maximum report only all year
4692pHinstantaneous minimum >= 6 SU all year
4692pHinstantaneous maximum <= 9 SU all year
4692Solids, total suspendeddaily minimum report only all year
4692Solids, total suspendedmonthly average <= 35 mg/L all year
4692Solids, total suspendeddaily maximum <= 70 mg/L all year
4692Iron, total [as Fe]daily minimum report only all year
4692Iron, total [as Fe]monthly average <= 3 mg/L all year
4692Iron, total [as Fe]daily maximum <= 6 mg/L all year
4692Manganese, total [as Mn]daily minimum report only all year
4692Manganese, total [as Mn]monthly average <= 2 mg/L all year
4692Manganese, total [as Mn]daily maximum <= 4 mg/L all year
4692Flow, in conduit or thru treatment plantmonthly average report only all year
4692Flow, in conduit or thru treatment plantdaily maximum report only all year
4692Solids, total dissolved [TDS]daily minimum report only all year
4692Solids, total dissolved [TDS]monthly average report only all year
4692Solids, total dissolved [TDS]daily maximum report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states