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Of the 8 permits in EPA's SIC 4911 in MD, 1 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 1). 0 are past the expiry date EPA's file holds; 4 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
All Maryland permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| GenOn Chalk Point, LLC MD0002658 · major · Electric Services | Over a limit 2×: Solids, total suspended (2×) | Expires Feb 28, 2030 |
| AES WARRIOR RUN, INCORPORATED MD0066079 · Electric Services | No value over a limit | Expires Mar 31, 2030 |
| BROOKFIELD RENEWABLE POWER, PINEY and DEEP CREEK, LLC MD0059064 · Electric Services | No value over a limit | Renewal application overdue |
| CALVERT CLIFFS NUC. POWER PLANT, LLC MD0002399 · major · Electric Services | No value over a limit | Renewal application due May 4, 2027 |
| CONSTELLATION ENERGY GENERATION, LLC MD0002518 · major · Electric Services | No value over a limit | Renewal application overdue |
| EASTON UTILITIES COMMISSION MD0022772 · Electric Services | No value over a limit | Renewal application due Jan 1, 2027 |
| GenOn - Mid-Atlantic, LLC (MORGANTOWN STATION) MD0002674 · major · Electric Services | No value over a limit | Expires Oct 31, 2030 |
| VIENNA POWER LLC MD0000094 · major · Electric Services | No value over a limit | Expires Mar 31, 2029 |
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=4911, narrowed with &over_limit=true, ¶meter=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