- Owner
- City of Sandy
- Location
- Sandy, Oregon
- Project code
- SD-23-385
Sandy Water Treatment and Transmission Improvements
The project involves construction of 11,500 ft of 24” diameter transmission line to convey treated water from PWB’s filtration plant, new pump station, and reservoir repairs/replacements and improvements.
Last verified Sep 25, 2026 3 official source families
Project brief
What is proposed
The project involves construction of 11,500 ft of 24” diameter transmission line to convey treated water from PWB’s filtration plant, new pump station, and reservoir repairs/replacements and improvements.
Latest material change
OHA publishes project in revised DWSRF public-comment list
The project appears in OHA's June 9, 2026 revised public-comment PPL, preserving a second official project-specific publication record.
Commercial scope
Confirmed work and commercial interpretation
What is proposed
The project involves construction of 11,500 ft of 24” diameter transmission line to convey treated water from PWB’s filtration plant, new pump station, and reservoir repairs/replacements and improvements.
Potential commercial work
Waterline IQ interpretation of accepted scope. These items are not confirmed contract packages or specifications.
Treatment plant
Water treatment plant and Water treatment filtration
Distribution
Transmission water main
Pumping and storage
Process pumps
Process and controls
Electrical and controls
Selected lifecycle
Key official milestones
-
Official event
Added during OHA's 1Q2023 DWSRF priority-list cycle
OHA lists the project for DWSRF funding consideration; the workbook does not establish a formal procurement date.
View evidence for Added during OHA's 1Q2023 DWSRF priority-list cycle -
Official event
Transmission-main construction bids due
The City invitation to bid set April 15, 2025 as the bid deadline for the 16-inch transmission-main package.
View evidence for Transmission-main construction bids due -
Official event
Transmission-main construction contract authorized
City Council authorized a construction contract with N8 Excavation for the transmission-main package in an amount not to exceed $2,687,000.
View evidence for Transmission-main construction contract authorized -
Official event
OHA publishes project in revised DWSRF public-comment list
The project appears in OHA's June 9, 2026 revised public-comment PPL, preserving a second official project-specific publication record.
View evidence for OHA publishes project in revised DWSRF public-comment list
Evidence and sources
11 accepted claims across 4 official document versions
Selected official evidence · Inspect exact excerpts and locators
Sandy City Council adopted minutes — May 19, 2025
Sandy water transmission procurement records“MOTION: Authorize the City Manager to execute the construction contract with N8 Holmlund Inc, DBA N8 Excavation for the Transmission Main portion of the Portland to Sandy Water Filtration System project, in an amount not to exceed $2,687,000, as amended Mot...”
2026 Q3 Combined Base DWSRF and IIJA General Supplemental PPL
OHA DWSRF infrastructure project priority list“8 | City of Sandy SD-23-385 Clackamas Jeff Hampton / Matt Mattia 11,180 | | Issue: With PWB’s new filtration plant, the current transmission line to purchase water only allows for raw water to be distributed. The option of building a new/updated treatment ...”
Portland to Sandy Water Filtration Transmission System invitation to bid
Sandy water transmission procurement records“Sealed bids for the construction of Portland to Sandy Water Filtration Transmission System (Project) must be delivered to the City of Sandy (Owner), 39250 Pioneer Boulevard, Sandy, Oregon 97055, and addressed to AJ Thorne, Assistance Public Works Director, ...”
2026 Q3 Combined Base DWSRF and IIJA General Supplemental PPL — public-comment PDF
OHA DWSRF infrastructure project priority list — public-comment edition“treatment facility, and intertie with Oak Lodge. City of Sandy Issue: With PWB’s new filtration plant, the current transmission line to Rating results include: SD-23-385 purchase water only allows for raw water to be distributed. The option 40 pts (Health R...”