Case Study
Scoggins Dam Raise Alternatives
To address water supply needs, the Tualatin Basin Water Supply Project Partnership (Partners) is evaluating alternatives for raising Scoggins Dam, a 151-foot-high zoned embankment 25 miles west of Portland, Oregon. The dam’s owner, the Bureau of Reclamation, is simultaneously conducting a dam safety evaluation of the existing facility. ADDRESSING STORAGE CAPACITY AND SEISMIC RISK The project provides 52,000 acrefeet of additional yield to meet