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 551–575 of 691
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Rueter Hess Douglas County | 196 | 2012 | High | Satisfactory |
| Ryan Delta County | 19 | 1907 | Low | Satisfactory |
| Ryan Gulch Larimer County | 36 | 1950 | Significant | Satisfactory |
| Saddle Routt County | 19 | 1908 | Low | Satisfactory |
| Salazar #1 Costilla County | 26 | 1904 | Low | Satisfactory |
| Sanborn Weld County | 16 | 1890 | Low | Satisfactory |
| Sand Creek Detention Basin No. 6 El Paso County | 82 | 2014 | Significant | Satisfactory |
| Santa Maria Mineral County | 102 | 1911 | High | Satisfactory |
| Sawmill Summit County | 17 | 1890 | Significant | Satisfactory |
| Schorn Fish Pond Mesa County | 26 | 1935 | Low | Satisfactory |
| Scotland Peak Delta County | 21 | 1949 | Low | Satisfactory |
| Seeley Lake Weld County | 18 | 1902 | Low | Satisfactory |
| Senac Arapahoe County | 163 | 1990 | High | Satisfactory |
| Seven Reverse Y #1 Weld County | 29 | 1965 | Low | Satisfactory |
| Shavano Valley #1-Sv-1 Montrose County | 54 | 1993 | High | Satisfactory |
| Shavano Valley #2-Sv-2 Montrose County | 50 | 1996 | High | Satisfactory |
| Shaw - North Dam Mineral County | 25 | 1895 | Significant | Satisfactory |
| Shaw - South Dam Mineral County | 19 | 1895 | Significant | Satisfactory |
| Sheep Lake Delta County | 25 | 1889 | Low | Satisfactory |
| Sheer Bliss Pitkin County | 22 | 2007 | Significant | Satisfactory |
| Sherwood Larimer County | 14 | 1906 | Significant | Satisfactory |
| Siena Broomfield County | 41 | 2004 | High | Satisfactory |
| Signal #2 Adams County | 12 | 1890 | Low | Satisfactory |
| Silver Spruce #2 Boulder County | 18 | 1958 | Low | Satisfactory |
| Simon #1 Rio Blanco County | 27 | 1917 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.