ALLEGHENY & TSINGSHAN STAINLESS LLC

NPDES permit PA0005754 · Major NON-POTW · effective, expires 2029-01-31 · 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 44 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (61)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedDAILY MX <= 100 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
003pHDAILY MN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
004pHDAILY MN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedDAILY MX report only all year
004Oil & GreaseMO AVG <= 15 mg/L all year
004Oil & GreaseDAILY MX <= 30 mg/L all year
004Nitrogen, total [as N]DAILY MX report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Copper, total [as Cu]DAILY MX report only all year
004Iron, total [as Fe]DAILY MX report only all year
004Lead, total [as Pb]DAILY MX report only all year
004Zinc, total [as Zn]DAILY MX report only all year
004Aluminum, total [as Al]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualMO AVG <= .5 mg/L all year
004Chlorine, total residualINST MAX <= 1.17 mg/L all year
006Solids, total suspendedDAILY MX report only all year
006Oil & GreaseDAILY MX report only all year
006Nitrogen, total [as N]DAILY MX report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006Copper, total [as Cu]DAILY MX report only all year
006Iron, total [as Fe]DAILY MX report only all year
006Lead, total [as Pb]DAILY MX report only all year
006Zinc, total [as Zn]DAILY MX report only all year
006Aluminum, total [as Al]DAILY MX report only all year
104pHDAILY MN >= 6 SU all year
104pHINST MAX <= 9 SU all year
104Solids, total suspendedMO AVG <= 30 mg/L all year
104Solids, total suspendedDAILY MX <= 60 mg/L all year
104Solids, total suspendedMO AVG <= 420 lb/d all year
104Solids, total suspendedDAILY MX <= 980 lb/d all year
104Oil & GreaseMO AVG <= 10 mg/L all year
104Oil & GreaseMO AVG <= 140 lb/d all year
104Oil & GreaseDAILY MX <= 420 lb/d all year
104Chromium, total [as Cr]MO AVG <= .4 mg/L all year
104Chromium, total [as Cr]DAILY MX <= 1 mg/L all year
104Chromium, total [as Cr]MO AVG <= 5.5 lb/d all year
104Chromium, total [as Cr]DAILY MX <= 14 lb/d all year
104Nickel, total [as Ni]MO AVG <= .3 mg/L all year
104Nickel, total [as Ni]DAILY MX <= .9 mg/L all year
104Nickel, total [as Ni]MO AVG <= 4 lb/d all year
104Nickel, total [as Ni]DAILY MX <= 13 lb/d all year
104TetrachloroethyleneDAILY MX <= .15 mg/L all year
104TetrachloroethyleneDAILY MX <= .0139 lb/d all year
104NaphthaleneDAILY MX <= .1 mg/L all year
104NaphthaleneDAILY MX <= .019 lb/d all year
104HexachlorobutadieneMO AVG <= .01 mg/L all year
104HexachlorobutadieneDAILY MX <= .016 mg/L all year
104Flow, in conduit or thru treatment plantMO AVG report only all year
104Flow, 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