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National Security and International Affairs — NPDES discharge permits in Indiana

Of the 3 permits in EPA's SIC 97 in IN, 2 went over a limit between 2025-10-01 and 2026-09-30 (E. coli, colony forming units [CFU]: 1; Nitrogen, ammonia total [as N]: 1; Silver total recoverable: 1). 0 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
CRANE DIVISION, NAVAL SURFACE WARFARE CENTER
IN0021539 · major · National Security
Over a limit 6×: Silver total recoverable (3×), Solids, total suspended (2×), E. coli, colony forming units [CFU] (1×)Renewal application due Apr 3, 2027
FORD LUMBER AND BUILDING SUPPLY
IN0024210 · National Security
Over a limit 1×: Nitrogen, ammonia total [as N] (1×)Renewal application due Sep 2, 2027
Naval Surface Warfare Center Crane Division
INRM01211 · National Security
No value over a limitExpires Aug 8, 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=IN&sic=97, 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