TENARIS USA

NPDES permit PA0006335 · Major NON-POTW · effective, expires 2027-01-31 · 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

4values over a limit
0required values missing, on 0 form(s)
0of 20 forms filed late

Last period with anything received: 2026-06-30. Most often over: Oil & Grease (4).

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 (54)

OutfallParameterStatisticLimitMonths
001Solids, total suspendedDAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
002Oxygen demand, chem. [high level] [COD]QRTR AVG report only all year
002Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedQRTR AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Oil & GreaseQRTR AVG <= 15 mg/L all year
002Oil & GreaseDAILY MX <= 30 mg/L all year
002Copper, total [as Cu]QRTR AVG report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Iron, total [as Fe]QRTR AVG report only all year
002Iron, total [as Fe]DAILY MX <= 7 mg/L all year
002Lead, total [as Pb]QRTR AVG report only all year
002Lead, total [as Pb]DAILY MX report only all year
002Zinc, total [as Zn]QRTR AVG report only all year
002Zinc, total [as Zn]DAILY MX report only all year
002Aluminum, total [as Al]QRTR AVG report only all year
002Aluminum, total [as Al]DAILY MX report only all year
003Oxygen demand, chem. [high level] [COD]QRTR AVG report only all year
003Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedQRTR AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil & GreaseQRTR AVG <= 15 mg/L all year
003Oil & GreaseDAILY MX <= 30 mg/L all year
003Copper, total [as Cu]QRTR AVG report only all year
003Copper, total [as Cu]DAILY MX report only all year
003Iron, total [as Fe]QRTR AVG report only all year
003Iron, total [as Fe]DAILY MX <= 7 mg/L all year
003Lead, total [as Pb]QRTR AVG report only all year
003Lead, total [as Pb]DAILY MX report only all year
003Zinc, total [as Zn]QRTR AVG report only all year
003Zinc, total [as Zn]DAILY MX report only all year
003Aluminum, total [as Al]QRTR AVG report only all year
003Aluminum, total [as Al]DAILY MX report only all year
101pHINST MIN >= 6 SU all year
101pHINST MAX <= 9 SU all year
101Solids, total suspendedMO AVG <= 15 mg/L all year
101Solids, total suspendedDAILY MX <= 40 mg/L all year
101Solids, total suspendedMO AVG <= 186.48 lb/d all year
101Solids, total suspendedDAILY MX <= 539.92 lb/d all year
101Oil & GreaseDAILY MX <= 10 mg/L all year
101Oil & GreaseDAILY MX <= 134.98 lb/d all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualMO AVG <= .5 mg/L all year
101Chlorine, total residualDAILY MX <= 1 mg/L 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