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Natural Gas Transmission — NPDES discharge permits in Texas

Of the 6 permits in EPA's SIC 4922 in TX, 2 went over a limit between 2025-10-01 and 2026-09-30 (Carbon, tot organic [TOC]: 1; Copper, total [as Cu]: 1; pH: 1); 1 has no reports in EPA's file for that window. 2 are past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
GOLDEN PASS LNG TERMINAL LLC
TX0125067 · Natural Gas Transmission
Over a limit 5×: Carbon, tot organic [TOC] (4×), pH (1×)Expires Jan 25, 2029
FREEPORT LNG DEVELOPMENT LP
TX0127566 · Natural Gas Transmission
Over a limit 2×: Zinc, total [as Zn] (1×), Copper, total [as Cu] (1×)Expires Feb 28, 2029
ENTERPRISE PRODUCTS OPERATING LLC
TX0134081 · Natural Gas Transmission
No reports in EPA's file for the windowPermit past the expiry date EPA's file holds
ET GATHERING & PROCESSING LLC
TX0133998 · Natural Gas Transmission
No value over a limitExpires Jun 12, 2031
PORT ARTHUR LNG, LLC.
TX0134088 · Natural Gas Transmission
No value over a limitPermit past the expiry date EPA's file holds
TEXAS EASTERN TRANSMISSION LP
TX0144924 · Natural Gas Transmission
No value over a limitExpires Apr 16, 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=4922, 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