Rainwater harvesting is the accumulating and storing of rainwater for reuse before it reaches the aquifer. It has been used to provide drinking water, water for livestock, water for irrigation, as well as other typical uses.

Rainwater collected from the roofs of houses and local institutions can make an important contribution to the availability of drinking water. It can supplement the subsoil water level and increase urban greenery.

Although some states (including Colorado) have laws which restrict the harvesting and holding of rainwater there is still much that can be done to capture and use rainwater legally, both rurally and in the urban environment.

In this class we cover the principles of rainwater harvesting, show examples of rainwater harvesting systems, and teach some relatively simple rainwater harvesting techniques that can be applied by most people in most landscapes.