Colorado Dams
1,962 dams tracked by the National Inventory of Dams
Total Dams
1,962
High Hazard
451
23%
Poor / Unsatisfactory
119
Average Age
84 yrs
Hazard Classification
High451 (23.0%)
Significant294 (15.0%)
Low1,217 (62.0%)
Condition Assessment
Satisfactory691 (35.2%)
Fair533 (27.2%)
Poor / Unsatisfactory119 (6.1%)
Not Rated619 (31.5%)
Federal
141
State
80
Local
416
Private
1,221
Tallest Dams
- Morrow Point Dam468 ft
- Ten Mile Pond #3 Dam416 ft
- Blue Mesa Dam390 ft
- Gross 350 ft
- Ridgway Dam330 ft
High Hazard Dams
- Morrow Point DamHigh
- Ten Mile Pond #3 DamHigh
- Blue Mesa DamHigh
- Gross High
- Ridgway DamHigh
Poor Condition Dams
- SanchezUnsatisfactory
- Narraguinnep - Main DamUnsatisfactory
- Stillwater #1Unsatisfactory
- MiramonteUnsatisfactory
- Spring CreekUnsatisfactory
All Dams in Colorado
Showing 651–675 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Geist Larimer County | 12 | 1925 | Low | Satisfactory |
| Genesee No. 1 Jefferson County | 34 | 1975 | Low | Not Rated |
| Genesee No. 2 Jefferson County | 103 | 2008 | High | Satisfactory |
| George Lewis #6 Crowley County | 13 | 1914 | Low | Satisfactory |
| George Rist Larimer County | 17 | 1973 | Significant | Satisfactory |
| Georgetown Clear Creek County | 38 | 1973 | High | Fair |
| Georgetown Forebay Clear Creek County | 21 | 1902 | Low | Fair |
| German #1 Adams County | 10 | 1910 | Low | Not Rated |
| German #12 Weld County | 11 | 1887 | Low | Not Rated |
| German #2 Adams County | 10 | 1887 | Low | Not Rated |
| German #8 and 9 Weld County | 7 | 1886 | Low | Not Rated |
| G G Lower Eagle County | 26 | 1948 | Low | Satisfactory |
| G.H. and S. #2 Mesa County | 38 | 1950 | Low | Not Rated |
| Giffin #1 (Lower) Weld County | 17 | 1948 | Low | Fair |
| Giffin #2 (Upper) Weld County | 21 | 1952 | Low | Satisfactory |
| Gill Reservoir Routt County | 25 | — | Low | Not Rated |
| Ginger Quill Jackson County | 40 | 1968 | Low | Not Rated |
| Ginther #1 Adams County | 12 | 1904 | Low | Fair |
| Glacier Lake Boulder County | 25 | 1905 | High | Fair |
| Glacier Spg Retaining Pond Mesa County | 13 | 1934 | Significant | Not Rated |
| Glen Carin El Paso County | 28 | 1899 | Low | Not Rated |
| Glen Eyrie #3 El Paso County | 41 | 1901 | High | Fair |
| Glen Lawson #1 El Paso County | 23 | 1971 | Low | Not Rated |
| Gobbo #1 Mesa County | 44 | 1973 | Significant | Fair |
| Gobbo #2 Mesa County | 40 | 1940 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.