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Weld County


To begin construction in unincorporated Weld County, the County requires a Use by Special Review (USR) Permit. Thornton is working to secure this permit so we can begin construction and complete this project by 2025. Weld County has scheduled hearings on Thornton’s permit application. A Planning Commission hearing was held on July 21, 2020. A Board of County Commissioners hearing is scheduled on May 5, 2021.

Thornton has begun construction in the towns of Windsor and Johnstown. Installation of the pipeline in these towns will continue through April 2021.

For the latest project updates see our blog posts below.

General Project Updates

Full Closure of Intersection on WCR 15, south of Johnstown

Full closure of WCR 15 and WCR 46 intersection beginning Monday, 10/19 until evening of Friday, 10/23.  Closure will be all day and night.  Use WCR 13 and WCR 44 as detours to avoid the…

General Project Updates

Progress being made in Johnstown

Two miles of pipe has been installed in Johnstown. The construction work is over 50 percent complete and the project is on schedule. Please call the Thornton Water Project mainline at 720-977-6700 if you have…