Covoro Mining Solutions LLC

NPDES permit TN0001091 · Major NON-POTW · effective, expires 2028-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
1of 49 forms filed late

Last period with anything received: 2026-08-31. Most often over: pH (2).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (115)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 723 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1373 lb/d all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 2081 lb/d all year
001Solids, total suspendedDAILY MX <= 5632 lb/d all year
001Oil and grease, hexane extr methodMO AVG <= 694 lb/d all year
001Oil and grease, hexane extr methodDAILY MX <= 1339 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
001Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L (alert) all year
001Nitrite + Nitrate total [as N]DAILY MX <= .68 mg/L (alert) all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Carbon, tot organic [TOC]MO AVG report only all year
001Carbon, tot organic [TOC]DAILY MX report only all year
001Cyanide, total [as CN]MO AVG report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Magnesium, total [as Mg]DAILY MX <= .064 mg/L (alert) all year
001Copper, total [as Cu]DAILY MX <= .018 mg/L (alert) all year
001Iron, total [as Fe]DAILY MX <= 5 mg/L (alert) all year
001Zinc, total [as Zn]DAILY MX <= .395 mg/L (alert) all year
001Aluminum, total [as Al]DAILY MX report only (alert) 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
001Chlorine, total residualMO AVG <= .095 mg/L all year
001Chlorine, total residualDAILY MX <= .16 mg/L all year
001Methyl methacrylateDAILY MX report only (alert) all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM > 11.6 % all year
001IC25 Static Renewal 7 Day Chronic ChrpimephalesMINIMUM > 11.6 % all year
IMP1pHDAILY MN >= 6 SU all year
IMP1pHDAILY MX <= 9 SU all year
IMP1Solids, total suspendedMO AVG <= 191.4 lb/d all year
IMP1Solids, total suspendedDAILY MX <= 414.5 lb/d all year
IMP1Carbon, tot organic [TOC]MO AVG <= 105 lb/d all year
IMP1Carbon, tot organic [TOC]DAILY MX <= 228 lb/d all year
SW11pHDAILY MN >= 6 SU (alert) all year
SW11pHDAILY MX <= 9 SU (alert) all year
SW11Solids, total suspendedDAILY MX <= 150 mg/L (alert) all year
SW11Nitrogen, total [as N]MO AVG report only (alert) all year
SW11Nitrogen, total [as N]DAILY MX report only (alert) all year
SW11Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L (alert) all year
SW11Nitrite + Nitrate total [as N]DAILY MX <= .68 mg/L (alert) all year
SW11Phosphorus, total [as P]MO AVG report only (alert) all year
SW11Phosphorus, total [as P]DAILY MX report only (alert) all year
SW11Magnesium, total [as Mg]DAILY MX <= .064 mg/L (alert) all year
SW11Copper, total [as Cu]DAILY MX <= .018 mg/L (alert) all year
SW11Iron, total [as Fe]DAILY MX <= 5 mg/L (alert) all year
SW11Zinc, total [as Zn]DAILY MX <= .395 mg/L (alert) all year
SW11Aluminum, total [as Al]DAILY MX <= .75 mg/L (alert) all year
SW11Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
SW13pHDAILY MN >= 6 SU (alert) all year
SW13pHDAILY MX <= 9 SU (alert) all year
SW13Solids, total suspendedDAILY MX <= 150 mg/L (alert) all year
SW13Nitrogen, total [as N]MO AVG report only (alert) all year
SW13Nitrogen, total [as N]DAILY MX report only (alert) all year
SW13Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L (alert) all year
SW13Nitrite + Nitrate total [as N]DAILY MX <= .68 mg/L (alert) all year
