Nouryon Surface Chemistry LLC

NPDES permit TN0002798 · Minor NON-POTW · effective, expires 2029-02-28 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among TN permits in EPA's filings — check your permit).

Limits in force (17)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU 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
001IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM > 4.6 % Dec
001IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM > 4.6 % Dec
SW1pHMINIMUM report only all year
SW1pHMAXIMUM report only all year
SW1Solids, total suspendedDAILY MX report only all year
SW1Nitrogen, total [as N]DAILY MX report only all year
SW1Nitrogen, total [as N]DAILY MX report only all year
SW1Phosphorus, total [as P]DAILY MX report only all year
SW1Oil and greaseDAILY MX report only all year
SW1Flow, in conduit or thru treatment plantDAILY MX report only all year
SW1Chemical Oxygen Demand [COD]DAILY MX report only all year
SW1Chemical Oxygen Demand [COD]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