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 326–350 of 451
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Quincy Arapahoe County | 73 | 1974 | High | Satisfactory |
| Ralston Jefferson County | 204 | 1937 | High | Satisfactory |
| Rampart El Paso County | 250 | 1970 | High | Satisfactory |
| Rattlesnake Dam Larimer County | 130 | 1952 | High | Not Available |
| Rawhide Larimer County | 113 | 1980 | High | Satisfactory |
| Red Mesa Ward La Plata County | 61 | 1915 | High | Fair |
| Regulating Reservoir El Paso County | 96 | 1996 | High | Satisfactory |
| Richards Larimer County | 21 | 1904 | High | Satisfactory |
| Ridges Basin Dam La Plata County | 273 | 2008 | High | Not Available |
| Ridgway Dam Ouray County | 330 | 1987 | High | Not Available |
| Rifle Gap Dam Garfield County | 157 | 1967 | High | Not Available |
| Rio Grande Hinsdale County | 117 | 1914 | High | Satisfactory |
| Rist - Benson Larimer County | 19 | 1903 | High | Not Rated |
| Rito Hondo Hinsdale County | 50 | 1956 | High | Unsatisfactory |
| Ritschard Grand County | 126 | 1995 | High | Fair |
| Riverside Weld County | 41 | 1908 | High | Satisfactory |
| Roatcap Wash Watershed Rw-1 Montrose County | 48 | 1964 | High | Satisfactory |
| Robinson Eagle County | 110 | 1936 | High | Satisfactory |
| Robinson Tailing Pond #1dam Summit County | 235 | — | High | Not Available |
| Rocky Ridge Larimer County | 35 | 1940 | High | Satisfactory |
| Ruedi Dam Pitkin County | 322 | 1968 | High | Not Available |
| Rueter Hess Douglas County | 196 | 2012 | High | Satisfactory |
| Saddle Pond Pitkin County | 30 | 1988 | High | Fair |
| Sanchez Costilla County | 137 | 1911 | High | Unsatisfactory |
| Santa Maria Mineral County | 102 | 1911 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.