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 426–450 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Rockwell Weld County | 16 | 1885 | Low | Fair |
| Rock Gap Grand County | 33 | 1966 | Low | Satisfactory |
| Rock Canyon E.C. #2 Arapahoe County | 25 | 1973 | Low | Not Rated |
| Rock Canyon E.C. #1 Arapahoe County | 26 | 1971 | Low | Unsatisfactory |
| Rock Jackson County | 14 | 1961 | Low | Fair |
| Robinson Tailings Pond #2 Dam Park County | 52 | — | Significant | Not Available |
| Robinson Tailing Pond #1dam Summit County | 235 | — | High | Not Available |
| Robinson Eagle County | 110 | 1936 | High | Satisfactory |
| Robinson El Paso County | 35 | 1958 | Low | Satisfactory |
| Roatcap Wash Watershed Rw-1 Montrose County | 48 | 1964 | High | Satisfactory |
| Road Canyon #2 Hinsdale County | 17 | 1922 | Low | Satisfactory |
| Road Canyon #1 Hinsdale County | 26 | 1908 | Significant | Fair |
| Roache Huerfano County | 30 | 1915 | Low | Satisfactory |
| R. Johnson Swt & Ec #1 Elbert County | 37 | 1977 | Low | Unsatisfactory |
| Riverside Weld County | 41 | 1908 | High | Satisfactory |
| Ritschard Grand County | 126 | 1995 | High | Fair |
| Rito Hondo Hinsdale County | 50 | 1956 | High | Unsatisfactory |
| Rist Canyon Larimer County | 12 | 1882 | Low | Not Rated |
| Rist - Benson Larimer County | 19 | 1903 | High | Not Rated |
| Rio Grande Hinsdale County | 117 | 1914 | High | Satisfactory |
| Rim Rock #1 Delta County | 19 | 1952 | Low | Fair |
| Rifle Valley Garfield County | 26 | 1906 | Low | Satisfactory |
| Rifle Gap Dam Garfield County | 157 | 1967 | High | Not Available |
| Rifle Correctional Center No. 1 Garfield County | 27 | 2006 | Low | Fair |
| Ridgway Dam Ouray County | 330 | 1987 | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.