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

Of the 7 permits in EPA's SIC 32 in OK, 3 went over a limit between 2025-10-01 and 2026-09-30 (pH: 2; Chloride [as Cl]: 1). 0 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
Acme Brick Co-OKC Plant
OK0038253 · Brick And Structural Clay Tile
Over a limit 1×: pH (1×)Renewal application overdue
Central Plains Cement Co
OK0040789 · Cement, Hydraulic
Over a limit 1×: Chloride [as Cl] (1×)Renewal application due Aug 4, 2027
United States Gypsum Co.
OK0038806 · Gypsum Products
Over a limit 1×: pH (1×)Expires Feb 28, 2030
Amrize Cement Inc.
OK0001180 · Cement, Hydraulic
No value over a limitRenewal application due Feb 2, 2028
Ardagh Glass Inc.
OK0044474 · Glass Containers
No value over a limitRenewal application due Aug 4, 2027
Owens-Brockway Glass Container
OK0043451 · Glass Containers
No value over a limitRenewal application due Mar 4, 2027
Pryor Sand & Redimix, Inc.
OK0045446 · Ready-Mixed Concrete
No value over a limitRenewal application due Mar 4, 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=OK&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