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 1926–1950 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Annex #8 Larimer County | 26 | 1903 | Significant | Satisfactory |
| Angel Lake Weld County | 16 | 1899 | Significant | Satisfactory |
| Anderson Reservoir Garfield County | 12 | 1967 | Low | Not Rated |
| Anderson Brothers #1 Mesa County | 27 | 1940 | Low | Unsatisfactory |
| Anderson #6 Mesa County | 23 | 1929 | Low | Not Rated |
| Anderson #2 Mesa County | 35 | 1974 | Significant | Fair |
| Anderson #1 Mesa County | 29 | 1963 | Significant | Fair |
| Anderson Routt County | 17 | 1906 | Low | Fair |
| Amy R. Foote Lincoln County | 25 | 1906 | Low | Not Rated |
| A. M. Puett Montezuma County | 52 | 1960 | Significant | Satisfactory |
| Amber La Plata County | 23 | 1989 | Low | Not Rated |
| Altura Clear Creek County | 24 | 1904 | Low | Unsatisfactory |
| Alsbury Mesa County | 36 | 1996 | Significant | Fair |
| Allis Douglas County | 45 | 1906 | Low | Unsatisfactory |
| Allen Lake Boulder County | 24 | 1928 | Significant | Satisfactory |
| Allen Basin Rio Blanco County | 58 | 1956 | Significant | Fair |
| Alicia Lake Eagle County | 13 | 1906 | Low | Satisfactory |
| Alexander Lake Delta County | 11 | 1886 | Low | Not Rated |
| Alexander Montrose County | 33 | 1968 | Low | Not Rated |
| Alessi Flood Control Dam Huerfano County | 35 | 1970 | High | Fair |
| Albion Lake Boulder County | 36 | 1913 | Significant | Fair |
| Alberta Park Mineral County | 32 | 1953 | High | Fair |
| Albert Grand County | 26 | 1913 | Low | Fair |
| Akers & Tarr Weld County | 38 | 1918 | Significant | Satisfactory |
| Agate No 1 Elbert County | 18 | 1890 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.