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Wholesale Trade — Durable Goods — NPDES discharge permits in Texas

Of the 8 permits in EPA's SIC 50 in TX, 2 went over a limit between 2025-10-01 and 2026-09-30 (pH: 2; Nitrogen, ammonia total [as N]: 1; Solids, total suspended: 1). 1 is past the expiry date EPA's file holds; 3 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
DAIKIN COMFORT TECHNOLOGIES MANUFACTURING LP
TX0136239 · Warm Air Heating & Air-Conditioning
Over a limit 4×: pH (2×), Nitrogen, ammonia total [as N] (2×)Expires Mar 22, 2029
DIA-DEN LTD.
TX0122211 · Plumbing & Hydronic Heating Supplies
Over a limit 4×: Solids, total suspended (3×), pH (1×)Renewal application due Jan 13, 2028
ALLIED PETROCHEMICAL, LLC
TX0114995 · Scrap And Waste Materials
No value over a limitExpires Jan 2, 2029
BALLY REFRIGERATED BOXES INC
TX0117820 · Warm Air Heating & Air-Conditioning
No value over a limitPermit past the expiry date EPA's file holds
CEMEX CONSTRUCTION MATERIALS SOUTH LLC
TX0004022 · Brick, Stone, & Related Materials
No value over a limitRenewal application due Sep 5, 2027
DOWNSTREAM ENVIRONMENTAL LLC
TX0137031 · Scrap And Waste Materials
No value over a limitRenewal application due Apr 6, 2027
GULF SULPHUR SERVICES LTD, LLLP
TX0003867 · Coal And Other Minerals And Ores
No value over a limitExpires May 17, 2029
POWELL, JACKIE DIANE
TX0103578 · Motor Vehicle Parts, Used
No value over a limitExpires May 24, 2029

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=TX&sic=50, 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