Rainbow Diversion Dam is a concrete dam located in Colusa County, California, built in 1914. It carries a Low hazard potential classification.
Dam profile
NID height · 54 ft54 ft tall and 271 ft long, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Rainbow Diversion Dam
The primary purpose of Rainbow Diversion Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau of Reclamation (federal). It impounds the Stoney Creek.
The dam stands 54 feet tall and stretches 271 feet across, and has a maximum storage capacity of 100 acre-feet. Completed in 1914, 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.
At 54 feet, this dam is taller than 94% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | California |
| County | Colusa |
| Nearest City | None |
| River/Stream | Stoney Creek |
| Coordinates | 39.37060, -122.60450 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 54 ft |
| Dam Height | 54 ft |
| Dam Length | 271 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 100 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Bureau of Reclamation |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CA10359 |
| Federal ID | CA10359 |
| More Info | State Dam Safety Program |