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Water Supply — NPDES discharge permits in North Dakota

Of the 8 permits in EPA's SIC 4941 in ND, 2 went over a limit between 2025-10-01 and 2026-09-30 (Oxygen, dissolved [DO]: 1; Solids, total suspended: 1). 0 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.

FacilityLast 12 monthsPermit
East Central Regional WD-GF
ND0026018 · Water Supply
Over a limit 4×: Oxygen, dissolved [DO] (4×)Expires Mar 31, 2031
Valley City Membrane WTP
ND0026395 · Water Supply
Over a limit 1×: Solids, total suspended (1×)Expires Jun 30, 2031
Garrison Diversion Conservancy District
ND0026964 · Water Supply
No value over a limitExpires Jun 30, 2031
Grand Forks City Of
ND0026760 · Water Supply
No value over a limit; 1 required values not reportedRenewal application due Jan 1, 2027
Michael Mart
ND0027093 · Water Supply
No value over a limitExpires Jun 30, 2031
Perry Grammond
ND0026387 · Water Supply
No value over a limitExpires Mar 31, 2031
South Central Regional Water District
ND0026301 · Water Supply
No value over a limitExpires Dec 31, 2030
South Central Regional Water District
ND0026344 · Water Supply
No value over a limitExpires Mar 31, 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=ND&sic=4941, 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