HARDROCK COAL CO

NPDES permit PA0119296 · Minor NON-POTW · effective, expires 2030-02-28 · 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
319required values missing, on 16 form(s)
0of 52 forms filed late

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

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 (105)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. centigradeINST MAX report only all year
002Specific conductanceINST MAX report only all year
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
002Sulfate, total [as SO4]INST MAX report only all year
002Iron, total [as Fe]MO AVG <= 3 mg/L all year
002Iron, total [as Fe]DAILY MX <= 6 mg/L all year
002Iron, total [as Fe]INST MAX <= 7 mg/L all year
002Manganese, total [as Mn]MO AVG <= 2 mg/L all year
002Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
002Manganese, total [as Mn]INST MAX <= 5 mg/L all year
002Aluminum, total [as Al]MO AVG <= 2 mg/L all year
002Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
002Aluminum, total [as Al]INST MAX <= 5 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
015Temperature, water deg. centigradeINST MAX report only all year
015Specific conductanceINST MAX report only all year
015pHINST MIN >= 6 SU all year
015pHINST MAX <= 9 SU all year
015Alkalinity, total [as CaCO3]INST MAX report only all year
015Acidity, total [as CaCO3]INST MAX report only all year
015Solids, total suspendedMO AVG <= 35 mg/L all year
015Solids, total suspendedDAILY MX <= 70 mg/L all year
015Solids, total suspendedINST MAX <= 90 mg/L all year
015Sulfate, total [as SO4]INST MAX report only all year
015Iron, total [as Fe]MO AVG <= 3 mg/L all year
015Iron, total [as Fe]DAILY MX <= 6 mg/L all year
015Iron, total [as Fe]INST MAX <= 7 mg/L all year
015Manganese, total [as Mn]MO AVG <= 2 mg/L all year
015Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
015Manganese, total [as Mn]INST MAX <= 5 mg/L all year
015Aluminum, total [as Al]MO AVG <= 2 mg/L all year
015Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
015Aluminum, total [as Al]INST MAX <= 5 mg/L all year
015Flow, in conduit or thru treatment plantINST MAX report only all year
015Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
025Temperature, water deg. centigradeINST MAX report only all year
025Specific conductanceINST MAX report only all year
025pHINST MIN >= 6 SU all year
025pHINST MAX <= 9 SU all year
025Alkalinity, total [as CaCO3]INST MAX report only all year
025Acidity, total [as CaCO3]INST MAX report only all year
025Solids, total suspendedMO AVG <= 35 mg/L all year
025Solids, total suspendedDAILY MX <= 70 mg/L all year
025Solids, total suspendedINST MAX <= 90 mg/L all year
025Sulfate, total [as SO4]INST MAX report only all year
025Iron, total [as Fe]MO AVG <= 1.8 mg/L all year
025Iron, total [as Fe]DAILY MX <= 3.6 mg/L all year
025Iron, total [as Fe]INST MAX <= 4.5 mg/L all year
025Manganese, total [as Mn]MO AVG <= 1 mg/L all year
025Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
025Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
025Aluminum, total [as Al]MO AVG <= .75 mg/L all year
025Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
025Aluminum, total [as Al]INST MAX <= .75 mg/L all year
025Flow, in conduit or thru treatment plantINST MAX report only all year
025Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
032Temperature, water deg. centigradeINST MAX report only all year
032Specific conductanceINST MAX report only all year
032pHINST MIN >= 6 SU all year
032pHINST MAX <= 9 SU all year
032Alkalinity, total [as CaCO3]INST MAX report only all year
032Acidity, total [as CaCO3]INST MAX report only all year
032Solids, total suspendedMO AVG <= 35 mg/L all year
032Solids, total suspendedDAILY MX <= 70 mg/L all year
032Solids, total suspendedINST MAX <= 90 mg/L all year
032Sulfate, total [as SO4]INST MAX report only all year
032Iron, total [as Fe]MO AVG <= 3 mg/L all year
032Iron, total [as Fe]DAILY MX <= 6 mg/L all year
032Iron, total [as Fe]INST MAX <= 7 mg/L all year
032Manganese, total [as Mn]MO AVG <= 1.5 mg/L all year
032Manganese, total [as Mn]DAILY MX <= 3 mg/L all year
032Manganese, total [as Mn]INST MAX <= 3.7 mg/L all year
032Aluminum, total [as Al]MO AVG <= .75 mg/L all year
032Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
032Aluminum, total [as Al]INST MAX <= .75 mg/L all year
032Flow, in conduit or thru treatment plantINST MAX report only all year
032Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
033Temperature, water deg. centigradeINST MAX report only all year
033Specific conductanceINST MAX report only all year
033pHINST MIN >= 6 SU all year
033pHINST MAX <= 9 SU all year
033Alkalinity, total [as CaCO3]INST MAX report only all year
033Acidity, total [as CaCO3]INST MAX report only all year
033Solids, total suspendedMO AVG <= 35 mg/L all year
033Solids, total suspendedDAILY MX <= 70 mg/L all year
033Solids, total suspendedINST MAX <= 90 mg/L all year
033Sulfate, total [as SO4]INST MAX report only all year
033Iron, total [as Fe]MO AVG <= 3 mg/L all year
033Iron, total [as Fe]DAILY MX <= 6 mg/L all year
033Iron, total [as Fe]INST MAX <= 7 mg/L all year
033Manganese, total [as Mn]MO AVG <= 1.5 mg/L all year
033Manganese, total [as Mn]DAILY MX <= 3 mg/L all year
033Manganese, total [as Mn]INST MAX <= 3.7 mg/L all year
033Aluminum, total [as Al]MO AVG <= .75 mg/L all year
033Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
033Aluminum, total [as Al]INST MAX <= .75 mg/L all year
033Flow, in conduit or thru treatment plantINST MAX report only all year
033Alkalinity - 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