Arizona Watersheds:
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Welcome to Arizona NEMO! Education and Outreach about the Connection between Land Use and Water Quality and Quantity.


Click on your location to find information about your watershed.
A partnership with The University of Arizona Cooperative Extension, The Water Resources Research Center, and The Arizona Department of Environmental Quality.

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Lower Colorado River - Grand Canyon Upper Colorado River Lower San Juan River Upper San Juan River Little Colorado River Lower Colorado - Below Lake Mead Bill Williams River Verde River Salt River Lower Gila - Agua Fria River Lower Gila - Below Painted Rock Dam Upper Gila River Middle Gila River San Pedro River Santa Cruz River Rio Sonoyta Rio Bavispe Rio Asuncion