Chattem Chemicals, Inc. (SUN-PHARMA)

NPDES permit TN0002780 · 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

23values over a limit
8required values missing, on 3 form(s)
5of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (22), Oxygen, dissolved [DO] (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (15)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX <= 25 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 2.4 mg/L all year
001Zinc, total [as Zn]MO AVG <= .05 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .3 mg/L all year
001Aluminum, total [as Al]DAILY MX report only all year
001Oil and greaseDAILY MX <= 10 mg/L 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
001Mercury, total [as Hg]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