Red Mountain Freeway Levee
Red Mountain Freeway Levee is an earth dam located in Maricopa County, Arizona, built in 2008. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Red Mountain Freeway Levee
The primary purpose of Red Mountain Freeway Levee is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Arizona Department Of Transportation (state). It impounds the Unknown near No Data.
The dam stands 16 feet tall and stretches 16,877 feet across, and has a storage capacity of 1,158 acre-feet. Completed in 2008, the structure is relatively new.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/20/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Arizona dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Arizona |
| County | Maricopa |
| Nearest City | No Data |
| River/Stream | Unknown |
| Coordinates | 33.44611, -111.66305 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 16,877 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 1,158 acre-ft |
| Normal Storage | 1,158 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ARIZONA DEPARTMENT OF TRANSPORTATION |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/20/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AZ00309 |
| Federal ID | AZ00309 |
| More Info | State Dam Safety Program |