ATI SPECIALTY MATERIALS LLC

NPDES permit PA0096059 · Minor NON-POTW · effective, expires 2031-01-31 · 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)
8of 22 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 (31)

OutfallParameterStatisticLimitMonths
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseDAILY MX report only all year
002Nitrogen, total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Iron, total [as Fe]DAILY MX report only all year
002Lead, total [as Pb]DAILY MX report only all year
002Zinc, total [as Zn]DAILY MX report only all year
002Aluminum, total [as Al]DAILY MX report only all year
102Temperature, water deg. fahrenheitINST MAX <= 110 deg F all year
102pHINST MIN >= 6 SU all year
102pHINST MAX <= 9 SU all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
102Chlorine, total residualMO AVG <= .5 mg/L all year
102Chlorine, total residualDAILY MX <= 1 mg/L all year
102Perfluorooctanoic acid (PFOA)DAILY MX report only all year
102PerfluorooctanesulfonateDAILY MX report only all year
102Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
102Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
103Temperature, water deg. fahrenheitINST MAX <= 110 deg F all year
103pHINST MIN >= 6 SU all year
103pHINST MAX <= 9 SU all year
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX report only all year
103Chlorine, total residualMO AVG <= .5 mg/L all year
103Chlorine, total residualDAILY MX <= 1 mg/L all year
103Perfluorooctanoic acid (PFOA)DAILY MX report only all year
103PerfluorooctanesulfonateDAILY MX report only all year
103Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
103Hexafluoropropylene oxide dimer acid (HFPO-DA)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