Dams in Summit County, Colorado
16Total Dams
9High Hazard
4Significant
Dam Safety in Summit County, Colorado
Summit County has 16 dams tracked in the National Inventory of Dams. Of these, 9 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Summit County is 84 years old. The most common purpose is water supply. The tallest dam is Ten Mile Pond #3 Dam at 416 ft.
Explore more: Oldest dams in Colorado · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Ten Mile Pond #3 Dam | High | Not Available | 416 | Tailings | |
| Dillon | High | Satisfactory | 310 | Water Supply | 1963 |
| Dillon | High | Satisfactory | 310 | Water Supply | 1963 |
| Green Mountain Dam | High | Not Available | 309 | Hydroelectric | 1943 |
| Mayflower Pond # 5 | High | Not Available | 237 | Tailings | |
| Robinson Tailing Pond #1dam | High | Not Available | 235 | Other | |
| Clinton Gulch | High | Satisfactory | 175 | Water Supply | 1977 |
| Upper Blue | High | Satisfactory | 75 | Water Supply | 1965 |
| Goose Pasture Tarn | High | Unsatisfactory | 71 | Recreation | 1965 |
| Upper Black Creek Res | Significant | Not Rated | 48 | Recreation | 1957 |
| Reynolds | Significant | Satisfactory | 31 | Irrigation | 1938 |
| Sawmill | Significant | Satisfactory | 17 | Recreation | 1890 |
| Bills Ranch Lake | Significant | Satisfactory | 8 | Recreation | 1933 |
| Hoagland #1 | Low | Fair | 34 | Irrigation | 1910 |
| Buffehrs | Low | Satisfactory | 20 | Water Supply | 1918 |
| Lost Lake | Low | Not Rated | 10 | Irrigation | 1924 |