Mossy Creek Mining, LLC

NPDES permit TN0057029 · Minor NON-POTW · effective, expires 2028-06-30 · 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 33 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among TN permits in EPA's filings — check your permit).

Limits in force (48)

OutfallParameterStatisticLimitMonths
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 20 mg/L all year
003Solids, total suspendedDAILY MX <= 30 mg/L all year
003Cadmium, total [as Cd]MO AVG <= .02 mg/L all year
003Cadmium, total [as Cd]DAILY MX <= .07 mg/L all year
003Copper, total [as Cu]MO AVG <= .15 mg/L all year
003Copper, total [as Cu]DAILY MX <= .3 mg/L all year
003Lead, total [as Pb]MO AVG <= .2 mg/L all year
003Lead, total [as Pb]DAILY MX <= .6 mg/L all year
003Zinc, total [as Zn]MO AVG <= .75 mg/L all year
003Zinc, total [as Zn]DAILY MX <= 1 mg/L 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
003Mercury, total [as Hg]MO AVG <= .0002 mg/L all year
003Mercury, total [as Hg]DAILY MX <= .0002 mg/L all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedMO AVG <= 20 mg/L all year
004Solids, total suspendedDAILY MX <= 30 mg/L all year
004Cadmium, total [as Cd]MO AVG <= .02 mg/L all year
004Cadmium, total [as Cd]DAILY MX <= .07 mg/L all year
004Copper, total [as Cu]MO AVG <= .15 mg/L all year
004Copper, total [as Cu]DAILY MX <= .3 mg/L all year
004Lead, total [as Pb]MO AVG <= .2 mg/L all year
004Lead, total [as Pb]DAILY MX <= .6 mg/L all year
004Zinc, total [as Zn]MO AVG <= .75 mg/L all year
004Zinc, total [as Zn]DAILY MX <= 1 mg/L 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
004Mercury, total [as Hg]MO AVG <= .0002 mg/L all year
004Mercury, total [as Hg]DAILY MX <= .0002 mg/L all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedMO AVG <= 20 mg/L all year
005Solids, total suspendedDAILY MX <= 30 mg/L all year
005Cadmium, total [as Cd]MO AVG <= .02 mg/L all year
005Cadmium, total [as Cd]DAILY MX <= .07 mg/L all year
005Copper, total [as Cu]MO AVG <= .15 mg/L all year
005Copper, total [as Cu]DAILY MX <= .3 mg/L all year
005Lead, total [as Pb]MO AVG <= .2 mg/L all year
005Lead, total [as Pb]DAILY MX <= .6 mg/L all year
005Zinc, total [as Zn]MO AVG <= .75 mg/L all year
005Zinc, total [as Zn]DAILY MX <= 1 mg/L 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
005Mercury, total [as Hg]MO AVG <= .0002 mg/L all year
005Mercury, total [as Hg]DAILY MX <= .0002 mg/L 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