Lower Stoney Valley is an earth dam located in Monterey County, California, built in 1972. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 35 ft35 ft tall and 800 ft long, taller than 80% 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 Lower Stoney Valley
The primary purpose of Lower Stoney Valley is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Fort Hunter Liggett (federal). It impounds the Stoney Creek near Bradley.
The dam stands 35 feet tall and stretches 800 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 75 acre-feet. Completed in 1972, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 05/09/2023.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | California |
| County | Monterey |
| Nearest City | Bradley |
| River/Stream | Stoney Creek |
| Coordinates | 35.95697, -121.27775 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 33 ft |
| Dam Length | 800 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 810 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Fort Hunter Liggett |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/09/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA10121 |
| Federal ID | CA10121 |
| More Info | State Dam Safety Program |