Donner Euer Valley
Donner Euer Valley is an earth dam located in Nevada County, California, built in 1966. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Donner Euer Valley
The primary purpose of Donner Euer Valley is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Donner Euer Valley Corporation (private). It impounds the Tr Sfk Prosser Cr.
The dam stands 21 feet tall and stretches 520 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/11/2025.
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Location
| State | California |
| County | Nevada |
| River/Stream | Tr Sfk Prosser Cr |
| Coordinates | 39.36040, -120.29900 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 520 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Donner Euer Valley Corporation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/11/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00543 |
| Federal ID | CA00543 |
| More Info | State Dam Safety Program |