Ray Soule Reservoir
Ray Soule Reservoir is an earth dam located in Siskiyou County, California, built in 1953. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Ray Soule Reservoir
The primary purpose of Ray Soule Reservoir 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 David Cowley (private). It impounds the Tr L Shasta R.
The dam stands 28 feet tall and stretches 1,100 feet across, creates a reservoir covering 13 acres, and has a maximum storage capacity of 132 acre-feet. Completed in 1953, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 L Shasta R |
| Coordinates | 41.73150, -122.37380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Surface Area | 13 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | David Cowley |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/21/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01603 |
| Federal ID | CA01603 |
| More Info | State Dam Safety Program |