Smelter Service Corp.

NPDES permit TN0078573 · Minor NON-POTW · administratively continued, expires 2023-07-31 · 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.

This permit expired on 2023-07-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 28 forms filed late

Last period with anything received: 2026-06-30.

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 (115)

OutfallParameterStatisticLimitMonths
SCDTemperature, water deg. centigradeDAILY MX report only all year
SCDConductivityDAILY MX report only all year
SCDpHVALUE report only all year
SCDSolids, total suspendedDAILY MX report only all year
SCDNitrogen, ammonia total [as N]DAILY MX report only all year
SCDNitrite + Nitrate total [as N]DAILY MX report only all year
SCDPhosphorus, total [as P]DAILY MX report only all year
SCDCyanide, total [as CN]DAILY MX report only all year
SCDHardness, total [as CaCO3]DAILY MX report only all year
SCDChloride [as Cl]DAILY MX report only all year
SCDCadmium, total [as Cd]DAILY MX report only all year
SCDCopper, total [as Cu]DAILY MX report only all year
SCDSilver, total [as Ag]DAILY MX report only all year
SCDAluminum, total [as Al]DAILY MX report only all year
SCDSolids, total dissolvedDAILY MX report only all year
SCDMercury, total [as Hg]DAILY MX report only all year
SCUTemperature, water deg. centigradeDAILY MX report only all year
SCUConductivityDAILY MX report only all year
SCUpHVALUE report only all year
SCUSolids, total suspendedDAILY MX report only all year
SCUNitrogen, ammonia total [as N]DAILY MX report only all year
SCUNitrite + Nitrate total [as N]DAILY MX report only all year
SCUPhosphorus, total [as P]DAILY MX report only all year
SCUCyanide, total [as CN]DAILY MX report only all year
SCUHardness, total [as CaCO3]DAILY MX report only all year
SCUChloride [as Cl]DAILY MX report only all year
SCUCadmium, total [as Cd]DAILY MX report only all year
SCUCopper, total [as Cu]DAILY MX report only all year
SCUSilver, total [as Ag]DAILY MX report only all year
SCUAluminum, total [as Al]DAILY MX report only all year
SCUSolids, total dissolvedDAILY MX report only all year
SCUMercury, total [as Hg]DAILY MX report only all year
SUR1Nitrogen, total [as N]DAILY MX <= 129 lb/d all year
SUR1Nitrogen, ammonia total [as N]DAILY MX <= 144 lb/d all year
SUR1Phosphorus, total [as P]DAILY MX <= 10 lb/d all year
SUR1Chloride [as Cl]DAILY MX <= 14542 lb/d all year
SUR1Solids, total dissolvedDAILY MX <= 27964 lb/d all year
SW1TurbidityDAILY MX report only all year
SW1Color, apparent [unfiltered sample]DAILY MX report only all year
SW1ConductivityDAILY MX report only Mar, Jun, Sep, Dec
SW1pHMINIMUM report only all year
SW1pHMAXIMUM <= 9 SU (alert) all year
SW1Solids, total suspendedDAILY MX report only all year
SW1Solids, settleableDAILY MX report only all year
SW1Oil and grease, hexane extr methodDAILY MX report only all year
SW1Nitrogen, total [as N]DAILY MX report only all year
SW1Nitrogen, ammonia total [as N]DAILY MX <= 11.84 mg/L (alert) all year
SW1Nitrogen, ammonia total [as N]DAILY MX <= 5.17 mg/L (alert) all year
SW1Phosphorus, total [as P]DAILY MX report only all year
SW1Cyanide, total [as CN]DAILY MX report only all year
SW1Chloride [as Cl]MO AVG <= 230 mg/L (alert) all year
SW1Chloride [as Cl]DAILY MX <= 860 mg/L (alert) all year
SW1Cadmium, total [as Cd]DAILY MX report only all year
