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Federal facility (National Security), Chambersburg, Pennsylvania. NPDES permit PA0246891, in force until May 31, 2030. Last 12 months: no values over a limit, 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 006 |
| pH | daily maximum | report only (SU) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 006 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 006 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | all year | 006 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 006 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 006 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 006 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 006 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 006 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 006 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 006 |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | all year | 006 |
| 2,4-Dinitrotoluene | daily maximum | report only (mg/L) | all year | 006 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 006 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 006 |
| 4-Amino-2,6-dinitrotoluene | daily maximum | report only (mg/L) | all year | 006 |
| 2-Amino-4,6-dinitrotoluene | daily maximum | report only (mg/L) | all year | 006 |
| RDX, total | daily maximum | report only (mg/L) | all year | 006 |
| HMX | daily maximum | report only (mg/L) | all year | 006 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 007 |
| pH | daily maximum | report only (SU) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 007 |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 007 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 007 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 007 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | all year | 007 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 007 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 007 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 007 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 007 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 007 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 007 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 007 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 007 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 007 |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | all year | 007 |
| 2,4-Dinitrotoluene | daily maximum | report only (mg/L) | all year | 007 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 007 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 007 |
| 4-Amino-2,6-dinitrotoluene | daily maximum | report only (mg/L) | all year | 007 |
| 2-Amino-4,6-dinitrotoluene | daily maximum | report only (mg/L) | all year | 007 |
| RDX, total | daily maximum | report only (mg/L) | all year | 007 |
| HMX | daily maximum | report only (mg/L) | all year | 007 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 4 National Security and International Affairs permits in Pennsylvania.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/PA0246891 · MCP: https://passage-data.com/mcp