How to bid on the Shadow Mountain Water System Project for Cowlitz County

What Cowlitz County is buying

Cowlitz County is seeking bids for the construction of the Shadow Mountain water system. This project involves installing approximately 62 feet of 12-inch water main, 1,050 feet of 8-inch water main, and 670 feet of 4-inch future reservoir fill line.

The work also includes connections, mechanical, electrical, and controls improvements for a county-provided booster pump station. Additionally, domestic service connections and fire hydrants will be installed. The project is located in Cowlitz County, specifically in Kelso, WA.

Key dates and what happens at the deadline

This solicitation was published on September 03, 2026. The deadline for submitting your response is September 28, 2026, at 4:30 PM ET. All responses must be submitted by this time.

Who this opportunity suits

This opportunity is suitable for construction firms with experience in water system infrastructure, including water main installation, booster pump station integration, and related mechanical and electrical work. The project is categorized under Public Works and equipment, indicating a need for contractors familiar with such projects.

How to respond

To access the full posting and related documents, you need to go to the Cowlitz County bid postings page. The bid detail page is public and does not require a sign-in to view. Once you have reviewed all the information, submit your response as directed in the posting before the deadline.

Tips for preparing a competitive response

Carefully review all specifications for the water main sizes and lengths, as well as the requirements for the booster pump station improvements. Ensure your proposal clearly addresses all aspects of the construction, including the future reservoir fill line, domestic service connections, and fire hydrants.

Highlight your firm's experience with similar water infrastructure projects, especially those involving both new main installation and upgrades to existing systems. Provide a detailed plan for project execution, including timelines and quality control measures, to demonstrate your capability to complete the work efficiently and effectively.