Sunrise Mountain Landfill Detention Basin Dam is an earth dam located in Clark County, Nevada, built in 2012. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 42 ft42 ft tall and 990 ft long, taller than 88% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Sunrise Mountain Landfill Detention Basin Dam
The primary purpose of Sunrise Mountain Landfill 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 Republic Services Inc (private). It impounds the Las Vegas Wash-tr near Las Vegas.
The dam stands 42 feet tall and stretches 990 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 416 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2012, the structure is relatively new.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 12/01/2020.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Nevada |
| County | Clark |
| Nearest City | Las Vegas |
| River/Stream | Las Vegas Wash-tr |
| Coordinates | 36.16017, -114.99032 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 36 ft |
| Dam Length | 990 ft |
| Year Completed | 2012 (14 years old) |
Storage & Hydraulics
| NID Storage | 416 acre-ft |
| Max Storage | 416 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 13,755 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Republic Services Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/01/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NV10772 |
| Federal ID | NV10772 |
| More Info | State Dam Safety Program |