Emery
Emery is an earth dam located in Calaveras County, California, built in 1850. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Emery
The primary purpose of Emery 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 M-24 Ranch Association (private). It impounds the Mckinneys Creek.
The dam stands 53 feet tall and stretches 505 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 630 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1850, the structure is one of the older dams in the region, with over a century and a half of service.
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 04/16/2025.
At 53 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | California |
| County | Calaveras |
| River/Stream | Mckinneys Creek |
| Coordinates | 38.24840, -120.50380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 53 ft |
| Dam Height | 53 ft |
| Dam Length | 505 ft |
| Year Completed | 1850 (176 years old) |
Storage & Hydraulics
| NID Storage | 630 acre-ft |
| Max Storage | 630 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | M-24 Ranch Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/16/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00618 |
| Federal ID | CA00618 |
| More Info | State Dam Safety Program |