SW1Copper, total [as Cu]DAILY MX report only all year
SW1Aluminum, total [as Al]DAILY MX report only all year
SW1Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec
SW1Solids, total dissolvedDAILY MX <= 500 mg/L (alert) all year
SW1Mercury, total [as Hg]DAILY MX report only all year
SW1LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM report only all year
SW1LC50 Static 48Hr Acute Pimephales promelasMINIMUM report only all year
SW2ConductivityDAILY MX report only Dec
SW2pHMINIMUM report only all year
SW2pHMAXIMUM <= 9 SU (alert) all year
SW2Solids, total suspendedDAILY MX report only Dec
SW2Solids, settleableDAILY MX report only Dec
SW2Nitrogen, total [as N]DAILY MX report only all year
SW2Nitrogen, ammonia total [as N]DAILY MX report only all year
SW2Phosphorus, total [as P]DAILY MX report only all year
SW2Chloride [as Cl]DAILY MX report only all year
SW2Copper, total [as Cu]DAILY MX report only all year
SW2Silver, total [as Ag]DAILY MX report only all year
SW2Aluminum, total [as Al]DAILY MX report only all year
SW2Flow, in conduit or thru treatment plantDAILY MX report only Dec
SW2Solids, total dissolvedDAILY MX report only all year
SW3ConductivityDAILY MX report only all year
SW3pHMINIMUM report only all year
SW3pHMAXIMUM <= 9 SU (alert) all year
SW3Solids, total suspendedDAILY MX report only all year
SW3Solids, settleableDAILY MX report only Dec
SW3Nitrogen, total [as N]DAILY MX report only all year
SW3Nitrogen, ammonia total [as N]DAILY MX <= 5.17 mg/L (alert) all year
SW3Nitrogen, ammonia total [as N]DAILY MX <= 11.84 mg/L (alert) all year
SW3Phosphorus, total [as P]DAILY MX report only all year
SW3Chloride [as Cl]MO AVG <= 230 mg/L (alert) all year
SW3Chloride [as Cl]DAILY MX <= 860 mg/L (alert) all year
SW3Copper, total [as Cu]DAILY MX report only all year
SW3Aluminum, total [as Al]DAILY MX report only all year
SW3Flow, in conduit or thru treatment plantDAILY MX report only all year
SW3Solids, total dissolvedDAILY MX <= 500 mg/L (alert) all year
SW4ConductivityDAILY MX report only Dec
SW4pHMINIMUM report only all year
SW4pHMAXIMUM <= 9 SU (alert) all year
SW4Solids, total suspendedDAILY MX report only Dec
SW4Solids, settleableDAILY MX report only Dec
SW4Nitrogen, total [as N]DAILY MX report only all year
SW4Nitrogen, ammonia total [as N]DAILY MX report only Dec
SW4Phosphorus, total [as P]DAILY MX report only all year
SW4Chloride [as Cl]DAILY MX report only all year
SW4Copper, total [as Cu]DAILY MX report only all year
SW4Aluminum, total [as Al]DAILY MX report only all year
SW4Flow, in conduit or thru treatment plantDAILY MX report only all year
SW4Solids, total dissolvedDAILY MX <= 500 mg/L (alert) all year
SW5ConductivityDAILY MX report only all year
SW5pHMAXIMUM <= 9 SU (alert) all year
SW5pHMINIMUM report only all year
SW5Solids, total suspendedDAILY MX report only all year
SW5Solids, settleableDAILY MX report only all year
SW5Nitrogen, total [as N]DAILY MX report only all year
SW5Nitrogen, ammonia total [as N]DAILY MX report only all year
SW5Phosphorus, total [as P]DAILY MX report only all year
SW5Chloride [as Cl]DAILY MX report only all year
SW5Copper, total [as Cu]DAILY MX report only all year
SW5Aluminum, total [as Al]DAILY MX report only all year
SW5Flow, in conduit or thru treatment plantDAILY MX report only all year
SW5Solids, total dissolvedDAILY MX <= 500 mg/L (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