Dams in Fresno County, California
32Total Dams
20High Hazard
2Significant
Dam Safety in Fresno County, California
Fresno County has 32 dams tracked in the National Inventory of Dams. Of these, 20 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Fresno County is 81 years old. The most common purpose is hydroelectric. The tallest dam is Pine Flat Dam at 440 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Pine Flat Dam | High | Not Available | 440 | Flood Risk Reduction | 1954 |
| Courtright | High | Satisfactory | 315 | Hydroelectric | 1958 |
| Balch Afterbay | High | Satisfactory | 165 | Hydroelectric | 1928 |
| Big Creek Dam No. 3 | High | Satisfactory | 165 | Hydroelectric | 1913 |
| Vermilion Valley | High | Poor | 165 | Hydroelectric | 1954 |
| Little Panoche Detention | High | Not Available | 151 | Flood Risk Reduction | 1966 |
| Florence Lake | High | Fair | 149 | Hydroelectric | 1926 |
| Balch Diversion | High | Satisfactory | 135 | Hydroelectric | 1927 |
| Sand Creek | High | Satisfactory | 60 | Flood Risk Reduction | 1980 |
| Hume Lake | High | Not Rated | 54 | Recreation | 1908 |
| Sequoia Lake | High | Satisfactory | 51 | Water Supply | 1888 |
| Big Dry Creek | High | Satisfactory | 50 | Flood Risk Reduction | 1948 |
| Fancher Creek | High | Satisfactory | 46 | Flood Risk Reduction | 1991 |
| Redbank | High | Satisfactory | 33 | Flood Risk Reduction | 1962 |
| Giffen Reservoir | High | Satisfactory | 29 | Water Supply | 1971 |
| Friant Dike 3 | High | Not Available | 23 | Flood Risk Reduction | 1942 |
| Redbank Creek Detention Basin | High | Satisfactory | 17 | Flood Risk Reduction | 1990 |
| Fancher Creek Detention | High | Satisfactory | 16 | Flood Risk Reduction | 2006 |
| Alluvial Drain Detention | High | Satisfactory | 12 | Flood Risk Reduction | 1994 |
| Shaver Dike | High | Satisfactory | 8 | Hydroelectric | 1982 |
| Big Creek Dam No. 5 | Significant | Satisfactory | 60 | Hydroelectric | 1921 |
| Wishon Auxiliary No. 1 | Significant | Satisfactory | 26 | Hydroelectric | 1958 |
| Big Creek Dam No. 4 | Low | Satisfactory | 75 | Hydroelectric | 1913 |
| Mono Creek Diversion | Low | Satisfactory | 64 | Hydroelectric | 1927 |
| Bear Creek Diversion | Low | Satisfactory | 55 | Hydroelectric | 1927 |
| Last Chance Weir | Low | Not Rated | 24 | Other | 1919 |
| Lemoore Diversion Weir | Low | Not Rated | 21 | Other | 1924 |
| Balsam Meadow Forebay Dike | Low | Satisfactory | 20 | Hydroelectric | |
| Portal Forebay Dike | Low | Satisfactory | 18 | Hydroelectric | 1956 |
| Stinson Weir | Low | Not Rated | 14 | Other | 1910 |
| Mud | Low | Satisfactory | 14 | Water Supply | 1919 |
| Reynolds Weir | Low | Not Rated | 13 | Other | 1928 |