Cloak Lake
Cloak Lake is an earth dam located in Siskiyou County, California, built in 1955. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cloak Lake
The primary purpose of Cloak Lake 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 Lava Lakes, Llc (private). It impounds the Tr Shasta River.
The dam stands 13 feet tall and stretches 432 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 123 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1955, 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 05/21/2025.
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Location
| State | California |
| County | Siskiyou |
| River/Stream | Tr Shasta River |
| Coordinates | 41.64260, -122.43950 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 432 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Lava Lakes, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/21/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00927 |
| Federal ID | CA00927 |
| More Info | State Dam Safety Program |