Copper Cove
Copper Cove is an earth dam located in Calaveras County, California, built in 1993. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Copper Cove
The primary purpose of Copper Cove 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 Calaveras County Water District (local government). It impounds the Tr Littlejohns Cr.
The dam stands 42 feet tall and stretches 1,308 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 205 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1993, the structure is 33 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 11/13/2025.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | California |
| County | Calaveras |
| River/Stream | Tr Littlejohns Cr |
| Coordinates | 37.90880, -120.62780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 1,308 ft |
| Year Completed | 1993 (33 years old) |
Storage & Hydraulics
| NID Storage | 205 acre-ft |
| Max Storage | 205 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Calaveras County Water District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/13/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01356 |
| Federal ID | CA01356 |
| More Info | State Dam Safety Program |