Passage Data · Check a report · Use it from your AI

U.S. Army Corps of Engineers - Baltimore District Washington Aqueduct

Industrial or other facility, Washington, Maryland. NPDES permit MD0068161, in force until Aug 31, 2031. No reports in EPA's file for the last 12 months. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 501 form A quarterly, outfall 502 form A quarterly

Last report on file

None in EPA's file for the last 12 months; that may be EPA's gap, not the facility's

Limits in force (30)

How strict are these limits?

• Solids, total suspended, maximum monthly average 20 mg/L — stricter than 72% of 99 other minor industrial and other permits in Maryland; 18% have the same limit
• Chlorine, total residual, daily maximum .019 mg/L — stricter than 72% of 37 other minor industrial and other permits in Maryland; 22% have the same limit
• Solids, total suspended, daily maximum 30 mg/L — stricter than 63% of 52 other minor industrial and other permits in Maryland; 35% have the same limit

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

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0068161 · MCP: https://passage-data.com/mcp