Decision Memo Completed

Wolf Creek Pipeline Replacement Project

White River National Forest Pitkin, Colorado West Zone/Sopris Ranger District

Rocky Mountain Natural Gas, LLC (RMNG) is requesting approval from the U.S. Forest Service (USFS) to replace an aging 3-inch natural gas pipeline with a new 10-inch natural gas pipeline in the Wolf Creek Storage Field in Pitkin County, CO.

Location

The project area is located approximately 10 miles to the southeast of Carbondale, in sections 23, 26, 35, and 36, T8S, R90W, and section 2, T9S, R90W; 6th Principal Meridian, Pitkin County.

Project timeline

1
Scoping Start
08/19/2025
2
Comment Period
08/19/2025
3
Decision
04/2026 (Estimated)
4
Implementation
06/2026 (Estimated)

NEPA / regulatory detail

Categorical ExclusionDoe B5.4 (10 Cfr 1021 Subpart D Appx B)
Special AuthorityNot Applicable / Other; Oil & Gas - Sec. 390, Energy Policy Act Of 2005 (Sec 390)
Notice and Comment RegulationNot Subject to Regulations
Project ActivitySpecial Use Authorizations; Natural Gas
Wolf Creek Pipeline Replacement ProjectDecision Signed Date: 04/22/2026
ForestsWhite River National Forest
DistrictsWest Zone/Sopris Ranger District
Legal Land DescriptionNot Applicable
Minerals and geology