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Coal Mining — NPDES discharge permits in Maryland

Of the 3 permits in EPA's SIC 12 in MD, 1 went over a limit between 2025-10-01 and 2026-09-30 (Iron, total [as Fe]: 1; Manganese, total [as Mn]: 1); 1 has no reports in EPA's file for that window. 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
METTIKI COAL,LLC
MD0055182 · major · Bituminous Coal And Lignite - Surface
Over a limit 5×: Manganese, total [as Mn] (3×), Iron, total [as Fe] (2×)Permit past the expiry date EPA's file holds
BACKBONE MOUNTAIN,LLC.
MD0068811 · Bituminous Coal - Underground
No reports in EPA's file for the windowRenewal application overdue
Rosebud Mining Company
MD0070629 · major · Bituminous Coal - Underground
No value over a limitRenewal application due Mar 4, 2028

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=12, 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