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 351–375 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Silver Lake Boulder County | 70 | 1887 | High | Fair |
| Silver Jack Dam Gunnison County | 173 | 1971 | High | Not Available |
| Silver Dollar Clear Creek County | 35 | — | Low | Not Rated |
| Signal #2 Adams County | 12 | 1890 | Low | Satisfactory |
| Signal #1 Adams County | 22 | 1890 | Significant | Unsatisfactory |
| Sierra Blanco #1 Huerfano County | 37 | 1906 | Low | Not Rated |
| Siena Broomfield County | 41 | 2004 | High | Satisfactory |
| Shoshone Diversion Dam Garfield County | 32 | 1909 | High | Not Rated |
| Short La Plata County | 16 | 1940 | Low | Not Rated |
| Shirkey,Pearl Det. #1 Elbert County | 30 | 1969 | Low | Not Rated |
| Sherwood Larimer County | 14 | 1906 | Significant | Satisfactory |
| Sheriff Rio Blanco County | 72 | 1955 | High | Unsatisfactory |
| Sheer Bliss Pitkin County | 22 | 2007 | Significant | Satisfactory |
| Sheep Lake Delta County | 25 | 1889 | Low | Satisfactory |
| Shawver Jackson County | 20 | 1949 | Low | Fair |
| Shaw - South Dam Mineral County | 19 | 1895 | Significant | Satisfactory |
| Shaw - North Dam Mineral County | 25 | 1895 | Significant | Satisfactory |
| Shaw Weld County | 7 | 1908 | Low | Not Rated |
| Shavano Valley #2-Sv-2 Montrose County | 50 | 1996 | High | Satisfactory |
| Shavano Valley #1-Sv-1 Montrose County | 54 | 1993 | High | Satisfactory |
| Sharps Orchard Huerfano County | 16 | 1896 | Low | Not Rated |
| Shadow Mountain Dam Grand County | 63 | 1946 | High | Not Available |
| Seymour Jackson County | 25 | 1966 | Low | Not Rated |
| Seven Reverse Y #1 Weld County | 29 | 1965 | Low | Satisfactory |
| Senac Arapahoe County | 163 | 1990 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.