Aided by citizen scientists, Arizona has provisionally removed Fossil Creek and part of the San Pedro River from the Clean Water Act Impaired Waters List.
American Rivers has published its top ten endangered rivers report for 2022, and the Colorado River tops the list.
A federal judge rejected a conservation plan by the Department of Defense and US Fish and Wildlife Service involving the effect of groundwater pumping at Fort Huachuca on the San Pedro River.
Well owners in Arizona's San Pedro River watershed and Verde River watershed now have access to a powerful tool, the Subflow Zone Locator. The locator is an interactive map released by the Arizona...
The Mormon Battalion was the only religious unit in United States military history. It was recruited in 1846 to create a southern wagon train route to San Diego during the Mexican-American War.