Winnemucca Lagoon Dam #5 is an earth dam located in Humboldt County, Nevada, built in 1970. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 7 ft7 ft tall and 1,015 ft long. 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 Winnemucca Lagoon Dam #5
Winnemucca Lagoon Dam #5 is a dam in Humboldt, Nevada. The dam is owned by City of Winnemucca (local government). It impounds the Humboldt River-os near Lovelock.
The dam stands 7 feet tall and stretches 1,015 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 years 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/21/2021.
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Location
| State | Nevada |
| County | Humboldt |
| Nearest City | Lovelock |
| River/Stream | Humboldt River-os |
| Coordinates | 40.96611, -117.75911 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,015 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | City of Winnemucca |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/21/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NV10270 |
| Federal ID | NV10270 |
| More Info | State Dam Safety Program |