ERC Mining Indiana Corporation Gold Star Mine

NPDES permit ING040249 · Minor NON-POTW · effective, expires 2030-10-31 · 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

13values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (8), Manganese, total [as Mn] (5).

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 (66)

OutfallParameterStatisticLimitMonths
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
003Copper, total [as Cu]DAILY AV report only all year
003Copper, total [as Cu]DAILY MX report only all year
003Iron, total [as Fe]DAILY AV <= 3 mg/L all year
003Iron, total [as Fe]DAILY MX <= 6 mg/L all year
003Manganese, total [as Mn]DAILY AV <= 2 mg/L all year
003Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
003Nickel, total [as Ni]DAILY AV report only all year
003Nickel, total [as Ni]DAILY MX report only all year
003Zinc, total [as Zn]DAILY AV report only all year
003Zinc, total [as Zn]DAILY MX report only all year
003Aluminum, total [as Al]DAILY AV report only all year
003Aluminum, total [as Al]DAILY MX report only 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
004Copper, total [as Cu]DAILY AV report only all year
004Copper, total [as Cu]DAILY MX report only all year
004Iron, total [as Fe]DAILY AV <= 3 mg/L all year
004Iron, total [as Fe]DAILY MX <= 6 mg/L all year
004Manganese, total [as Mn]DAILY AV <= 2 mg/L all year
004Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
004Nickel, total [as Ni]DAILY AV report only all year
004Nickel, total [as Ni]DAILY MX report only all year
004Zinc, total [as Zn]DAILY AV report only all year
004Zinc, total [as Zn]DAILY MX report only all year
004Aluminum, total [as Al]DAILY AV report only all year
004Aluminum, total [as Al]DAILY MX report only 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
005Copper, total [as Cu]DAILY AV report only all year
005Copper, total [as Cu]DAILY MX report only all year
005Iron, total [as Fe]DAILY AV <= 3 mg/L all year
005Iron, total [as Fe]DAILY MX <= 6 mg/L all year
005Manganese, total [as Mn]DAILY AV <= 2 mg/L all year
005Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
005Nickel, total [as Ni]DAILY AV report only all year
005Nickel, total [as Ni]DAILY MX report only all year
005Zinc, total [as Zn]DAILY AV report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Aluminum, total [as Al]DAILY AV report only all year
005Aluminum, total [as Al]DAILY MX report only 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

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