Ashta Chemicals Inc Ashtabula Plant

NPDES permit OH0000752 · Major NON-POTW · administratively continued, expires 2024-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-08-31 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

1values over a limit
5required values missing, on 3 form(s)
7of 80 forms filed late

Last period with anything received: 2026-07-31. Most often over: Mercury, total low level (1).

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 (82)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only Mar, Jun, Aug, Dec
001Phosphorus, total [as P]DAILY MX report only Mar, Jun, Aug, Dec
001RainfallMO AVG report only all year
001RainfallDAILY MX report only 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 residualDAILY MX <= .038 mg/L all year
001Mercury, total low levelMO AVG <= 50 ng/L all year
001Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Mar, Jun, Aug, Dec
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Mar, Jun, Aug, Dec
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only Aug
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only Aug
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Mar, Jun, Aug, Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Mar, Jun, Aug, Dec
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only Aug
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only Aug
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedDAILY MX <= 50 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Mercury, total low levelMO AVG report only all year
002Mercury, total low levelDAILY MX report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedDAILY MX <= 50 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Mercury, total low levelMO AVG report only all year
003Mercury, total low levelDAILY MX report only all year
005pHDAILY MN >= 6.5 SU Mar, Jun, Aug, Dec
005pHDAILY MX <= 9 SU Mar, Jun, Aug, Dec
005Solids, total suspendedDAILY MX <= 50 mg/L Mar, Jun, Aug, Dec
005Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Aug, Dec
005Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Aug, Dec
005Mercury, total low levelMO AVG report only Mar, Jun, Aug, Dec
005Mercury, total low levelDAILY MX report only Mar, Jun, Aug, Dec
091Mercury, total low levelMO AVG report only all year
091Mercury, total low levelDAILY MX report only all year
601pHDAILY MN report only all year
601pHDAILY MX report only all year
601Solids, total suspendedMO AVG <= 58 mg/L all year
601Solids, total suspendedDAILY MX <= 120 mg/L all year
601Solids, total suspendedMO AVG <= 25.3 kg/d all year
601Solids, total suspendedDAILY MX <= 52.3 kg/d all year
601Flow, in conduit or thru treatment plantMO AVG report only all year
601Flow, in conduit or thru treatment plantDAILY MX report only all year
601Mercury, total low levelDAILY MX <= 250 ng/L all year
601Mercury, total low levelDAILY MX <= .000109 kg/d all year
601Solids, total dissolved- 180 deg. CMO AVG report only all year
601Solids, total dissolved- 180 deg. CDAILY MX report only all year
602pHDAILY MN report only all year
602pHDAILY MX report only all year
602Solids, total suspendedMO AVG <= 58 mg/L all year
602Solids, total suspendedDAILY MX <= 120 mg/L all year
602Flow, in conduit or thru treatment plantMO AVG report only all year
602Flow, in conduit or thru treatment plantDAILY MX report only all year
602Chlorine, total residualDAILY MX report only all year
602Mercury, total low levelMO AVG report only all year
602Mercury, total low levelDAILY MX report only all year
602Solids, total dissolved- 180 deg. CMO AVG report only all year
602Solids, total dissolved- 180 deg. CDAILY MX report only all year
802Flow, in conduit or thru treatment plantMO AVG report only all year
802Flow, in conduit or thru treatment plantDAILY MX report only all year
802Mercury, total low levelMO AVG report only all year
802Mercury, total low levelDAILY MX report only all year
802%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Mar, Jun, Aug, Dec
802%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Mar, Jun, Aug, Dec
802%Effect Static Renewal 96Hr Acute Pimephales promelasMO AVG report only Mar, Jun, Aug, Dec
802%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only Mar, Jun, Aug, Dec
802%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG report only Aug
802%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX report only Aug
802%Effect Static Renewal 7Day Chronic Pimephales promelasMO AVG report only Aug
802%Effect Static Renewal 7Day Chronic Pimephales promelasDAILY MX report only Aug

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