SW13Phosphorus, total [as P]MO AVG report only (alert) all year
SW13Phosphorus, total [as P]DAILY MX report only (alert) all year
SW13Magnesium, total [as Mg]DAILY MX <= .064 mg/L (alert) all year
SW13Copper, total [as Cu]DAILY MX <= .018 mg/L (alert) all year
SW13Iron, total [as Fe]DAILY MX <= 5 mg/L (alert) all year
SW13Zinc, total [as Zn]DAILY MX <= .395 mg/L (alert) all year
SW13Aluminum, total [as Al]DAILY MX <= .75 mg/L (alert) all year
SW13Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
SW15pHDAILY MN >= 6 SU (alert) all year
SW15pHDAILY MX <= 9 SU (alert) all year
SW15Solids, total suspendedDAILY MX <= 150 mg/L (alert) all year
SW15Nitrogen, total [as N]MO AVG report only (alert) all year
SW15Nitrogen, total [as N]DAILY MX report only (alert) all year
SW15Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L (alert) all year
SW15Nitrite + Nitrate total [as N]DAILY MX <= .68 mg/L (alert) all year
SW15Phosphorus, total [as P]MO AVG report only (alert) all year
SW15Phosphorus, total [as P]DAILY MX report only (alert) all year
SW15Magnesium, total [as Mg]DAILY MX <= .064 mg/L (alert) all year
SW15Copper, total [as Cu]DAILY MX <= .018 mg/L (alert) all year
SW15Iron, total [as Fe]DAILY MX <= 5 mg/L (alert) all year
SW15Zinc, total [as Zn]DAILY MX <= .395 mg/L (alert) all year
SW15Aluminum, total [as Al]DAILY MX <= .75 mg/L (alert) all year
SW15Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
SW15Methyl methacrylateDAILY MX report only (alert) all year
SW8pHDAILY MN >= 6 SU (alert) all year
SW8pHDAILY MX <= 9 SU (alert) all year
SW8Solids, total suspendedDAILY MX <= 150 mg/L (alert) all year
SW8Nitrogen, total [as N]MO AVG report only (alert) all year
SW8Nitrogen, total [as N]DAILY MX report only (alert) all year
SW8Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L (alert) all year
SW8Nitrite + Nitrate total [as N]DAILY MX <= .68 mg/L (alert) all year
SW8Phosphorus, total [as P]MO AVG report only (alert) all year
SW8Phosphorus, total [as P]DAILY MX report only (alert) all year
SW8Magnesium, total [as Mg]DAILY MX <= .064 mg/L (alert) all year
SW8Copper, total [as Cu]DAILY MX <= .018 mg/L (alert) all year
SW8Iron, total [as Fe]DAILY MX <= 5 mg/L (alert) all year
SW8Zinc, total [as Zn]DAILY MX <= .395 mg/L (alert) all year
SW8Aluminum, total [as Al]DAILY MX <= .75 mg/L (alert) all year
SW8Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
SW8Methyl methacrylateDAILY MX report only (alert) all year
SW9pHDAILY MN >= 6 SU (alert) all year
SW9pHDAILY MX <= 9 SU (alert) all year
SW9Solids, total suspendedDAILY MX <= 150 mg/L (alert) all year
SW9Nitrogen, total [as N]MO AVG report only (alert) all year
SW9Nitrogen, total [as N]DAILY MX report only (alert) all year
SW9Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L (alert) all year
SW9Nitrite + Nitrate total [as N]DAILY MX <= .68 mg/L (alert) all year
SW9Phosphorus, total [as P]MO AVG report only (alert) all year
SW9Phosphorus, total [as P]DAILY MX report only (alert) all year
SW9Magnesium, total [as Mg]DAILY MX <= .064 mg/L (alert) all year
SW9Copper, total [as Cu]DAILY MX <= .018 mg/L (alert) all year
SW9Iron, total [as Fe]DAILY MX <= 5 mg/L (alert) all year
SW9Zinc, total [as Zn]DAILY MX <= .395 mg/L (alert) all year
SW9Aluminum, total [as Al]DAILY MX <= .75 mg/L (alert) all year
SW9Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
SW9Methyl methacrylateDAILY MX report only (alert) 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