Draft maps for HF Sinclair's proposed fuel pipeline expansion show a route running through Cherry Canyon and potentially under the Weber River into Silver Creek Estates and Glenwild.

The maps, attached to the Salt Lake City Council's Tuesday, Oct. 13, agenda, offer the first neighborhood-level look at where the expanded Pioneer Pipeline could run in Summit County. HF Sinclair, the Dallas-based company behind the project called Westline Connect, wants to boost the pipeline's capacity from 60,000 barrels per day to about 95,000. The Pioneer Pipeline carries gasoline from south-central Wyoming to North Salt Lake.

In Summit County, the draft route runs south of Interstate 80 through Cherry Canyon. It then appears to cross under the Weber River or Silver Creek into Silver Creek Estates and Glenwild, according to KPCW.

HF Sinclair Communications Director Leslie Ellis said the draft route "generally follows an existing utility corridor," which the company said would reduce environmental impacts. The company has not confirmed whether the maps are up-to-date or reflect its current preferred route. The final route has not been selected, Ellis said.

Sinclair representatives have already visited homes in the area. Silver Creek Estates resident Ted Colvin, who has a well on his property, said company representatives came to his home several months ago. Colvin described the conversation as friendly but said he worries about groundwater contamination from a potential leak.

"There's so many, many, many things that could go wrong," Colvin said. He added that the pipeline would cross the Wasatch Fault regardless of which canyon route is chosen to reach Salt Lake City.

Cherry Canyon resident Jeff Graham also reported a visit from Sinclair representatives. He described them as cordial. They shared little detail, he said.

The pipeline expansion has drawn attention in Summit County since surveyors fanned out across northern Utah in September. Summit County Community Development Director Peter Barnes told the Snyderville Basin Planning Commission on Sept. 14 that the county cannot veto a pipeline route. The county would, however, play a regulatory role if the expanded pipe crosses waterways like the Weber River.

As KPCW reported Sept. 25, Barnes suggested at that meeting that Sinclair parallel I-80 rather than follow an existing easement through the county-owned 910 Ranch. HF Sinclair later confirmed the 910 Ranch is not part of any proposed route.

Under Summit County's Snyderville Basin Development Code, hazardous-liquid pipelines, including petroleum lines, require conditional-use approval in all zoning districts. State or federal pipeline laws take precedence when they conflict with county rules.

HF Sinclair co-owns the Pioneer Pipeline with Phillips 66, which operates it. The existing pipe is 12 inches in diameter from central Wyoming to the Summit and Morgan county line at I-84, then shrinks to 8 inches. Sinclair wants the full line at 12 inches. The company announced in October 2025 that it targeted a 2028 start date, subject to board and regulatory approvals.

No public comment deadline or Summit County hearing date for the pipeline has been announced.