Located in Marion, Oregon, the Franzen Dam, also known as Turner Dam, serves as a vital water supply structure managed by the local government. Built in 1952, this earth dam stands at a height of 31 feet and has a storage capacity of 300 acre-feet, making it essential for water management in the region. The dam's primary purpose is water supply, and it has a high hazard potential with a satisfactory condition assessment as of its last inspection in November 2020.

Situated in the city of Turner, the Franzen Dam plays a crucial role in regulating water flow and ensuring a stable water supply for the surrounding area. With a drainage area of 8.5 square miles and a maximum discharge of 375 cubic feet per second, the dam's infrastructure includes an outlet gate system with slide (sluice gate) mechanisms. Despite its high hazard potential, the dam has been assessed as satisfactory, indicating its effective maintenance and operational standards.

As an essential component of Oregon's water resource infrastructure, the Franzen Dam exemplifies the importance of sustainable water management practices in the face of climate change. With its strategic location and efficient design, the dam continues to play a key role in water supply management, highlighting the critical need for resilience and adaptability in the face of evolving environmental challenges.