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 1301–1325 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| G G Lower Eagle County | 26 | 1948 | Low | Satisfactory |
| German #8 and 9 Weld County | 7 | 1886 | Low | Not Rated |
| German #2 Adams County | 10 | 1887 | Low | Not Rated |
| German #12 Weld County | 11 | 1887 | Low | Not Rated |
| German #1 Adams County | 10 | 1910 | Low | Not Rated |
| Georgetown Forebay Clear Creek County | 21 | 1902 | Low | Fair |
| Georgetown Clear Creek County | 38 | 1973 | High | Fair |
| George Rist Larimer County | 17 | 1973 | Significant | Satisfactory |
| George Lewis #6 Crowley County | 13 | 1914 | Low | Satisfactory |
| Genesee No. 2 Jefferson County | 103 | 2008 | High | Satisfactory |
| Genesee No. 1 Jefferson County | 34 | 1975 | Low | Not Rated |
| Geist Larimer County | 12 | 1925 | Low | Satisfactory |
| Gcwsd #2 Grand County | 24 | 2008 | Low | Satisfactory |
| Gcwsd #1 Grand County | 21 | 2008 | Low | Fair |
| Gaynor Boulder County | 10 | — | Significant | Satisfactory |
| Gayno Jefferson County | 33 | 1977 | Low | Satisfactory |
| Gaylord Grand County | 67 | 1991 | Low | Not Rated |
| Garnet Mesa Delta County | 41 | 1954 | High | Fair |
| Garner Dolores County | 18 | 1960 | Low | Satisfactory |
| Garfield Wildlife Pond Garfield County | 16 | 1960 | Significant | Fair |
| Gardner Park Routt County | 33 | 1908 | Significant | Satisfactory |
| Gardner Lake Mesa County | 30 | 1980 | Significant | Fair |
| Garden of The Gods El Paso County | 41 | 2020 | High | Satisfactory |
| Gains Pueblo County | 14 | 1903 | Low | Fair |
| Gagliardi, Mike Las Animas County | 18 | 1919 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.