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Water Supply — NPDES discharge permits in Minnesota

Of the 8 permits in EPA's SIC 4941 in MN, 0 went over a limit between 2025-10-01 and 2026-09-30. 3 are 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
Lincoln Pipestone Rural Water System
MN0064351 · Water Supply
No value over a limitRenewal application due Feb 2, 2028
Little Falls city of
MN0003182 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
Minneapolis city of
MN0003247 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
Prior Lake-Spring Lake Watershed District
MN0067377 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
Richfield city of
MN0070173 · Water Supply
No value over a limit; 16 required values not reportedExpires Jun 30, 2031
Robbinsdale city of
MN0069957 · Water Supply
No value over a limitExpires Mar 31, 2031
Saint Anthony city of
MN0071803 · Water Supply
No value over a limit; 9 required values not reportedExpires Apr 30, 2031
Woodbury city of
MN0071749 · major · Water Supply
No value over a limitRenewal application due Feb 2, 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=MN&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