Responsible Energy Operations LLC Antioch Mine

NPDES permit ING040207 · Minor NON-POTW · effective, expires 2030-03-31 · 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

4values over a limit
0required values missing, on 0 form(s)
36of 77 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2), Manganese, total [as Mn] (1), Iron, total [as Fe] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (94)

OutfallParameterStatisticLimitMonths
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
006Copper, total [as Cu]DAILY AV report only all year
006Copper, total [as Cu]DAILY MX report only all year
006Iron, total [as Fe]DAILY AV <= 3 mg/L all year
006Iron, total [as Fe]DAILY MX <= 6 mg/L all year
006Manganese, total [as Mn]DAILY AV <= 2 mg/L all year
006Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
006Nickel, total [as Ni]DAILY AV report only all year
006Nickel, total [as Ni]DAILY MX report only all year
006Zinc, total [as Zn]DAILY AV report only all year
006Zinc, total [as Zn]DAILY MX report only all year
006Aluminum, total [as Al]DAILY AV report only all year
006Aluminum, total [as Al]DAILY MN report only 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
011pHDAILY MN >= 6 SU all year
011pHDAILY MX <= 9 SU all year
011Solids, total suspendedDAILY AV <= 35 mg/L all year
011Solids, total suspendedDAILY MX <= 70 mg/L all year
011Solids, settleableDAILY AV report only all year
011Solids, settleableDAILY MX <= .5 mL/L all year
011Iron, total [as Fe]DAILY AV <= 3 mg/L all year
011Iron, total [as Fe]DAILY MX <= 6 mg/L all year
011DurationMO TOTAL report only all year
011Flow, in conduit or thru treatment plantDAILY AV report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year
011Precipitation volumeMO TOTAL report only all year
013pHDAILY MN >= 6 SU all year
013pHDAILY MX <= 9 SU all year
013Solids, total suspendedDAILY AV <= 35 mg/L all year
013Solids, total suspendedDAILY MX <= 70 mg/L all year
013Solids, settleableDAILY AV report only all year
013Solids, settleableDAILY MX <= .5 mL/L all year
013Iron, total [as Fe]DAILY AV <= 3 mg/L all year
013Iron, total [as Fe]DAILY MX <= 6 mg/L all year
013DurationMO TOTAL report only all year
013Flow, in conduit or thru treatment plantDAILY AV report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Precipitation 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
016pHDAILY MN >= 6 SU all year
016pHDAILY MX <= 9 SU all year
016Solids, total suspendedDAILY AV <= 35 mg/L all year
016Solids, total suspendedDAILY MX <= 70 mg/L all year
016Solids, settleableDAILY AV report only all year
016Solids, settleableDAILY MX <= .5 mL/L all year
016Iron, total [as Fe]DAILY AV <= 3 mg/L all year
016Iron, total [as Fe]DAILY MX <= 6 mg/L all year
016DurationMO TOTAL report only all year
016Flow, in conduit or thru treatment plantDAILY AV report only all year
016Flow, in conduit or thru treatment plantDAILY MX report only all year
016Precipitation 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