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Motor Freight Transportation and Warehousing — NPDES discharge permits in Maryland

Of the 5 permits in EPA's SIC 42 in MD, 1 went over a limit between 2025-10-01 and 2026-09-30 (E. coli: 1; Nitrogen, ammonia total [as N]: 1). 1 is past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
BTR HAMPSTEAD,LLC.
MD0001881 · General Warehousing And Storage
Over a limit 11×: Nitrogen, ammonia total [as N] (10×), E. coli (1×)Expires Aug 31, 2030
BLUEKNIGHT ENERGY PARTNERS
MD0064556 · Special Warehousing And Storage
No value over a limitExpires Apr 1, 2030
CENTER POINT TERMINAL COMPANY,LLC
MD0024716 · Special Warehousing And Storage
No value over a limitPermit past the expiry date EPA's file holds
JOHN W.RITTER TRUCKING,INC.
MD0068713 · Local Trucking, Without Storage
No value over a limit; 24 required values not reportedExpires Mar 31, 2030
Sunoco, LLC
MD0062278 · Special Warehousing And Storage
No value over a limitExpires Apr 1, 2030

The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.

For programs and AI agents: this screen as JSON at /api/v1/permits?state=MD&sic=42, narrowed with &over_limit=true, &parameter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states