This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest. Learners play the role of dam operator, controlling how much water passes through the dam each season. First, learners choose whether it's a very dry or wet (or average) year and adjust the level of the reservoir in fall, winter, spring and summer. Learners see how their choices affect the migrating river salmon, power bills, recreation, agriculture, flooding, and fish that live in the reservoir. The results are compared to those of the real operators, and learners can print out a copy of your final report.