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 676–700 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Monument Lake El Paso County | 47 | 1893 | Significant | Satisfactory |
| Monument Lake Las Animas County | 34 | 1935 | High | Fair |
| Monument #2 Mesa County | 20 | 1954 | Low | Fair |
| Monument #1 Mesa County | 35 | 1960 | Significant | Fair |
| Monument Gunnison County | 76 | 1889 | High | Fair |
| Montgomery Park County | 112 | 1956 | High | Satisfactory |
| Montez #5 Huerfano County | 10 | 1909 | Low | Not Rated |
| Monarch Lake Grand County | 25 | 1929 | High | Not Rated |
| Molina Equalizing Reservoir Dam Mesa County | 30 | 1962 | Low | Not Available |
| Mole-Richardson #3 Mesa County | 33 | 1973 | Low | Not Rated |
| Mole-Richardson #2 Mesa County | 40 | 1973 | Low | Fair |
| Moeller Weld County | 21 | 1898 | Low | Not Rated |
| Mock #1 Montrose County | 25 | 1929 | Low | Not Rated |
| Mitchell Creek Douglas County | 14 | 1987 | Low | Satisfactory |
| Mitchell #3 Larimer County | 11 | 1890 | Low | Not Rated |
| Mirror Lake #1 Mesa County | 33 | 1957 | Low | Satisfactory |
| Miramonte San Miguel County | 87 | 1978 | High | Unsatisfactory |
| Minnie Weld County | 10 | 1882 | Low | Not Rated |
| Minkler, Eldon Det. #1 El Paso County | 24 | 1970 | Low | Fair |
| Milton Seaman Larimer County | 120 | 1948 | High | Satisfactory |
| Milton Lake Weld County | 55 | 1911 | High | Satisfactory |
| Millspaugh Moffat County | 31 | 1948 | Low | Fair |
| Million Reservoir Rio Grande County | 25 | 1953 | High | Not Rated |
| Million Dollar Douglas County | 10 | 1984 | Significant | Fair |
| Miller Creek Routt County | 10 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.