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 1501–1525 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Regan Hinsdale County | 17 | 1906 | Low | Fair |
| Regulating Reservoir El Paso County | 96 | 1996 | High | Satisfactory |
| Rehmer Weld County | 28 | 1957 | Low | Unsatisfactory |
| Reservoir #1 Crowley County | 8 | 1920 | Low | Not Rated |
| Reynolds Clear Creek County | 14 | 1910 | Low | Fair |
| Reynolds Summit County | 31 | 1938 | Significant | Satisfactory |
| Reynolds Delta County | 35 | 1950 | Low | Not Rated |
| Richards Larimer County | 21 | 1904 | High | Satisfactory |
| Richards Adams County | 17 | 1902 | Low | Not Rated |
| Richard Warne Fld Ret Elbert County | 40 | 1979 | Low | Unsatisfactory |
| Riddle Larimer County | 25 | 1953 | Low | Unsatisfactory |
| Ridges Basin Dam La Plata County | 273 | 2008 | High | Not Available |
| Ridgway Dam Ouray County | 330 | 1987 | High | Not Available |
| Rifle Correctional Center No. 1 Garfield County | 27 | 2006 | Low | Fair |
| Rifle Gap Dam Garfield County | 157 | 1967 | High | Not Available |
| Rifle Valley Garfield County | 26 | 1906 | Low | Satisfactory |
| Rim Rock #1 Delta County | 19 | 1952 | Low | Fair |
| Rio Grande Hinsdale County | 117 | 1914 | High | Satisfactory |
| Rist - Benson Larimer County | 19 | 1903 | High | Not Rated |
| Rist Canyon Larimer County | 12 | 1882 | Low | Not Rated |
| Rito Hondo Hinsdale County | 50 | 1956 | High | Unsatisfactory |
| Ritschard Grand County | 126 | 1995 | High | Fair |
| Riverside Weld County | 41 | 1908 | High | Satisfactory |
| R. Johnson Swt & Ec #1 Elbert County | 37 | 1977 | Low | Unsatisfactory |
| Roache Huerfano County | 30 | 1915 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.