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 526–550 of 691
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Prospect Weld County | 45 | 1914 | Significant | Satisfactory |
| Prospect Lake El Paso County | 32 | 1954 | Significant | Satisfactory |
| Quincy Arapahoe County | 73 | 1974 | High | Satisfactory |
| Rainbow Lake Chaffee County | 23 | 1965 | Low | Satisfactory |
| Ralston Jefferson County | 204 | 1937 | High | Satisfactory |
| Ramah Det. and Rec. El Paso County | 60 | 1964 | Significant | Satisfactory |
| Rampart El Paso County | 250 | 1970 | High | Satisfactory |
| Rawhide Larimer County | 113 | 1980 | High | Satisfactory |
| R. D. Nixon El Paso County | 64 | 1979 | Significant | Satisfactory |
| Redlands Mesa County | 13 | 1917 | Low | Satisfactory |
| Regulating Reservoir El Paso County | 96 | 1996 | High | Satisfactory |
| Reynolds Summit County | 31 | 1938 | Significant | Satisfactory |
| Richards Larimer County | 21 | 1904 | High | Satisfactory |
| Rifle Valley Garfield County | 26 | 1906 | Low | Satisfactory |
| Rio Grande Hinsdale County | 117 | 1914 | High | Satisfactory |
| Riverside Weld County | 41 | 1908 | High | Satisfactory |
| Roache Huerfano County | 30 | 1915 | Low | Satisfactory |
| Road Canyon #2 Hinsdale County | 17 | 1922 | Low | Satisfactory |
| Roatcap Wash Watershed Rw-1 Montrose County | 48 | 1964 | High | Satisfactory |
| Robinson El Paso County | 35 | 1958 | Low | Satisfactory |
| Robinson Eagle County | 110 | 1936 | High | Satisfactory |
| Rock Gap Grand County | 33 | 1966 | Low | Satisfactory |
| Rockwell #1 Montrose County | 19 | 1981 | Low | Satisfactory |
| Rocky Ridge Larimer County | 35 | 1940 | High | Satisfactory |
| Rosemont Teller County | 120 | 1961 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.