Thornton Construction

Status:

November 2025

Segment A includes 12 miles of 42-inch diameter welded steel pipeline through Thornton and Adams County.  Through September 2025 Segment A has installed 8 of 12 miles.

Click on the image to the right to see the water pipeline route in Segment A.

(Phase 1) Pipeline status along Quebec St. between 120th Ave to 168th Ave.: 

(Phase 2) Pipeline status south and west of the intersection at E 120th Ave and Quebec St. to the Wes Brown Water Treatment plant near E 88th Ave and Colorado Blvd.

View the City of Thornton’s current capital improvement projects map.

Please call the Thornton Water Project mainline at 720-977-6700 if you have any questions.