Triad Mining LLC Freelandville Mine

NPDES permit ING040030 · Minor NON-POTW · effective, expires 2029-07-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 191 forms filed late

Last period with anything received: 2026-08-31.

Reporting

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

Limits in force (108)

OutfallParameterStatisticLimitMonths
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
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
010pHDAILY MN >= 6 SU all year
010pHDAILY MX <= 9 SU all year
010Solids, total suspendedDAILY AV <= 35 mg/L all year
010Solids, total suspendedDAILY MX <= 70 mg/L all year
010Solids, settleableDAILY AV report only all year
010Solids, settleableDAILY MX <= .5 mL/L all year
010Iron, total [as Fe]DAILY AV <= 3 mg/L all year
010Iron, total [as Fe]DAILY MX <= 6 mg/L all year
010DurationMO TOTAL report only all year
010Flow, in conduit or thru treatment plantDAILY AV report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Precipitation volumeMO TOTAL report only all year
014pHDAILY MN >= 6 SU all year
014pHDAILY MX <= 9 SU all year
014Solids, total suspendedDAILY AV <= 35 mg/L all year
014Solids, total suspendedDAILY MX <= 70 mg/L all year
014Solids, settleableDAILY AV report only all year
014Solids, settleableDAILY MX <= .5 mL/L all year
014Iron, total [as Fe]DAILY AV <= 3 mg/L all year
014Iron, total [as Fe]DAILY MX <= 6 mg/L all year
014DurationMO TOTAL report only all year
014Flow, in conduit or thru treatment plantDAILY AV report only all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year
014Precipitation volumeMO TOTAL report only all year
019pHDAILY MN >= 6 SU all year
019pHDAILY MX <= 9 SU all year
019Solids, total suspendedDAILY AV <= 35 mg/L all year
019Solids, total suspendedDAILY MX <= 70 mg/L all year
019Solids, settleableDAILY AV report only all year
019Solids, settleableDAILY MX <= .5 mL/L all year
019Iron, total [as Fe]DAILY AV <= 3 mg/L all year
019Iron, total [as Fe]DAILY MX <= 6 mg/L all year
019DurationMO TOTAL report only all year
019Flow, in conduit or thru treatment plantDAILY AV report only all year
019Flow, in conduit or thru treatment plantDAILY MX report only all year
019Precipitation volumeMO TOTAL report only all year
047pHDAILY MN >= 6 SU all year
047pHDAILY MX <= 9 SU all year
047Solids, total suspendedDAILY AV <= 35 mg/L all year
047Solids, total suspendedDAILY MX <= 70 mg/L all year
047Solids, settleableDAILY AV report only all year
047Solids, settleableDAILY MX <= .5 mL/L all year
047Iron, total [as Fe]DAILY AV <= 3 mg/L all year
047Iron, total [as Fe]DAILY MX <= 6 mg/L all year
047DurationMO TOTAL report only all year
047Flow, in conduit or thru treatment plantDAILY AV report only all year
047Flow, in conduit or thru treatment plantDAILY MX report only all year
047Precipitation volumeMO TOTAL report only all year
048pHDAILY MN >= 6 SU all year
048pHDAILY MX <= 9 SU all year
048Solids, total suspendedDAILY AV <= 35 mg/L all year
048Solids, total suspendedDAILY MX <= 70 mg/L all year
048Solids, settleableDAILY AV report only all year
048Solids, settleableDAILY MX <= .5 mL/L all year
048Iron, total [as Fe]DAILY AV <= 3 mg/L all year
048Iron, total [as Fe]DAILY MX <= 6 mg/L all year
048DurationMO TOTAL report only all year
048Flow, in conduit or thru treatment plantDAILY AV report only all year
048Flow, in conduit or thru treatment plantDAILY MX report only all year
048Precipitation volumeMO TOTAL report only all year
049pHDAILY MN >= 6 SU all year
049pHDAILY MX <= 9 SU all year
049Solids, total suspendedDAILY AV <= 35 mg/L all year
049Solids, total suspendedDAILY MX <= 70 mg/L all year
049Solids, settleableDAILY AV report only all year
049Solids, settleableDAILY MX <= .5 mL/L all year
049Iron, total [as Fe]DAILY AV <= 3 mg/L all year
049Iron, total [as Fe]DAILY MX <= 6 mg/L all year
049DurationMO TOTAL report only all year
049Flow, in conduit or thru treatment plantDAILY AV report only all year
049Flow, in conduit or thru treatment plantDAILY MX report only all year
049Precipitation volumeMO TOTAL report only all year
050pHDAILY MN >= 6 SU all year
050pHDAILY MX <= 9 SU all year
050Solids, total suspendedDAILY AV <= 35 mg/L all year
050Solids, total suspendedDAILY MX <= 70 mg/L all year
050Solids, settleableDAILY AV report only all year
050Solids, settleableDAILY MX <= .5 mL/L all year
050Iron, total [as Fe]DAILY AV <= 3 mg/L all year
050Iron, total [as Fe]DAILY MX <= 6 mg/L all year
050DurationMO TOTAL report only all year
050Flow, in conduit or thru treatment plantDAILY AV report only all year
050Flow, in conduit or thru treatment plantDAILY MX report only all year
050Precipitation 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