Gibson County Coal LLC - Gibson Mine

NPDES permit ING040141 · Minor NON-POTW · effective, expires 2027-05-31 · 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 96 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 (96)

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
001Iron, total [as Fe]DAILY AV <= 3 mg/L all year
001Iron, total [as Fe]DAILY MX <= 6 mg/L 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
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedDAILY AV <= 35 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, settleableDAILY AV report only all year
003Solids, settleableDAILY MX <= .5 mL/L all year
003Iron, total [as Fe]DAILY AV <= 3 mg/L all year
003Iron, total [as Fe]DAILY MX <= 6 mg/L all year
003DurationMO TOTAL report only all year
003Flow, in conduit or thru treatment plantDAILY AV report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Precipitation volumeMO TOTAL report only all year
004pHDAILY MN >= 6 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedDAILY AV <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, settleableDAILY AV report only all year
004Solids, settleableDAILY MX <= .5 mL/L all year
004Iron, total [as Fe]DAILY AV <= 3 mg/L all year
004Iron, total [as Fe]DAILY MX <= 6 mg/L all year
004DurationMO TOTAL report only all year
004Flow, in conduit or thru treatment plantDAILY AV report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Precipitation volumeMO TOTAL report only all year
005pHDAILY MN >= 6 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedDAILY AV <= 35 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, settleableDAILY AV report only all year
005Solids, settleableDAILY MX <= .5 mL/L all year
005Iron, total [as Fe]DAILY AV <= 3 mg/L all year
005Iron, total [as Fe]DAILY MX <= 6 mg/L all year
005DurationMO TOTAL report only all year
005Flow, in conduit or thru treatment plantDAILY AV report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Precipitation volumeMO TOTAL report only all year
006pHDAILY MN >= 6 SU all year
006pHDAILY MX <= 9 SU all year
006Solids, total suspendedDAILY AV <= 35 mg/L all year
006Solids, total suspendedDAILY MX <= 70 mg/L all year
006Solids, settleableDAILY AV report only all year
006Solids, settleableDAILY MX <= .5 mL/L all year
006Iron, total [as Fe]DAILY AV <= 3 mg/L all year
006Iron, total [as Fe]DAILY MX <= 6 mg/L all year
006DurationMO TOTAL report only all year
006Flow, in conduit or thru treatment plantDAILY AV report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Precipitation 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

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