USALCO Ashtabula Plant LLC

NPDES permit OH0128899 · Minor NON-POTW · effective, expires 2028-10-31 · 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

2values over a limit
0required values missing, on 0 form(s)
3of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (2).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (30)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Sep, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Sep, Dec
001Aluminum, total recoverableMO AVG report only Mar, Jun, Sep, Dec
001Aluminum, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
002Temperature, water deg. centigradeMO AVG report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Flow rateMO AVG report only all year
002Flow rateDAILY MX report only all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Sep, Dec
002Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Sep, Dec
002Aluminum, total recoverableMO AVG report only Mar, Jun, Sep, Dec
002Aluminum, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
003Temperature, water deg. centigradeMO AVG report only all year
003Temperature, water deg. centigradeDAILY MX report only all year
003Flow rateMO AVG report only all year
003Flow rateDAILY MX report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Sep, Dec
003Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Sep, Dec
003Aluminum, total recoverableMO AVG report only Mar, Jun, Sep, Dec
003Aluminum, total recoverableDAILY MX report only Mar, Jun, Sep, Dec

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