Lake Las Vegas Dam
Lake Las Vegas Dam is an earth dam located in Clark County, Nevada, built in 1991. It carries a Significant hazard potential classification and has a fair condition assessment.
About Lake Las Vegas Dam
The primary purpose of Lake Las Vegas Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Las Vegas Master Association (private). It impounds the Las Vegas Wash.
The dam stands 165 feet tall and stretches 4,208 feet across, creates a reservoir covering 320 acres, has a maximum storage capacity of 10,600 acre-feet, and collects water from a drainage area of 140 square miles. Completed in 1991, the structure is 35 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 12/15/2021.
At 165 feet, this dam is taller than 99% of all dams in the United States.
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 | None |
| River/Stream | Las Vegas Wash |
| Coordinates | 36.11970, -114.90970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 165 ft |
| Dam Height | 133 ft |
| Dam Length | 4,208 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 10,600 acre-ft |
| Max Storage | 10,600 acre-ft |
| Normal Storage | 9,960 acre-ft |
| Surface Area | 320 acres |
| Drainage Area | 140 sq mi |
| Max Discharge | 90,700 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LAKE LAS VEGAS MASTER ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/15/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NV10153 |
| Federal ID | NV10153 |
| More Info | State Dam Safety Program |