The Sierra Vista Subwatershed is a smaller drainage area located within the larger San Pedro River Watershed in southeastern Arizona. It plays a crucial role in managing water flow and supporting local ecosystems. The subwatershed is characterized by diverse habitats, including grasslands and riparian zones, which provide essential resources for wildlife. This area is significant for its water quality and quantity, impacting both natural habitats and human activities. Conservation efforts in the Sierra Vista Subwatershed aim to protect its unique environment and ensure sustainable water use for the surrounding communities, including the city of Sierra Vista.