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 1251–1275 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| M.H. No. 2 - North Dam Elbert County | 10 | 1907 | Low | Not Rated |
| Miantenoma Weld County | 22 | 1895 | Low | Not Rated |
| Michaelson #1 Mesa County | 22 | 1926 | Low | Fair |
| Middle Canyon Creek Mesa County | 28 | 1980 | Low | Fair |
| Middle Fork Garfield County | 130 | 1984 | High | Satisfactory |
| Middlemist Elbert County | 22 | 1907 | Low | Not Rated |
| Middle Pond Weld County | 9 | 2017 | Low | Unsatisfactory |
| Military Park Delta County | 21 | 1961 | Low | Satisfactory |
| Milk Creek Grand County | 34 | 1913 | Low | Not Rated |
| Mill Creek Dam No 1 Hinsdale County | 18 | 1954 | Significant | Not Rated |
| Mill Creek No 2 Hinsdale County | 23 | 1955 | Significant | Not Rated |
| Miller Adams County | 53 | 2008 | Low | Unsatisfactory |
| Miller Creek Routt County | 10 | — | Low | Not Rated |
| Million Dollar Douglas County | 10 | 1984 | Significant | Fair |
| Million Reservoir Rio Grande County | 25 | 1953 | High | Not Rated |
| Millspaugh Moffat County | 31 | 1948 | Low | Fair |
| Milton Lake Weld County | 55 | 1911 | High | Satisfactory |
| Milton Seaman Larimer County | 120 | 1948 | High | Satisfactory |
| Minkler, Eldon Det. #1 El Paso County | 24 | 1970 | Low | Fair |
| Minnie Weld County | 10 | 1882 | Low | Not Rated |
| Miramonte San Miguel County | 87 | 1978 | High | Unsatisfactory |
| Mirror Lake #1 Mesa County | 33 | 1957 | Low | Satisfactory |
| Mitchell #3 Larimer County | 11 | 1890 | Low | Not Rated |
| Mitchell Creek Douglas County | 14 | 1987 | Low | Satisfactory |
| Mock #1 Montrose County | 25 | 1929 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.