Sun Energy Group LLC Flint Hill Mine

NPDES permit ING040292 · Minor NON-POTW · effective, expires 2029-05-31 · 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)
24of 88 forms filed late

Last period with anything received: 2026-07-31.

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 (106)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, settleableMO AVG report only all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Iron, total recoverableMO AVG <= 3 mg/L all year
001Iron, total recoverableDAILY MX <= 6 mg/L all year
001DurationMO TOTAL report only all year
001Flow, in conduit or thru treatment plantMO AVG 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 suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, settleableMO AVG report only all year
002Solids, settleableDAILY MX <= .5 mL/L all year
002Iron, total recoverableMO AVG <= 3 mg/L all year
002Iron, total recoverableDAILY MX <= 6 mg/L all year
002Nickel, total recoverableMO AVG report only all year
002Nickel, total recoverableDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
002Aluminum, total recoverableMO AVG report only all year
002Aluminum, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002Manganese, total recoverableMO AVG <= 2 mg/L all year
002Manganese, total recoverableDAILY MX <= 4 mg/L all year
002DurationMO TOTAL report only all year
002Flow, in conduit or thru treatment plantMO AVG 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 suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, settleableMO AVG report only all year
003Solids, settleableDAILY MX <= .5 mL/L all year
003Iron, total recoverableMO AVG <= 3 mg/L all year
003Iron, total recoverableDAILY MX <= 6 mg/L all year
003DurationMO TOTAL report only all year
003Flow, in conduit or thru treatment plantMO AVG 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 suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, settleableMO AVG report only all year
004Solids, settleableDAILY MX <= .5 mL/L all year
004Iron, total recoverableMO AVG <= 3 mg/L all year
004Iron, total recoverableDAILY MX <= 6 mg/L all year
004DurationMO TOTAL report only all year
004Flow, in conduit or thru treatment plantMO AVG 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 suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, settleableMO AVG report only all year
005Solids, settleableDAILY MX <= .5 mL/L all year
005Iron, total recoverableMO AVG <= 3 mg/L all year
005Iron, total recoverableDAILY MX <= 6 mg/L all year
005DurationMO TOTAL report only all year
005Flow, in conduit or thru treatment plantMO AVG 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 suspendedMO AVG <= 35 mg/L all year
006Solids, total suspendedDAILY MX <= 70 mg/L all year
006Solids, settleableMO AVG report only all year
006Solids, settleableDAILY MX <= .5 mL/L all year
006Iron, total recoverableMO AVG <= 3 mg/L all year
006Iron, total recoverableDAILY MX <= 6 mg/L all year
006DurationMO TOTAL report only all year
006Flow, in conduit or thru treatment plantMO AVG 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 suspendedMO AVG <= 35 mg/L all year
007Solids, total suspendedDAILY MX <= 70 mg/L all year
007Solids, settleableMO AVG report only all year
007Solids, settleableDAILY MX <= .5 mL/L all year
007Iron, total recoverableMO AVG <= 3 mg/L all year
007Iron, total recoverableDAILY MX <= 6 mg/L all year
007DurationMO TOTAL report only all year
007Flow, in conduit or thru treatment plantMO AVG 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 suspendedMO AVG <= 35 mg/L all year
008Solids, total suspendedDAILY MX <= 70 mg/L all year
008Solids, settleableMO AVG report only all year
008Solids, settleableDAILY MX <= .5 mL/L all year
008Iron, total recoverableMO AVG <= 3 mg/L all year
008Iron, total recoverableDAILY MX <= 6 mg/L all year
008DurationMO TOTAL report only all year
008Flow, in conduit or thru treatment plantMO AVG 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