Tonkin Reservoir Dam
Tonkin Reservoir Dam is an earth dam located in Eureka County, Nevada, built in 2016. It carries a Low hazard potential classification and has a fair condition assessment.
About Tonkin Reservoir Dam
The primary purpose of Tonkin Reservoir Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Nevada Gold Mines Llc (private). It impounds the Denay Creek.
The dam stands 18 feet tall and stretches 710 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 2016, 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 04/22/2020.
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Location
| State | Nevada |
| County | Eureka |
| Nearest City | None |
| River/Stream | Denay Creek |
| Coordinates | 39.90970, -116.40970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 710 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 18 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | NEVADA GOLD MINES LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/22/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NV00188 |
| Federal ID | NV00188 |
| More Info | State Dam Safety Program |