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U.S. Army Garrison A.P.G.

Federal facility (National Security), Harford County, Maryland. NPDES permit MD0003565, in force until Mar 31, 2028. Last 12 months: over a limit 3 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 005 form A monthly (7 values), outfall 006 form A monthly (7 values), outfall 013 form A monthly (10 values), outfall 014 form A monthly (4 values)

Renewal application due

Oct 3, 2027 · 180 days before expiry; your permit may set another date

Last report on file

August 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 5 of 48 reports late

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

Limits in force (28)

How strict are these limits?

• pH, maximum 8.5 SU — stricter than 84% of 201 other minor federal facilities nationwide; 14% have the same limit
• pH, minimum at least 6.5 SU — stricter than 67% of 208 other minor federal facilities nationwide; 31% have the same limit
• Chlorine, total residual, daily maximum .1 mg/L — stricter than 31% of 64 other minor federal facilities nationwide; 13% have the same limit

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

Same industry: the 8 National Security and International Affairs permits in Maryland.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0003565 · MCP: https://passage-data.com/mcp