Triad Mining Inc Log Creek & Rough Creek Mines

NPDES permit ING040217 · Minor NON-POTW · effective, expires 2031-08-31 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 72 forms filed late

Last period with anything received: 2026-08-31. Most often over: Iron, total [as Fe] (2).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (82)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedDAILY AV <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, settleableDAILY AV report only all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Copper, total [as Cu]DAILY AV report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Iron, total [as Fe]DAILY AV <= 3 mg/L all year
001Iron, total [as Fe]DAILY MX <= 6 mg/L all year
001Manganese, total [as Mn]DAILY AV <= 2 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
001Nickel, total [as Ni]DAILY AV report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Zinc, total [as Zn]DAILY AV report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]DAILY AV report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001DurationMO TOTAL report only all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Precipitation volumeMO TOTAL report only all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedDAILY AV <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, settleableDAILY AV report only all year
002Solids, settleableDAILY MX <= .5 mL/L all year
002Iron, total [as Fe]DAILY AV <= 3 mg/L all year
002Iron, total [as Fe]DAILY MX <= 6 mg/L all year
002DurationMO TOTAL report only all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Precipitation volumeMO TOTAL report only all year
007pHDAILY MN >= 6 SU all year
007pHDAILY MX <= 9 SU all year
007Solids, total suspendedDAILY AV <= 35 mg/L all year
007Solids, total suspendedDAILY MX <= 70 mg/L all year
007Solids, settleableDAILY AV report only all year
007Solids, settleableDAILY MX <= .5 mL/L all year
007Iron, total [as Fe]DAILY AV <= 3 mg/L all year
007Iron, total [as Fe]DAILY MX <= 6 mg/L all year
007DurationMO TOTAL report only all year
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007Precipitation volumeMO TOTAL report only all year
008pHDAILY MN >= 6 SU all year
008pHDAILY MX <= 9 SU all year
008Solids, total suspendedDAILY AV <= 35 mg/L all year
008Solids, total suspendedDAILY MX <= 70 mg/L all year
008Solids, settleableDAILY AV report only all year
008Solids, settleableDAILY MX <= .5 mL/L all year
008Iron, total [as Fe]DAILY AV <= 3 mg/L all year
008Iron, total [as Fe]DAILY MX <= 6 mg/L all year
008DurationMO TOTAL report only all year
008Flow, in conduit or thru treatment plantDAILY AV report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Precipitation volumeMO TOTAL report only all year
009pHDAILY MN >= 6 SU all year
009pHDAILY MX <= 9 SU all year
009Solids, total suspendedDAILY AV <= 35 mg/L all year
009Solids, total suspendedDAILY MX <= 70 mg/L all year
009Solids, settleableDAILY AV report only all year
009Solids, settleableDAILY MX <= .5 mL/L all year
009Iron, total [as Fe]DAILY AV <= 3 mg/L all year
009Iron, total [as Fe]DAILY MX <= 6 mg/L all year
009DurationMO TOTAL report only all year
009Flow, in conduit or thru treatment plantDAILY AV report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Precipitation volumeMO TOTAL report only all year
020pHDAILY MN >= 6 SU all year
020pHDAILY MX <= 9 SU all year
020Solids, total suspendedDAILY AV <= 35 mg/L all year
020Solids, total suspendedDAILY MX <= 70 mg/L all year
020Solids, settleableDAILY AV report only all year
020Solids, settleableDAILY MX <= .5 mL/L all year
020Iron, total [as Fe]DAILY AV <= 3 mg/L all year
020Iron, total [as Fe]DAILY MX <= 6 mg/L all year
020DurationMO TOTAL report only all year
020Flow, in conduit or thru treatment plantDAILY AV report only all year
020Flow, in conduit or thru treatment plantDAILY MX report only all year
020Precipitation volumeMO TOTAL 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