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Of the 18 permits in EPA's SIC 4941 in MD, 6 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 5; Aluminum, total recoverable: 3; Chlorine, total residual: 2). 4 are past the expiry date EPA's file holds; 1 has 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 |
|---|---|---|
| POTOMAC RIVER W.R.F. MD0051586 · Water Supply | Over a limit 119×: Aluminum, total recoverable (44×), Solids, total suspended (44×), Iron, total [as Fe] (19×) | Expires Nov 30, 2030 |
| TOWN OF GRANTSVILLE MD0063274 · Water Supply | Over a limit 20×: pH (8×), Iron, total [as Fe] (7×), Chlorine, total residual (5×) | Expires Feb 28, 2029 |
| Carroll County Government Bureau of Utilities MD0067652 · Water Supply | Over a limit 7×: Solids, total suspended (6×), Aluminum, total recoverable (1×) | Expires Feb 28, 2030 |
| MONTEBELLO W.T.P. MD0003042 · Water Supply | Over a limit 4×: Solids, total suspended (3×), Chlorine, total residual (1×) | Permit past the expiry date EPA's file holds |
| NEW DESIGN ROAD W.T.P. MD0061841 · Water Supply | Over a limit 3×: Oxygen, dissolved [DO] (1×), Aluminum, total recoverable (1×), Solids, total suspended (1×) | Expires Nov 30, 2030 |
| Washington County Department of Water Quality MD0067784 · Water Supply | Over a limit 2×: Solids, total suspended (2×) | Renewal application due Apr 3, 2027 |
| CITY OF HAGERSTOWN WATER DEPT. MD0003484 · Water Supply | No value over a limit | Expires Mar 31, 2029 |
| CITY OF HAVRE DE GRACE WTP MD0069710 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| CRANBERRY WATER TREATMENT PLT. MD0067644 · Water Supply | No value over a limit | Expires Oct 31, 2029 |
| City of Baltimore Department of Public Works MD0003034 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| City of Frostburg MD0063487 · Water Supply | No value over a limit | Expires May 31, 2030 |
| City of Hagerstown Water Department MD0067741 · Water Supply | No value over a limit | Expires Feb 28, 2030 |
| ELK RIDGE WTP MD0067962 · Water Supply | No value over a limit | Expires Feb 28, 2030 |
| MIDLOTHIAN WATER COMPANY MD0066958 · Water Supply | No value over a limit | Expires Oct 31, 2029 |
| TOWN OF CLEAR SPRING WTF MD0069132 · Water Supply | No value over a limit | Expires Feb 28, 2030 |
| Town of Emmitsburg MD0062391 · Water Supply | No value over a limit | Expires Sep 30, 2031 |
| Town of Vienna MD0059471 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Worcester County Department of Public Works, Water/Wastewater Division MD0066923 · Water Supply | No value over a limit | Expires Sep 30, 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=4941, 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