Southern Star Central Gas Pipeline, Inc. Weekly Environmental Report

Strategic Insights -

Southern Star Central Gas Pipeline, Inc. submitted a report to the Federal Energy Regulatory Commission detailing environmental activities and issues at the Nash Compressor Station in Grant County, Oklahoma. The report covers the period from July 27 to August 2, 2025. During this time, contractors completed various activities, including preassembling 1-inch threaded piping for fuel gas headers, excavating a ditch for a water line, and welding 2-inch piping. The report also includes details on weather conditions, construction activity, and environmental compliance issues.

Key Takeaways:

  • Contractors completed preassembling 1-inch threaded piping for fuel gas headers on July 28, 2025.
  • The ditch for the water line was excavated and 1-inch poly water line was placed in the ditch with minimal cover on July 29, 2025.
  • Welding of 2-inch piping was completed on August 1 and 2, 2025.
  • No environmental problems/issues or corrective actions were taken during the reporting period.
  • No environmental compliance issues/resolutions or landowner concerns were identified.
  • Photo logs were taken to document construction activity and environmental conditions, including the installation of silt fence and cleaning of hydrovac spoil pit.

Statistics:

  • 100 feet of silt fence was installed around the subsoil stockpile south of the lube oil tank site on August 1, 2025.
  • 15-feet (5 bales) of straw was replaced and the ECD perimeter was moved out to stable soil on August 1, 2025.
  • The following activities occurred:

+ No construction activity on July 27, 2025.

+ Preassembled 1-inch threaded piping for fuel gas headers on July 28, 2025.

+ Broke down actuator shipping crates and disposing materials, received 1-inch poly pipe for water line, excavated ditch for water line, and 1-inch poly water line placed in ditch with minimal cover on July 29, 2025.

+ Verified poly pipe grade is suitable for potable water use, contractor welder on site, continued shooting in coordinates for piping routes, cut out rebar along control joints concrete slab, and verified actuator serial numbers installation locations on July 30, 2025.

+ Continued tying rebar and boxing out for door openings and building anchor bolt locations, installed tracer wire, backfilled, and compacted north/south section of ditch for water line on July 31, 2025.

+ Welded up randoms on 2-inch FBE gas and air piping on July 31, 2025.

+ Welded 2-inch piping, received 2 air compressors for auxiliary building, covered crated compressors with tarps, and transferred subsoil from northwest stockpile to stockpile site south of lube oil tank pad on August 1, 2025.

+ Welded 2-inch piping and redressed gravel across site on August 2, 2025.

Sources:

  • Southern Star Central Gas Pipeline, Inc. (2025). Weekly Environmental Report No. 10.
  • Federal Energy Regulatory Commission. (2025). Southern Star Central Gas Pipeline, Inc. Docket No. CP25-148.