This special edition of Headwaters provides a review of the water decisions of the Colorado Supreme Court over the past decade. It places these decisions in the context of a growing population and changing public values regarding water. The publication shows the complexity of the simple legal principle of “first in time, first in right.” It also demonstrates that a body of law that rests on nearly 150 years of territorial and state law can adapt to our contemporary social needs and interests. Explore the topic of water law by flipping through the online version of Headwaters.