Alcoa Business Park LLC

NPDES permit TN0082007 · Minor NON-POTW · effective, expires 2027-12-31 · 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)
0of 10 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 (38)

OutfallParameterStatisticLimitMonths
S01LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM report only all year
S01LC50 Static 48Hr Acute Pimephales promelasMINIMUM report only all year
S02LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM report only all year
S02LC50 Static 48Hr Acute Pimephales promelasMINIMUM report only all year
S04LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM report only all year
S04LC50 Static 48Hr Acute Pimephales promelasMINIMUM report only all year
S06pHMAXIMUM report only all year
S06Solids, total suspendedDAILY MX report only all year
S06Oil and grease, hexane extr methodDAILY MX report only all year
S06Nitrogen, ammonia total [as N]DAILY MX report only all year
S06Nitrite + Nitrate total [as N]DAILY MX report only all year
S06Cyanide, total [as CN]DAILY MX report only all year
S06Magnesium, total [as Mg]DAILY MX report only all year
S06Fluoride, dissolved [as F]DAILY MX report only all year
S06Chromium, total [as Cr]DAILY MX report only all year
S06Zinc, total [as Zn]DAILY MX report only all year
S06Aluminum, total [as Al]DAILY MX report only all year
S06Flow, in conduit or thru treatment plantDAILY MX report only all year
S06Chlorine, total residualDAILY MX report only all year
S06BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
S06LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM report only all year
S06LC50 Static 48Hr Acute Pimephales promelasMINIMUM report only all year
SW5pHMAXIMUM report only all year
SW5Solids, total suspendedDAILY MX report only all year
SW5Oil and grease, hexane extr methodMAXIMUM report only all year
SW5Nitrogen, ammonia total [as N]DAILY MX report only all year
SW5Nitrite + Nitrate total [as N]DAILY MX report only all year
SW5Cyanide, total [as CN]DAILY MX report only all year
SW5Magnesium, total [as Mg]DAILY MX report only all year
SW5Fluoride, dissolved [as F]DAILY MX report only all year
SW5Chromium, total [as Cr]DAILY MX report only all year
SW5Zinc, total [as Zn]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
SW5Chlorine, total residualDAILY MX report only all year
SW5BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
SW5LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM report only all year
SW5LC50 Static 48Hr Acute Pimephales promelasMINIMUM 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