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Discharge permits in District of Columbia

9 active individual NPDES permits with limits in EPA's file of Oct 22, 2026.

Sewage treatment plants (2)

• D.C. Wasa (Blue Plains) DC0021199 · major
• The Government of the District of Columbia-DDOE DC0000221 · major

Industrial and other (7)

• Bardon, Inc. DC0000175 · Ready-Mixed Concrete
• CMDT Naval Dist Wash DC DC0000141 · Facilities Support Services
• JFK Center for Performing Arts DC0000248 · Theatrical Producers And Services
• PEPCO Environment Management Services DC0000094 · major · Electric Services
• Wash Aqueduct-Dalecarlia Plant DC0000019 · major · Water Supply
• Washington Metropolitan Area T DC0000337 · Local And Suburban Transit
• World War II Memorial DC0000345 · Amusement Parks

Source: EPA ECHO, Oct 22, 2026. As JSON: /api/v1/permits?state=DC · MCP: https://passage-data.com/mcp · All states