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 1951–1962 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Wykert #1 Weld County | 12 | 1964 | Low | Fair |
| Wykert #2 Weld County | 14 | 1964 | Low | Unsatisfactory |
| Wykert #4 Weld County | 12 | 1965 | Low | Fair |
| Wyman Rio Blanco County | 27 | 1903 | Low | Satisfactory |
| Yamcolo Garfield County | 110 | 1980 | High | Fair |
| Y and S Delta County | 27 | 1959 | Low | Not Rated |
| Yarmony Routt County | 32 | 1903 | Low | Fair |
| Youngs Creek #1 & 2 Delta County | 57 | 1952 | High | Fair |
| Youngs Creek #3 Delta County | 21 | 1894 | Significant | Fair |
| Y T Ranch Mesa County | 35 | 1911 | High | Unsatisfactory |
| Ziff Dam Pitkin County | 29 | 1992 | Low | Not Rated |
| Zimmerman Lake Larimer County | 10 | 1913 | Low | Not Rated |
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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.