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Stone, Clay, Glass and Concrete Products — NPDES discharge permits in Missouri

Of the 11 permits in EPA's SIC 32 in MO, 2 went over a limit between 2025-10-01 and 2026-09-30 (E. coli: 1; Nitrogen, ammonia total [as N]: 1; Solids, total suspended: 1). 5 are past the expiry date EPA's file holds; 4 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
Buzzi Unicem USA
MO0000809 · major · Cement, Hydraulic
Over a limit 4×: Solids, total suspended (2×), Nitrogen, ammonia total [as N] (2×)Permit past the expiry date EPA's file holds
Continental Cement Company, L.L.C.
MO0111686 · Cement, Hydraulic
Over a limit 1×: E. coli (1×)Permit past the expiry date EPA's file holds
AMRIZE CEMENT INC
MO0129518 · major · Cement, Hydraulic
No value over a limitRenewal application due Oct 3, 2027
AMRIZE CEMENT INC.
MO0000159 · Cement, Hydraulic
No value over a limitRenewal application due Oct 3, 2027
Ardagh Glass Inc.
MO0100455 · Glass Containers
No value over a limitRenewal application due Jul 4, 2027
Audubon Materials LLC
MO0002666 · Cement, Hydraulic
No value over a limitPermit past the expiry date EPA's file holds
Harbison-Walker Refractories Company
MO0000710 · Clay Refractories
No value over a limitPermit past the expiry date EPA's file holds
Mississippi Lime Company
MO0106852 · major · Lime
No value over a limitRenewal application due Apr 3, 2027
Owens-Pittsburgh Corning, LLC
MO0002593 · Nonmetallic Mineral Products
No value over a limit; 24 required values not reportedExpires Aug 31, 2031
RIVER CEMENT COMPANY
MO0000035 · Cement, Hydraulic
No value over a limitExpires Dec 31, 2028
Warco Manufacturing Company
MO0110086 · Porcelain Electrical Supplies
No value over a limit; 1 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=MO&sic=32, 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