ALLEGHENY MINERAL CORP

NPDES permit PA0201421 · Minor NON-POTW · expired, expires 2026-06-11 · 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.

This permit expired on 2026-06-11 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
50required values missing, on 2 form(s)
0of 10 forms filed late

Last period with anything received: 2026-04-30.

Reporting

Reports are due about 89 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (50)

OutfallParameterStatisticLimitMonths
005Temperature, water deg. fahrenheitINST MAX report only all year
005Temperature, water deg. fahrenheitINST MAX report only all year
005pHINST MIN >= 6 SU all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005pHINST MAX <= 9 SU all year
005Alkalinity, total [as CaCO3]INST MAX report only all year
005Alkalinity, total [as CaCO3]INST MAX report only all year
005Acidity, total [as CaCO3]INST MAX report only all year
005Acidity, total [as CaCO3]INST MAX report only all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, total suspendedINST MAX <= 90 mg/L all year
005Solids, total suspendedINST MAX <= 90 mg/L all year
005Sulfate, total [as SO4]MO AVG report only all year
005Sulfate, total [as SO4]MO AVG report only all year
005Sulfate, total [as SO4]DAILY MX report only all year
005Sulfate, total [as SO4]DAILY MX report only all year
005Sulfate, total [as SO4]INST MAX report only all year
005Sulfate, total [as SO4]INST MAX report only all year
005Iron, total [as Fe]MO AVG <= 3 mg/L all year
005Iron, total [as Fe]MO AVG <= 3 mg/L all year
005Iron, total [as Fe]DAILY MX <= 6 mg/L all year
005Iron, total [as Fe]DAILY MX <= 6 mg/L all year
005Iron, total [as Fe]INST MAX <= 7 mg/L all year
005Iron, total [as Fe]INST MAX <= 7 mg/L all year
005Manganese, total [as Mn]MO AVG <= 1 mg/L all year
005Manganese, total [as Mn]MO AVG <= 1 mg/L all year
005Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
005Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
005Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
005Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
005Aluminum, total [as Al]MO AVG <= 2 mg/L all year
005Aluminum, total [as Al]MO AVG <= 2 mg/L all year
005Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
005Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
005Aluminum, total [as Al]INST MAX <= 5 mg/L all year
005Aluminum, total [as Al]INST MAX <= 5 mg/L all year
005Flow, in conduit or thru treatment plantINST MAX report only all year
005Flow, in conduit or thru treatment plantINST MAX report only all year
005Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
005Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
005Osmotic pressure, total, unf whl wtrMO AVG <= 50 mOsm/kg all year
005Osmotic pressure, total, unf whl wtrMO AVG <= 50 mOsm/kg all year
005Osmotic pressure, total, unf whl wtrDAILY MX <= 50 mOsm/kg all year
005Osmotic pressure, total, unf whl wtrDAILY MX <= 50 mOsm/kg all year
005Osmotic pressure, total, unf whl wtrINST MAX <= 50 mOsm/kg all year
005Osmotic pressure, total, unf whl wtrINST MAX <= 50 mOsm/kg 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