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 426–450 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Dawn Bent County | 17 | 1965 | Low | Unsatisfactory |
| Dawson Mesa County | 20 | 1911 | Low | Not Rated |
| D.D. & E. Wise Rio Blanco County | 41 | 1946 | Significant | Fair |
| Decker Weld County | 14 | 1892 | Low | Fair |
| Deep Creek #2 Mesa County | 31 | 1906 | Significant | Fair |
| Deep Slough Delta County | 23 | 1965 | High | Fair |
| Deer Lake Larimer County | 10 | 1919 | Low | Not Rated |
| Deer Retention Dam #1 Mesa County | 27 | 1960 | Low | Not Rated |
| De France Weld County | 15 | 1883 | Low | Fair |
| Delta Control Delta County | 32 | 1961 | Low | Not Rated |
| Denny Lake Montezuma County | 8 | 1909 | Low | Not Rated |
| Devinney Jefferson County | 19 | 2006 | Significant | Satisfactory |
| Deweese Custer County | 63 | 1903 | High | Satisfactory |
| Diamond Weld County | 26 | 1940 | Low | Fair |
| Dickinson Irrigation Logan County | 32 | 1906 | Low | Not Rated |
| Diemer Reservoir Pitkin County | 18 | 1929 | Low | Not Rated |
| Dillon Summit County | 310 | 1963 | High | Satisfactory |
| Dillon Summit County | 310 | 1963 | High | Satisfactory |
| Dingwall Ditch Reg. Bent County | 32 | 1964 | Low | Not Rated |
| Divide Boulder County | 8 | 1879 | Low | Not Rated |
| Divide Creek Detention Dam Moffat County | 33 | 1959 | Low | Unsatisfactory |
| Dixon Larimer County | 9 | 1923 | Low | Not Rated |
| Dixon Canyon Larimer County | 14 | 1885 | Significant | Satisfactory |
| Dodd Boulder County | 12 | 1875 | Low | Satisfactory |
| D.O.E. Rocky Flats A-4 Jefferson County | 54 | 1979 | Low | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.