Dams in Colusa County, California
6Total Dams
3High Hazard
0Significant
Dam Safety in Colusa County, California
Colusa County has 6 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Colusa County is 82 years old. The most common purpose is irrigation. The tallest dam is Funks Dam at 80 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Rancho Rubini | High | Poor | 31 | Water Supply | 1955 |
| Upper Letts | High | Not Rated | 26 | Recreation | 1958 |
| East Park-coleman Dike | High | Not Available | 16 | Irrigation | 1910 |
| Funks Dam | Low | Not Available | 80 | Irrigation | 1975 |
| Rainbow Diversion Dam | Low | Not Available | 54 | Irrigation | 1914 |
| York Hill | Low | Satisfactory | 38 | Water Supply | 1952 |