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Horsehead Dev Co Inc

Industrial or other facility, Palmerton, Pennsylvania. NPDES permit PA0064378 expired Jun 30, 2016; its limits still apply. Last 12 months: over a limit 6 times (last June 2026), 38 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 004 form A monthly (14 values), outfall 005 form A monthly (14 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 10 required values missing, 2 of 24 reports late

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

Period endingOutfallParameterReportedLimitOver by
November 2025005pH, maximum9.25 SU≤ 9 SU—
December 2025004Solids, total suspended, daily maximum32 mg/L≤ 30 mg/L7%
December 2025004pH, minimum4.43 SU≥ 6 SU—
March 2026004Cadmium, total [as Cd], monthly average.15 mg/L≤ .1 mg/L50%
March 2026004Zinc, total [as Zn], monthly average1.4 mg/L≤ 1.2 mg/L17%
June 2026004Zinc, total [as Zn], monthly average2.2 mg/L≤ 1.2 mg/L83%

Limits in force (28)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year004
pHmaximum≤ 9 SUall year004
Solids, total suspendedmonthly average≤ 20 mg/Lall year004
Solids, total suspendeddaily maximum≤ 30 mg/Lall year004
Oil & Greasemonthly average≤ 15 mg/Lall year004
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year004
Cadmium, total [as Cd]monthly average≤ .1 mg/Lall year004
Cadmium, total [as Cd]daily maximum≤ .2 mg/Lall year004
Lead, total [as Pb]monthly average≤ .35 mg/Lall year004
Lead, total [as Pb]daily maximum≤ .7 mg/Lall year004
Zinc, total [as Zn]monthly average≤ 1.2 mg/Lall year004
Zinc, total [as Zn]daily maximum≤ 2.4 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
pHminimum≥ 6 SUall year005
pHmaximum≤ 9 SUall year005
Solids, total suspendedmonthly averagereport only (mg/L)all year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Oil & Greasemonthly averagereport only (mg/L)all year005
Oil & Greaseinstantaneous maximumreport only (mg/L)all year005
Cadmium, total [as Cd]monthly averagereport only (mg/L)all year005
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year005
Lead, total [as Pb]monthly averagereport only (mg/L)all year005
Lead, total [as Pb]daily maximumreport only (mg/L)all year005
Zinc, total [as Zn]monthly averagereport only (mg/L)all year005
Zinc, total [as Zn]daily maximumreport only (mg/L)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005

How strict are these limits?

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

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0064378 · MCP: https://passage-data.com/mcp