TIB ZINC CHEMICALS LLC

NPDES permit TX0046906 · Minor NON-POTW · effective, expires 2031-01-12 · 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)
2of 22 forms filed late

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

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 (26)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
001BOD, 5-day, 20 deg. CDAILY AV <= 14.6 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 29.2 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 10 SU all year
001Solids, total suspendedDAILY AV <= 29.2 lb/d all year
001Solids, total suspendedDAILY MX <= 51.1 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Arsenic, total [as As]DAILY AV <= .15 lb/d all year
001Arsenic, total [as As]DAILY MX <= .29 lb/d all year
001Cadmium, total [as Cd]DAILY AV <= .15 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .29 lb/d all year
001Lead, total [as Pb]DAILY AV <= .07 lb/d all year
001Lead, total [as Pb]DAILY MX <= .26 lb/d all year
001Zinc, total [as Zn]DAILY AV <= 1.1 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 2.9 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .27 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .383 MGD all year
001EnterococciDAILY AV report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
002Zinc, total [as Zn]DAILY MX <= 3.5 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, 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