Sterling Specialty Chemicals, US, LLC

NPDES permit AL0002747 · Minor NON-POTW · effective, expires 2028-01-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 4 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (22)

OutfallParameterStatisticLimitMonths
005pHDAILY MN report only all year
005pHDAILY MX report only all year
005Solids, total suspendedDAILY MX report only all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Sulfate, total [as SO4]DAILY MX report only all year
005Lead, total [as Pb]DAILY MX report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Aluminum, total [as Al]DAILY MX report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Solids, total dissolved [TDS]DAILY MX report only all year
005Chemical Oxygen Demand [COD]DAILY MX report only all year
009pHDAILY MN report only all year
009pHDAILY MX report only all year
009Solids, total suspendedDAILY MX report only all year
009Oil & GreaseDAILY MX <= 15 mg/L all year
009Sulfate, total [as SO4]DAILY MX report only all year
009Lead, total [as Pb]DAILY MX report only all year
009Zinc, total [as Zn]DAILY MX report only all year
009Aluminum, total [as Al]DAILY MX report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Solids, total dissolved [TDS]DAILY MX report only all year
009Chemical 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