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Transportation Equipment — NPDES discharge permits in Maine

Of the 4 permits in EPA's SIC 37 in ME, 0 went over a limit between 2025-10-01 and 2026-09-30. 1 is past the expiry date EPA's file holds; 2 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
BATH IRON WORKS CORPORATION
ME0001732 · Ship Building And Repairing
No value over a limitRenewal application overdue
PORTSMOUTH NAVAL SHIPYARD
ME0000868 · Ship Building And Repairing
No value over a limitRenewal application due Dec 2, 2026
RTX CORPORATION
ME0022861 · Aircraft Engines And Engine Parts
No value over a limitExpires Jul 31, 2029
SEAL COVE BOAT YARD, INC.
MEG170006 · Boat Building And Repairing
No value over a limitPermit past the expiry date EPA's file holds

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=ME&sic=37, 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