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

Of the 7 permits in EPA's SIC 32 in LA, 2 went over a limit between 2025-10-01 and 2026-09-30 (Coliform, fecal general: 1; Nitrogen, ammonia total [as N]: 1; pH: 1). 0 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
A&A STONEWORKS
LA0125661 · Cut Stone And Stone Products
Over a limit 10×: Solids, total suspended (5×), Coliform, fecal general (3×), Nitrogen, ammonia total [as N] (2×)Renewal application due Apr 3, 2028
SOUTHERN DISPOSAL & RECYCLING LLC
LA0119300 · Minerals, Ground Or Treated
Over a limit 3×: pH (3×)Renewal application due Oct 3, 2027
ARDAGH GLASS INC
LA0007650 · Glass Containers
No value over a limitExpires Apr 30, 2029
Arcosa LW BR LLC - Arcosa Lightweight
LA0090387 · Minerals, Ground Or Treated
No value over a limitExpires Jul 31, 2030
CARMEUSE LIME AND STONE, INC.
LA0068225 · Lime
No value over a limitRenewal application overdue
GNL CONTRACTORS LLC
LA0127142 · Cut Stone And Stone Products
No value over a limitRenewal application due Sep 1, 2027
INDUSTRIAL INSULATION GROUP LLC
LA0046281 · Nonmetallic Mineral Products
No value over a limit; 4 required values not reportedExpires Oct 14, 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=LA&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