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Heavy Construction — NPDES discharge permits in Illinois

Of the 3 permits in EPA's SIC 16 in IL, 0 went over a limit between 2025-10-01 and 2026-09-30. 1 is past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
MARSEILLES LAND AND WATER COMPANY
IL0080066 · Heavy Construction
No value over a limitExpires Aug 31, 2030
RA CULLINAN & SONS INC
IL0079014 · Heavy Construction
No value over a limitExpires Jan 31, 2031
STARK MATERIALS, INC
IL0078824 · Heavy Construction
No value over a limit; 7 required values not reportedPermit past the expiry date EPA's file holds

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=IL&sic=16, 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