CertainTeed Corp

NPDES permit OH0000345 · Minor NON-POTW · effective, expires 2026-10-31 · 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)
0of 45 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2).

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 (37)

OutfallParameterStatisticLimitMonths
004Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Jun, Aug, Dec
004pHDAILY MN >= 6.5 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 45 mg/L all year
004Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
004Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L Mar, Jun, Aug, Dec
004Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Mar, Jun, Aug, Dec
004E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL Jun, Aug
004E. coli, MTEC-MFDAILY MX <= 284 MPN/100mL Jun, Aug
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualDAILY MX <= .019 mg/L Jun, Aug
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L Mar, Jun, Aug, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L Mar, Jun, Aug, Dec
005Temperature, water deg. fahrenheitMO AVG report only all year
005Temperature, water deg. fahrenheitDAILY MX report only all year
005pHDAILY MN >= 6.5 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 45 mg/L all year
005Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Chlorine, total residualDAILY MX report only all year
588Sludge waste from secondary clarifiersMO AVG report only Dec
588Sludge waste from secondary clarifiersDAILY MX report only Dec
601pHDAILY MN >= 6.5 SU all year
601pHDAILY MX <= 9 SU all year
601Solids, total suspendedMO AVG <= 60.45 kg/d all year
601Solids, total suspendedDAILY MX <= 89.1 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
602Flow rateMO AVG report only all year
602Flow rateDAILY MX report only all year
602Turbidity [severity]MO AVG report only all year
602Turbidity [severity]DAILY MX 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