MOUNTAINEER MINING CORP

NPDES permit PA0249912 · Minor NON-POTW · effective, expires 2027-02-08 · EPA's file as of 2026-09-19

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.

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

0values over a limit
126required values missing, on 6 form(s)
0of 20 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (84)

OutfallParameterStatisticLimitMonths
003Temperature, water deg. centigradeINST MAX report only all year
003Temperature, water deg. centigradeINST MAX report only all year
003Specific conductanceINST MAX report only all year
003Specific conductanceINST MAX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003pHINST MAX <= 9 SU all year
003Alkalinity, total [as CaCO3]INST MAX report only all year
003Alkalinity, total [as CaCO3]INST MAX report only all year
003Acidity, total [as CaCO3]INST MAX report only all year
003Acidity, total [as CaCO3]INST MAX report only all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, total suspendedINST MAX <= 90 mg/L all year
003Solids, total suspendedINST MAX <= 90 mg/L all year
003Sulfate, total [as SO4]INST MAX report only all year
003Sulfate, total [as SO4]INST MAX report only all year
003Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
003Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
003Iron, total [as Fe]DAILY MX <= 3 mg/L all year
003Iron, total [as Fe]DAILY MX <= 3 mg/L all year
003Iron, total [as Fe]INST MAX <= 3.7 mg/L all year
003Iron, total [as Fe]INST MAX <= 3.7 mg/L all year
003Manganese, total [as Mn]MO AVG <= 1 mg/L all year
003Manganese, total [as Mn]MO AVG <= 1 mg/L all year
003Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
003Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
003Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
003Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
003Aluminum, total [as Al]MO AVG <= .75 mg/L all year
003Aluminum, total [as Al]MO AVG <= .75 mg/L all year
003Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
003Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
003Aluminum, total [as Al]INST MAX <= .75 mg/L all year
003Aluminum, total [as Al]INST MAX <= .75 mg/L all year
003Flow, in conduit or thru treatment plantINST MAX report only all year
003Flow, in conduit or thru treatment plantINST MAX report only all year
003Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
003Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
004Temperature, water deg. centigradeINST MAX report only all year
004Temperature, water deg. centigradeINST MAX report only all year
004Specific conductanceINST MAX report only all year
004Specific conductanceINST MAX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MAX <= 9 SU all year
004Alkalinity, total [as CaCO3]INST MAX report only all year
004Alkalinity, total [as CaCO3]INST MAX report only all year
004Acidity, total [as CaCO3]INST MAX report only all year
004Acidity, total [as CaCO3]INST MAX report only all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, total suspendedINST MAX <= 90 mg/L all year
004Solids, total suspendedINST MAX <= 90 mg/L all year
004Sulfate, total [as SO4]INST MAX report only all year
004Sulfate, total [as SO4]INST MAX report only all year
004Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
004Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
004Iron, total [as Fe]DAILY MX <= 3 mg/L all year
004Iron, total [as Fe]DAILY MX <= 3 mg/L all year
004Iron, total [as Fe]INST MAX <= 3.7 mg/L all year
004Iron, total [as Fe]INST MAX <= 3.7 mg/L all year
004Manganese, total [as Mn]MO AVG <= 1 mg/L all year
004Manganese, total [as Mn]MO AVG <= 1 mg/L all year
004Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
004Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
004Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
004Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
004Aluminum, total [as Al]MO AVG <= .75 mg/L all year
004Aluminum, total [as Al]MO AVG <= .75 mg/L all year
004Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
004Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
004Aluminum, total [as Al]INST MAX <= .75 mg/L all year
004Aluminum, total [as Al]INST MAX <= .75 mg/L all year
004Flow, in conduit or thru treatment plantINST MAX report only all year
004Flow, in conduit or thru treatment plantINST MAX report only all year
004Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
004Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L 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