Black Rock Creek
Black Rock Creek is an earth dam located in Monterey County, California, built in 1925. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Black Rock Creek
The primary purpose of Black Rock Creek 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 White Rock Club, Inc. (private). It impounds the Nfk Black Rock Cr.
The dam stands 54 feet tall and stretches 150 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1925, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/01/2024.
At 54 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | California |
| County | Monterey |
| River/Stream | Nfk Black Rock Cr |
| Coordinates | 36.41200, -121.77210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 54 ft |
| Dam Length | 150 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | White Rock Club, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/01/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00693 |
| Federal ID | CA00693 |
| More Info | State Dam Safety Program |