Derby Diversion Dam is a concrete dam located in Washoe County, Nevada, built in 1905. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 1,331 ft long, taller than 72% 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 concrete gravity section and the water level is illustrative.
About Derby Diversion Dam
The primary purpose of Derby Diversion Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau of Reclamation (federal). It impounds the Truckee River near Derby.
The dam stands 31 feet tall and stretches 1,331 feet across, and has a maximum storage capacity of 2,500 acre-feet. Completed in 1905, the structure is over a century old.
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.
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Location
| State | Nevada |
| County | Washoe |
| Nearest City | Derby |
| River/Stream | Truckee River |
| Coordinates | 39.58590, -119.44810 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,331 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 2,500 acre-ft |
| Max Storage | 2,500 acre-ft |
| Normal Storage | 2,000 acre-ft |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Bureau of Reclamation |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NV10121 |
| Federal ID | NV10121 |
| More Info | State Dam Safety Program |