Wampler-Werth, located in Crook, Oregon, is a privately owned dam with a primary purpose of water supply. This Earth dam, completed in 1983, stands at a height of 20 feet and has a hydraulic height of 16 feet. It has a storage capacity of 90 acre-feet and covers a surface area of 11.2 acres, serving a drainage area of 3.9 square miles. The dam, situated on the Central Oregon I.D. Canal, is regulated by the Oregon Water Resources Department and undergoes regular inspections and enforcement measures to ensure its safety and compliance with state regulations.

With a significant hazard potential, Wampler-Werth is equipped with slide gates for outlet control. Despite not having a condition assessment rating, the dam has a scheduled inspection frequency of every 3 years, with the last inspection conducted in March 2018. While the Emergency Action Plan (EAP) status and risk assessment details are not provided, the dam's location in a remote area without downstream settlement underscores the importance of its role in water supply management in the region. As a crucial infrastructure for water resource management, Wampler-Werth plays a vital role in supporting agricultural and municipal water needs in the area, highlighting the significance of maintaining its integrity and safety for long-term sustainability.