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 1–25 of 451
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Y T Ranch Mesa County | 35 | 1911 | High | Unsatisfactory |
| Youngs Creek #1 & 2 Delta County | 57 | 1952 | High | Fair |
| Yamcolo Garfield County | 110 | 1980 | High | Fair |
| Woodmoor Lake El Paso County | 68 | 1973 | High | Fair |
| Woodland Park El Paso County | 82 | 1963 | High | Fair |
| Wommer #1 La Plata County | 38 | 1952 | High | Fair |
| Woman Creek Jefferson County | 50 | 1995 | High | Satisfactory |
| Windsor Lake Weld County | 11 | 1904 | High | Satisfactory |
| Windsor #8 Larimer County | 56 | 1903 | High | Satisfactory |
| Windsor Weld County | 43 | 1978 | High | Satisfactory |
| Windsor Denver County | 24 | 1892 | High | Unsatisfactory |
| Willow Springs #1 Jefferson County | 31 | 1963 | High | Fair |
| Willow Creek BOR CO Dam Grand County | 127 | 1953 | High | Not Available |
| Willow Creek Routt County | 100 | 1966 | High | Fair |
| Williams Creek Hinsdale County | 100 | 1958 | High | Satisfactory |
| Wildhorse Weld County | 20 | 1920 | High | Not Rated |
| Wildcat Pitkin County | 94 | 1953 | High | Fair |
| Western Hillside Reservoir Eagle County | 46 | 1997 | High | Satisfactory |
| Westerly Creek Denver County | 51 | 1991 | High | Satisfactory |
| West #1 Delta County | 49 | 1950 | High | Fair |
| Wellington Jefferson County | 84 | 1895 | High | Fair |
| Weir and Johnson Delta County | 23 | 1974 | High | Fair |
| Water Supply No 4 Larimer County | 33 | 1880 | High | Satisfactory |
| Water Supply No 3 Larimer County | 48 | 1944 | High | Satisfactory |
| Warren Lake Larimer County | 23 | 1882 | High | Satisfactory |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.