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 251–275 of 294
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Smith Costilla County | 42 | 1914 | Significant | Satisfactory |
| Southern Pond Open Space La Plata County | 11 | 2006 | Significant | Not Rated |
| South Side Larimer County | 31 | 1921 | Significant | Satisfactory |
| Spence Archuleta County | 58 | 1965 | Significant | Fair |
| Stainton #3 Garfield County | 11 | 1983 | Significant | Satisfactory |
| St. Charles Mesa Pueblo County | 23 | 1975 | Significant | Fair |
| St. Marys Lake Clear Creek County | 9 | 1889 | Significant | Not Rated |
| Sunny Slope Larimer County | 16 | — | Significant | Fair |
| The Ranch Adams County | 27 | 1979 | Significant | Satisfactory |
| Thibodeaux La Plata County | 18 | — | Significant | Satisfactory |
| Thomas Pitkin County | 32 | 1938 | Significant | Fair |
| Thurston Lake Prowers County | 20 | 1928 | Significant | Fair |
| Tomahawk Gunnison County | 32 | 1957 | Significant | Fair |
| Town Center Archuleta County | 45 | 1973 | Significant | Satisfactory |
| Troutvale #1 (Upper) Hinsdale County | 12 | 1911 | Significant | Fair |
| Troutvale #2 (Lower) Hinsdale County | 15 | 1940 | Significant | Fair |
| Twin Lakes Reservoir Larimer County | 41 | 1998 | Significant | Satisfactory |
| Union Weld County | 33 | 1902 | Significant | Satisfactory |
| Upper Black Creek Res Summit County | 48 | 1957 | Significant | Not Rated |
| Upper Derby Adams County | 15 | 1942 | Significant | Not Available |
| Upper Tule Lake Arapahoe County | 11 | 1892 | Significant | Satisfactory |
| Valana K Reservoir No. 1 Pitkin County | 19 | 1972 | Significant | Unsatisfactory |
| Vancil Morgan County | 53 | 1990 | Significant | Satisfactory |
| Victor #2 Teller County | 43 | 1897 | Significant | Unsatisfactory |
| Wadley #1 Adams County | 14 | 1895 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.