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Mining and Quarrying of Nonmetallic Minerals — NPDES discharge permits in Illinois

Of the 24 permits in EPA's SIC 14 in IL, 2 went over a limit between 2025-10-01 and 2026-09-30 (BOD, carbonaceous [5 day, 20 C]: 1; Coliform, fecal general: 1; Nitrogen, ammonia total [as N]: 1). 8 are past the expiry date EPA's file holds; 6 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
HANSON AGGREGATE MIDWEST
IL0024155 · Crushed And Broken Limestone
Over a limit 9×: Coliform, fecal general (3×), Nitrogen, ammonia total [as N] (3×), BOD, carbonaceous [5 day, 20 C] (2×)Renewal application overdue
WEDRON SILICA COMPANY
IL0001759 · Industrial Sand
Over a limit 1×: Solids, total suspended (1×)Expires Nov 30, 2030
AMRIZE MID-AMERICA INC-JOLIET QUARRY
IL0061115 · Crushed And Broken Limestone
No value over a limitExpires Nov 30, 2030
CENTRAL LIMESTONE COMPANY INC
IL0065056 · Crushed And Broken Limestone
No value over a limit; 12 required values not reportedExpires Feb 28, 2031
CHICAGO STREET CCDD, LLC
IL0002313 · Crushed And Broken Limestone
No value over a limitExpires Aug 31, 2031
CONMAT
IL0078972 · Crushed And Broken Limestone
No value over a limitPermit past the expiry date EPA's file holds
CONMAT INC
IL0071561 · Crushed And Broken Limestone
No value over a limitPermit past the expiry date EPA's file holds
CORA TERMINAL LLC
IL0060674 · Crushed And Broken Limestone
No value over a limitExpires Jan 31, 2031
COVIA SPECIALTY MATERIALS INC
IL0064548 · Industrial Sand
No value over a limitExpires May 31, 2030
DAHL ENTERPRISES, INC.
IL0066036 · Miscellaneous Nonmetallic Minerals
No value over a limitExpires Apr 30, 2031
HASTIE LLC
IL0073385 · Chemical And Fertilizer Mining
No value over a limitExpires Apr 30, 2031
HUBER CARBONATES LLC
IL0061336 · Crushed And Broken Limestone
No value over a limitRenewal application due Apr 3, 2027
JOLIET MI, LLC
IL0077780 · Crushed And Broken Limestone
No value over a limitExpires Apr 30, 2031
KEYESPORT SAND AND GRAVEL, LLC
IL0063797 · Construction Sand And Gravel
No value over a limitRenewal application due Feb 1, 2027
KINCAID STONE COMPANY
IL0080119 · Crushed And Broken Limestone
No value over a limitPermit past the expiry date EPA's file holds
LONE STAR INDUSTRIES INC DBA BUZZI UNICEM USA
IL0080061 · Industrial Sand
No value over a limitExpires Jun 30, 2031
MARKMAN PEAT CORPORATION
IL0078298 · Miscellaneous Nonmetallic Minerals
No value over a limit; 72 required values not reportedPermit past the expiry date EPA's file holds
MISSISSIPPI LIME COMPANY
IL0068144 · Crushed And Broken Limestone
No value over a limitRenewal application due Feb 1, 2027
MOUNDS PRODUCTION COMPANY
IL0078964 · Clay And Related Minerals
No value over a limitPermit past the expiry date EPA's file holds
NORTHERN WHITE SAND, LLC
IL0080004 · Crushed And Broken Stone
No value over a limitPermit past the expiry date EPA's file holds
OZARK MAHONING COMPANY
IL0004260 · Chemical And Fertilizer Mining
No value over a limitPermit past the expiry date EPA's file holds
US SILICA COMPANY
IL0001325 · Industrial Sand
No value over a limitRenewal application due Apr 3, 2028
UTICA SILICA LLC
IL0080047 · Industrial Sand
No value over a limitRenewal application due Jul 4, 2027
VCNA PRAIRIE LLC
IL0075965 · Crushed And Broken Limestone
No value over a limitPermit 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=14, 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