New Waddell is a Federal-owned dam in Maricopa, Arizona, with a primary purpose of flood risk reduction. Completed in 1992, this rockfill dam stands at an impressive 438 feet in height and has a storage capacity of over 1 million acre-feet. Situated on the Agua Fria River in the Los Angeles District, New Waddell not only serves its primary purpose but also contributes to hydroelectric power generation, recreational activities, and water supply for the region.

Managed by the Bureau of Reclamation, New Waddell has a high hazard potential and is classified as very high risk, emphasizing the critical importance of its maintenance and monitoring. Although its condition assessment is not available, regular inspections are conducted to ensure its structural integrity and safety. With a controlled spillway and a surface area of 9957 acres, New Waddell plays a vital role in managing water resources and mitigating flood risks in the Phoenix area.

As a key infrastructure project in Arizona, New Waddell represents a significant investment in water resource management and climate resilience. Its strategic location, design features, and multi-purpose functionality make it a valuable asset for the community and a crucial component of the region's water infrastructure. The dam's role in flood control, water supply, and recreational opportunities underscores its importance in ensuring the sustainable development and resilience of the surrounding areas in the face of changing climate patterns and water resource challenges.