EIGHTY FOUR MINING CO

NPDES permit PA0214248 · Minor NON-POTW · expired, expires 2025-12-26 · 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 2025-12-26 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
288required values missing, on 12 form(s)
0of 20 forms filed late

Last period with anything received: 2025-12-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (48)

OutfallParameterStatisticLimitMonths
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Alkalinity, total [as CaCO3]INST MAX report only all year
002Acidity, total [as CaCO3]INST MAX report only all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, total suspendedINST MAX <= 90 mg/L all year
002Chloride [as Cl]INST MAX report only all year
002Sulfate, total [as SO4]INST MAX report only all year
002Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
002Iron, total [as Fe]DAILY MX <= 3 mg/L all year
002Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
002Manganese, total [as Mn]MO AVG <= 1 mg/L all year
002Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
002Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
002Aluminum, total [as Al]MO AVG <= .75 mg/L all year
002Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
002Aluminum, total [as Al]INST MAX <= .75 mg/L all year
002Flow, in conduit or thru treatment plantINST MAX report only all year
002Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002Solids, total dissolvedINST MAX report only all year
002Osmotic pressure, total, unf whl wtrMO AVG <= 50 mOsm/kg all year
002Osmotic pressure, total, unf whl wtrDAILY MX <= 50 mOsm/kg all year
002Osmotic pressure, total, unf whl wtrINST MAX <= 50 mOsm/kg all year
008pHINST MIN >= 6 SU all year
008pHINST MAX <= 9 SU all year
008Alkalinity, total [as CaCO3]INST MAX report only all year
008Acidity, total [as CaCO3]INST MAX report only all year
008Solids, total suspendedMO AVG <= 35 mg/L all year
008Solids, total suspendedDAILY MX <= 70 mg/L all year
008Solids, total suspendedINST MAX <= 90 mg/L all year
008Chloride [as Cl]INST MAX report only all year
008Sulfate, total [as SO4]INST MAX report only all year
008Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
008Iron, total [as Fe]DAILY MX <= 3 mg/L all year
008Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
008Manganese, total [as Mn]MO AVG <= 1 mg/L all year
008Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
008Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
008Aluminum, total [as Al]MO AVG <= .75 mg/L all year
008Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
008Aluminum, total [as Al]INST MAX <= .75 mg/L all year
008Flow, in conduit or thru treatment plantINST MAX report only all year
008Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
008Solids, total dissolvedINST MAX report only all year
008Osmotic pressure, total, unf whl wtrMO AVG <= 50 mOsm/kg all year
008Osmotic pressure, total, unf whl wtrDAILY MX <= 50 mOsm/kg all year
008Osmotic 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