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 1476–1500 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Quaintance Jefferson County | 62 | 1984 | Low | Not Rated |
| Queen Kiowa County | 25 | 1896 | Significant | Unsatisfactory |
| Quincy Arapahoe County | 73 | 1974 | High | Satisfactory |
| Rainbow El Paso County | 26 | 1930 | Low | Fair |
| Rainbow Falls #5 Douglas County | 20 | 1957 | Low | Not Rated |
| Rainbow Lake Larimer County | 16 | 2016 | Low | Not Rated |
| Rainbow Lake Chaffee County | 23 | 1965 | Low | Satisfactory |
| Rajadero Reservoir Conejos County | 24 | 1979 | Low | Not Rated |
| Ralston Jefferson County | 204 | 1937 | High | Satisfactory |
| Ralston #1 Garfield County | 20 | 1904 | Low | Not Rated |
| Ramah Det. and Rec. El Paso County | 60 | 1964 | Significant | Satisfactory |
| Ramona Larimer County | 8 | 1889 | Low | Not Rated |
| Rampart El Paso County | 250 | 1970 | High | Satisfactory |
| Ramsey Elbert County | 24 | 1970 | Low | Not Rated |
| Rams Horn Garfield County | 21 | 1942 | Low | Fair |
| Rapid Creek #1 Mesa County | 21 | 1934 | Significant | Fair |
| Rapid Creek #2 Mesa County | 17 | 1946 | Low | Not Rated |
| Rattlesnake Dam Larimer County | 130 | 1952 | High | Not Available |
| Rawhide Larimer County | 113 | 1980 | High | Satisfactory |
| R. D. Nixon El Paso County | 64 | 1979 | Significant | Satisfactory |
| Redlands Mesa County | 13 | 1917 | Low | Satisfactory |
| Red Mesa Ward La Plata County | 61 | 1915 | High | Fair |
| Red Top Pueblo County | 22 | 1912 | Low | Fair |
| Reed Delta County | 22 | 1956 | Significant | Fair |
| Reeder Mesa County | 30 | 1889 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.