
Collins Ave Water Reservoir Construction to Begin this Year
Jan. 23, 2025 –The Collins Ave Water Reservoir will be undergoing a complete replacement this year. The reservoir, located at the corner of Collins Ave and Division St NW, and originally constructed in 1951 is nearing the end of its useful life.
A 2016 engineering study evaluated rehabilitation of the reservoir, but this was determined to be inefficient. The study recommended replacing the reservoir with one of the same size on the same property.
Other aspects of the project include improving the sight-line by pushing back the retaining wall at the corner of the intersection.
The past year included the design phase of the project and bids were awarded in August. Construction is set to begin later this year and wrap up in 2026.
“It’s critical we replace this piece of infrastructure, to continue providing residents consistent, safe drinking water before the reservoir reaches the end of its life,” says City Engineer Jarek Wigness.
The project is estimated at just over $6M, with a 27% cost-share with the State Water Commission. For larger utility improvement projects like this, the City often utilizes low-interest State Revolving Fund (SRF) loans for financing. The interest rate for the SRF program is 2%. Residents will see a $2.93 per month increase to utility bills to finance the local share of this project.
Contact the Engineering Department for questions regarding the Collins Ave Water Reservoir replacement project. Periodic updates will be shared at cityofmandan.com.