Pittman Horizon Ridge Detention Basin Dam
Pittman Horizon Ridge Detention Basin Dam is a concrete dam located in Clark County, Nevada. It carries a High hazard potential classification and has a poor condition assessment.
About Pittman Horizon Ridge Detention Basin Dam
The primary purpose of Pittman Horizon Ridge Detention Basin Dam 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 City Of Henderson (local government). It impounds the Unnamed Wash near Henderson.
The dam stands 44 feet tall and stretches 835 feet across, and has a maximum storage capacity of 104 acre-feet.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 05/01/2023.
At 44 feet, this dam is taller than 90% of dams nationwide.
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 Nevada 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 | Nevada |
| County | Clark |
| Nearest City | Henderson |
| River/Stream | Unnamed Wash |
| Coordinates | 36.01483, -115.02426 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 835 ft |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Max Discharge | 13,900 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF HENDERSON |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 05/01/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NV10902 |
| Federal ID | NV10902 |
| More Info | State Dam Safety Program |