East Park, also known as Shaw Butte Detention, is a flood risk reduction structure located in Maricopa County, Arizona. Built in 1974, this earth dam stands at a height of 26.3 feet and stretches 700 feet in length along the Cave Creek stream. With a storage capacity of 33.3 acre-feet, East Park plays a crucial role in managing stormwater and reducing the risk of flooding in the surrounding area.

Managed by the Arizona Department of Water Resources, East Park is state-regulated with regular inspections to ensure its structural integrity. The dam's spillway, with a width of 50 feet, helps control water flow during periods of heavy rainfall, with a maximum discharge capacity of 1650 cubic feet per second. Despite its high hazard potential, the dam is assessed as being in satisfactory condition, with a moderate risk level of 3.

As a key component of flood control measures in Phoenix, East Park serves as a vital infrastructure for water resource and climate enthusiasts. Its effective design and maintenance exemplify the importance of proactive management in safeguarding communities from the impacts of extreme weather events and ensuring sustainable water management practices in the region.