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 1876–1900 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Webster Lake East Adams County | 14 | 1888 | Significant | Satisfactory |
| Wee Ruby Mineral County | 13 | 1934 | Low | Fair |
| Weir and Johnson Delta County | 23 | 1974 | High | Fair |
| Wellington Jefferson County | 84 | 1895 | High | Fair |
| Welsh Eagle County | 36 | 1915 | Significant | Satisfactory |
| Wendell Goff Logan County | 25 | 1950 | Low | Satisfactory |
| Werhonig & Gardner Garfield County | 16 | 1912 | Low | Not Rated |
| West #1 Delta County | 49 | 1950 | High | Fair |
| West Arapahoe Jackson County | 26 | 1951 | Low | Satisfactory |
| West Badger Detention Mesa County | 25 | 1962 | Low | Satisfactory |
| Westerdoll Lake Larimer County | 11 | 1900 | Low | Fair |
| Westerly Creek Denver County | 51 | 1991 | High | Satisfactory |
| Western Hillside Reservoir Eagle County | 46 | 1997 | High | Satisfactory |
| Western Mobile Lake 4 Boulder County | 33 | — | Low | Not Rated |
| West Jefferson Jefferson County | 30 | 1982 | Low | Fair |
| West Lake Boulder County | 10 | 2020 | Low | Not Rated |
| West Meadows #1 Jefferson County | 17 | 1983 | Low | Fair |
| West Meadows #2 Jefferson County | 17 | 1983 | Low | Fair |
| West Miller Garfield County | 23 | 1906 | Low | Satisfactory |
| Westminster Lake Adams County | 34 | 1995 | Significant | Satisfactory |
| West Stewart Rio Blanco County | 22 | 1895 | Low | Not Rated |
| Whiteford Lake Park County | 28 | 1955 | Low | Satisfactory |
| Whiteley-Nelson Routt County | 34 | 1952 | Low | Satisfactory |
| Whiteley Peak Grand County | 62 | 1941 | Significant | Fair |
| White Owl Dam Garfield County | 13 | 1967 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.