The City of Boulder will replace two waterlines, which supply drinking water to the community, along 63rd Street between CO 119 (also known as the Diagonal Highway) and Jay Road.

Construction is anticipated for Oct. 7, 2024 to fall 2025.

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Completion Date
2025
Current Phase
Build

Project Overview

Boulder strives to provide customers with safe and high-quality drinking water. We use waterlines, also known as water service lines or main water lines, to supply drinking water to our community.

To continue providing safe, clean water, we must replace older waterlines once they reach the end of their useful life.

The 63rd Street Waterline Replacement Project will replace aging infrastructure with newer, more easily maintained waterlines to improve water distribution resilience. One of the new waterlines will also be twice as large as the previous waterline, helping meet increased demand for drinking water serving the Gunbarrel community

Construction Impacts

While the city will minimize impacts to the fullest extent possible, there will be impacts along 63rd Street just south of CO 119 to Twin Lakes Road. Construction is anticipated for Oct. 7, 2024 to fall 2025.

Travel Impacts

View travel impact updates and suggested detours on the city’s Cone Zones map. Travelers can expect:

  • Impacts to the vehicle lanes, with single and full lane closures as needed, bus stop impacts, and detours for people walking and biking along 63rd Street from the railroad tracks south of CO 119 to Twin Lakes Road.
  • 63rd Street to be periodically reduced to single-lane vehicle traffic, anticipated for this winter.
  • A full road closure of 63rd Street, between Nautilus and Jay, with detours, anticipated for this winter.

Community members can continue to access nearby neighborhoods and businesses throughout construction, though may experience detours. Access to specific driveways may be impacted.

Community members in the area may also experience nearby travel impacts from state and county transportation projects, unrelated to this project.

Water Service Impacts

There may also be limited local impacts to water service for short periods of time during construction. The project team will work directly with affected community members in advance of local impacts.

Learn More

This project phase will replace a 12-inch and 30-inch waterline. Following the anticipated completion in 2025, the city will continue the waterline replacement on 63rd/62nd Street from Jay Road to Boulder Creek and is anticipated for 2025-2026. This project is funded by the city's Utilities Fund.

Learn more about our related city resources:

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