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Gen Dynamics Ordnance & Tactical Sys Inc

Ammunition, Except For Small Arms, Scranton, Pennsylvania. NPDES permit PA0013650, in force until Oct 31, 2030. Last 12 months: over a limit 4 times (last May 2026), 10 required values missing. Source: EPA ECHO, Oct 22, 2026.

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

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

Period endingParameterReportedLimit
November 2025pH, instantaneous minimum5.9 SU≥ 6 SU
December 2025pH, instantaneous minimum5.9 SU≥ 6 SU
April 2026pH, instantaneous minimum5.5 SU≥ 6 SU
May 2026pH, instantaneous minimum5.6 SU≥ 6 SU

Limits in force (15)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year
Oil & Greasemonthly average≤ 15 mg/Lall year
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]daily maximumreport only (mg/L)all year
Aluminum, total [as Al]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Duration of dischargedaily maximumreport only (hr)all year

How strict are these limits?

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

Same industry: the 57 Fabricated Metal Products permits in Pennsylvania.

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/PA0013650 · MCP: https://passage-data.com/mcp