Ashland Inc

NPDES permit OH0010006 · Minor NON-POTW · effective, expires 2027-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 123 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (139)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 32.2 deg C 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
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Zinc, total recoverableMO AVG report only Apr, Oct
001Zinc, total recoverableDAILY MX report only Apr, Oct
001Copper, total recoverableMO AVG report only Apr, Oct
001Copper, total recoverableDAILY MX report only Apr, Oct
002Flow rateMO AVG report only Mar, Jun, Sep, Dec
002Flow rateDAILY MX report only Mar, Jun, Sep, Dec
002pHDAILY MN >= 6.5 SU Mar, Jun, Sep, Dec
002pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
002Solids, total suspendedMO AVG report only Mar, Jun, Sep, Dec
002Solids, total suspendedDAILY MX report only Mar, Jun, Sep, Dec
002Oil and grease, hexane extr methodDAILY MX <= 10 mg/L Mar, Jun, Sep, Dec
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
003Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
004Flow rateMO AVG report only all year
004Flow rateDAILY MX report only all year
004pHDAILY MN >= 6.5 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
006Flow rateMO AVG report only Mar, Jun, Sep, Dec
006Flow rateDAILY MX report only Mar, Jun, Sep, Dec
006pHDAILY MN >= 6.5 SU Mar, Jun, Sep, Dec
006pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
006Solids, total suspendedMO AVG report only Mar, Jun, Sep, Dec
006Solids, total suspendedDAILY MX report only Mar, Jun, Sep, Dec
006Oil and grease, hexane extr methodMO AVG report only Mar, Jun, Sep, Dec
006Oil and grease, hexane extr methodDAILY MX report only Mar, Jun, Sep, Dec
007Flow rateMO AVG report only all year
007Flow rateDAILY MX report only all year
007pHDAILY MN >= 6.5 SU all year
007pHDAILY MX <= 9 SU all year
007Solids, total suspendedMO AVG report only all year
007Solids, total suspendedDAILY MX report only all year
007Oil and grease, hexane extr methodMO AVG report only all year
007Oil and grease, hexane extr methodDAILY MX report only all year
008Flow rateMO AVG report only Mar, Jun, Sep, Dec
008Flow rateDAILY MX report only Mar, Jun, Sep, Dec
008pHDAILY MN >= 6.5 SU Mar, Jun, Sep, Dec
008pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
008Solids, total suspendedMO AVG report only Mar, Jun, Sep, Dec
008Solids, total suspendedDAILY MX report only Mar, Jun, Sep, Dec
008Oil and grease, hexane extr methodMO AVG report only Mar, Jun, Sep, Dec
008Oil and grease, hexane extr methodDAILY MX report only Mar, Jun, Sep, Dec
009Flow rateMO AVG report only all year
009Flow rateDAILY MX report only all year
009pHDAILY MN >= 6.5 SU all year
009pHDAILY MX <= 9 SU all year
009Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
601Flow rateMO AVG report only all year
601Flow rateDAILY MX report only all year
601Oxygen, dissolved [DO]DAILY MN report only all year
601pHDAILY MN report only all year
601pHDAILY MX report only all year
601Solids, total suspendedMO AVG report only all year
601Solids, total suspendedDAILY MX report only all year
601Oil and grease, hexane extr methodDAILY MX report only all year
601Iron, total recoverableMO AVG report only all year
601Iron, total recoverableDAILY MX report only all year
601TolueneDAILY MX report only all year
601BenzeneDAILY MX report only all year
601EthylbenzeneDAILY MX report only all year
601Chlorine, total residualDAILY MX report only all year
601Xylene [mix of m+o+p]DAILY MX report only all year
602Flow rateMO AVG report only all year
602Flow rateDAILY MX report only all year
602Oxygen, dissolved [DO]DAILY MN report only all year
602pHDAILY MN report only all year
602pHDAILY MX report only all year
602Solids, total suspendedMO AVG report only all year
602Solids, total suspendedDAILY MX report only all year
602Oil and grease, hexane extr methodDAILY MX report only all year
602Iron, total recoverableMO AVG report only all year
602Iron, total recoverableDAILY MX report only all year
602TolueneDAILY MX report only all year
602BenzeneDAILY MX report only all year
602EthylbenzeneDAILY MX report only all year
602Chlorine, total residualDAILY MX report only all year
602Xylene [mix of m+o+p]DAILY MX report only all year
603Flow rateMO AVG report only all year
603Flow rateDAILY MX report only all year
603Oxygen, dissolved [DO]DAILY MN report only all year
603pHDAILY MN report only all year
603pHDAILY MX report only all year
603Solids, total suspendedMO AVG report only all year
603Solids, total suspendedDAILY MX report only all year
603Oil and grease, hexane extr methodDAILY MX report only all year
603Iron, total recoverableMO AVG report only all year
603Iron, total recoverableDAILY MX report only all year
603TolueneDAILY MX report only all year
603BenzeneDAILY MX report only all year
603EthylbenzeneDAILY MX report only all year
603Chlorine, total residualDAILY MX report only all year
603Xylene [mix of m+o+p]DAILY MX report only all year
604Flow rateMO AVG report only all year
604Flow rateDAILY MX report only all year
604Oxygen, dissolved [DO]DAILY MN report only all year
604pHDAILY MN report only all year
604pHDAILY MX report only all year
604Solids, total suspendedMO AVG report only all year
604Solids, total suspendedDAILY MX report only all year
604Oil and grease, hexane extr methodDAILY MX report only all year
604Iron, total recoverableMO AVG report only all year
604Iron, total recoverableDAILY MX report only all year
604TolueneDAILY MX report only all year
604BenzeneDAILY MX report only all year
604EthylbenzeneDAILY MX report only all year
604Chlorine, total residualDAILY MX report only all year
604Xylene [mix of m+o+p]DAILY MX report only all year
608Flow rateMO AVG report only all year
608Flow rateDAILY MX report only all year
608Oxygen, dissolved [DO]DAILY MN report only all year
608pHDAILY MN report only all year
608pHDAILY MX report only all year
608Solids, total suspendedMO AVG report only all year
608Solids, total suspendedDAILY MX report only all year
608Oil and grease, hexane extr methodDAILY MX report only all year
608Iron, total recoverableMO AVG report only all year
608Iron, total recoverableDAILY MX report only all year
608TolueneDAILY MX report only all year
608BenzeneDAILY MX report only all year
608EthylbenzeneDAILY MX report only all year
608Chlorine, total residualDAILY MX report only all year
608Xylene [mix of m+o+p]DAILY MX report only all year
612Solids, total suspendedMO AVG <= 13 mg/L Apr
612Solids, total suspendedDAILY MX <= 20 mg/L Apr
612Oil and grease, hexane extr methodMO AVG <= 9 mg/L Apr
612Oil and grease, hexane extr methodDAILY MX <= 13 mg/L Apr

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