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NLMK Pa LLC

Cold Finishing Of Steel Shapes, major discharger, Farrell, Pennsylvania. NPDES permit PA0223034 expired Dec 31, 2022; its limits still apply. Last 12 months: over a limit 2 times (last March 2026), 36 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 004 form A monthly (8 values), outfall 104 form A monthly (18 values), outfall 504 form A monthly (10 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingOutfallParameterReportedLimitOver by
March 2026104Iron, total [as Fe], monthly average< 1.56 mg/L≤ 1.5 mg/L4%
March 2026504Oil & Grease, daily maximum1248.2≤ 1178 lb/d6%

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year004
pHminimum≥ 6 SUall year004
pHmaximum≤ 9 SUall year004
Oil & Greasemonthly average≤ 15 mg/Lall year004
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year004
Iron, total [as Fe]monthly average≤ 435 lb/dall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Solids, total suspendedmonthly averagereport only (mg/L)all year104
Solids, total suspendeddaily maximumreport only (mg/L)all year104
Solids, total suspendedmonthly average≤ 193 lb/dall year104
Solids, total suspendeddaily maximum≤ 451 lb/dall year104
Oil & Greasemonthly average≤ 15 mg/Lall year104
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year104
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year104
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year104
Lead, total [as Pb]monthly averagereport only (mg/L)all year104
Lead, total [as Pb]daily maximumreport only (mg/L)all year104
Lead, total [as Pb]monthly average≤ 1 lb/dall year104
Lead, total [as Pb]daily maximum≤ 2.9 lb/dall year104
Zinc, total [as Zn]monthly averagereport only (mg/L)all year104
Zinc, total [as Zn]daily maximumreport only (mg/L)all year104
Zinc, total [as Zn]monthly average≤ 1.3 lb/dall year104
Zinc, total [as Zn]daily maximum≤ 3.9 lb/dall year104
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year104
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year104
Solids, total suspendedmonthly averagereport only (mg/L)all year504
Solids, total suspendeddaily maximumreport only (mg/L)all year504
Solids, total suspendedmonthly average≤ 1761 lb/dall year504
Solids, total suspendeddaily maximum≤ 4700 lb/dall year504
Oil & Greasemonthly averagereport only (mg/L)all year504
Oil & Greasedaily maximumreport only (mg/L)all year504
Oil & Greasedaily maximum≤ 1178 lb/dall year504
Iron, total [as Fe]monthly averagereport only (mg/L)all year504
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year504
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year504

How strict are these limits?

Cited limits by parameter: Pennsylvania's rules and the federal ones.

Same industry: the 85 Primary Metal Industries permits in Pennsylvania.

Check this month's numbers Email me before each report is due

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Your permit document is the final word. As JSON: /api/v1/permits/PA0223034 · MCP: https://passage-data.com/mcp