--- title: Thornton Water Treatment Plant Replacement | Project Spotlight image: https://info.watercollaborativedelivery.org/hubfs/Thornton%206307%20-%20Flying%2070%2c000lb%20precast%20girders%20over%20the%20intake%20gallery%20for%20the%20upper%20deck-enhanced%20Faith.jpg --- [![WCDA_horz_tag_RGB](https://info.watercollaborativedelivery.org/hs-fs/hubfs/WCDA_horz_tag_RGB.png?width=250&height=129&name=WCDA_horz_tag_RGB.png "WCDA_horz_tag_RGB")](https://www.watercollaborativedelivery.org) # THORNTON WTP REPLACEMENT **Progressive Design-Build ****Garney Construction and ****Burns & McDonnell **   With a rapid growth in population, the city of Thornton needed to replace its aging drinking water plant and make it resilient and robust enough to meet water demands 365 days a year, flexible enough to treat the multiple source waters, and have a robust taste and odor treatment system to mitigate algae-sourced challenges within Thornton's raw water storage reservoirs. ![Thornton 6307 - Flying 70,000lb precast girders over the intake gallery for the upper deck-enhanced Faith](https://info.watercollaborativedelivery.org/hubfs/Thornton%206307%20-%20Flying%2070%2c000lb%20precast%20girders%20over%20the%20intake%20gallery%20for%20the%20upper%20deck-enhanced%20Faith.jpg) ## **Download this project spotlight to learn more: ** - How inovations and flexibility in the design helped operations - The drivers behind choosing PDB - How this project affected the community and serves as an example to others Copyright © 2026 Water Collaborative Delivery Association [Privacy Policy](https://watercollaborativedelivery.org/privacy-policy/)     [mailto:info@WaterCollaborativeDelivery.org](mailto:info@WaterCollaborativeDelivery.org)