Therm-O-Link, Inc.

NPDES permit OH0121550 · Minor NON-POTW · effective, expires 2031-07-31 · 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 34 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 (read off this permit's own late-day counts in EPA's filings).

Limits in force (23)

OutfallParameterStatisticLimitMonths
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitDAILY MX report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 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
602BOD, 5-day, 20 deg. CDAILY MX <= 26 mg/L all year
602BOD, 5-day, 20 deg. CDAILY MX <= 2.03 kg/d all year
602pHDAILY MN >= 6 SU all year
602pHDAILY MX <= 9 SU all year
602Solids, total suspendedDAILY MX <= 19 mg/L all year
602Solids, total suspendedDAILY MX <= 1.49 kg/d all year
602Oil and grease [soxhlet extr.] tot.DAILY MX <= 29 mg/L all year
602Oil and grease [soxhlet extr.] tot.DAILY MX <= 2.27 kg/d all year
602Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only Mar, Jun, Sep, Dec
602Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only Mar, Jun, Sep, Dec
602Flow, in conduit or thru treatment plantMO AVG report only all year
602Flow, in conduit or thru treatment plantDAILY 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