NLMK PA LLC

NPDES permit PA0223034 · Major NON-POTW · expired, expires 2022-12-31 · 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.

This permit expired on 2022-12-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-06-30. Most often over: Iron, total [as Fe] (1), Oil & Grease (1).

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 (36)

OutfallParameterStatisticLimitMonths
004Temperature, water deg. fahrenheitDAILY AV report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Oil & GreaseMO AVG <= 15 mg/L all year
004Oil & GreaseINST MAX <= 30 mg/L all year
004Iron, total [as Fe]DAILY MX <= 4 mg/L all year
004Iron, total [as Fe]MO AVG <= 435 lb/d all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
104Solids, total suspendedMO AVG report only all year
104Solids, total suspendedDAILY MX report only all year
104Solids, total suspendedMO AVG <= 193 lb/d all year
104Solids, total suspendedDAILY MX <= 451 lb/d all year
104Oil & GreaseMO AVG <= 15 mg/L all year
104Oil & GreaseINST MAX <= 30 mg/L all year
104Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
104Iron, total [as Fe]DAILY MX <= 3 mg/L all year
104Lead, total [as Pb]MO AVG report only all year
104Lead, total [as Pb]DAILY MX report only all year
104Lead, total [as Pb]MO AVG <= 1 lb/d all year
104Lead, total [as Pb]DAILY MX <= 2.9 lb/d all year
104Zinc, total [as Zn]MO AVG report only all year
104Zinc, total [as Zn]DAILY MX report only all year
104Zinc, total [as Zn]MO AVG <= 1.3 lb/d all year
104Zinc, total [as Zn]DAILY MX <= 3.9 lb/d 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
504Solids, total suspendedMO AVG report only all year
504Solids, total suspendedDAILY MX report only all year
504Solids, total suspendedMO AVG <= 1761 lb/d all year
504Solids, total suspendedDAILY MX <= 4700 lb/d all year
504Oil & GreaseMO AVG report only all year
504Oil & GreaseDAILY MX report only all year
504Oil & GreaseDAILY MX <= 1178 lb/d all year
504Iron, total [as Fe]MO AVG report only all year
504Flow, in conduit or thru treatment plantMO AVG report only all year
504Flow, 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