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Natural Gas Transmission — NPDES discharge permits in Ohio

Of the 5 permits in EPA's SIC 4922 in OH, 0 went over a limit between 2025-10-01 and 2026-09-30. 0 are past the expiry date EPA's file holds; 1 has a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
ANR Pipeline Company - Defiance Compressor Station
OH0079294 · Natural Gas Transmission
No value over a limitExpires Sep 30, 2030
Columbia Gas Transmission
OH0142671 · Natural Gas Transmission
No value over a limitRenewal application due Apr 3, 2027
Columbia Gas Transmission - Weaver Compressor
OH0005916 · Natural Gas Transmission
No value over a limitExpires Jan 31, 2031
Columbia Gas Transmission Corp
OH0123722 · Natural Gas Transmission
No value over a limitExpires Dec 31, 2028
Texas Gas Lebanon 44420
OH0147699 · Natural Gas Transmission
No value over a limit; 6 required values not reportedExpires Apr 30, 2031

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=OH&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