ALCOA WARRICK POWER PLANT - Y PIT

NPDES permit IN0064905 · Minor NON-POTW · administratively continued, expires 2026-03-31 · 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 2026-03-31 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 30 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among IN permits in EPA's filings — check your permit).

Limits in force (40)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU Jun, Dec
001pHDAILY MN >= 6 SU Jun, Dec
001pHDAILY MX <= 9 SU Jun, Dec
001pHDAILY MX <= 9 SU Jun, Dec
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
001Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Dec
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only Jun, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only Jun, Dec
001Phosphorus, total [as P]DAILY MX report only Jun, Dec
001Phosphorus, total [as P]DAILY MX report only Jun, Dec
001Cyanide, free [as free]MO AVG <= .0052 mg/L Mar, Jun, Sep, Dec
001Cyanide, free [as free]DAILY MX <= .0085 mg/L Mar, Jun, Sep, Dec
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Dec
001Chemical Oxygen Demand [COD]DAILY MX report only Jun, Dec
001Chemical Oxygen Demand [COD]DAILY MX report only Jun, Dec
001Flow, totalMO TOTAL report only all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
002Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
002Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Dec
002Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Dec
002Nitrite + Nitrate total [as N]DAILY MX report only Jun, Dec
002Nitrite + Nitrate total [as N]DAILY MX report only Jun, Dec
002Phosphorus, total [as P]DAILY MX report only Jun, Dec
002Phosphorus, total [as P]DAILY MX report only Jun, Dec
002Selenium, total recoverableDAILY MX report only all year
002Boron, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Dec
002BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Dec
002Chemical Oxygen Demand [COD]DAILY MX report only Jun, Dec
002Chemical Oxygen Demand [COD]DAILY MX report only Jun, Dec
002Flow, totalMO 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