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 751–775 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mcginnis Meadows Reservoir Garfield County | 20 | 1944 | Significant | Not Rated |
| Mcgechie Montezuma County | 30 | 1958 | Significant | Not Rated |
| Mcelroy Grand County | 50 | 1931 | Low | Not Rated |
| Mcdonough #2 Saguache County | 38 | 1954 | Low | Satisfactory |
| Mcdonough #1 Saguache County | 66 | 1950 | Low | Not Rated |
| Mccullough El Paso County | 70 | 1990 | Significant | Satisfactory |
| Mc Cormick #1 Saguache County | 11 | 1972 | Low | Not Rated |
| Mcchivvis Routt County | 61 | 1951 | Low | Not Rated |
| Mccaslin Boulder County | 16 | 1908 | Low | Satisfactory |
| Mccargar Routt County | 23 | 1974 | Low | Satisfactory |
| Mccall Boulder County | 14 | 1909 | High | Satisfactory |
| Mayflower Pond # 5 Summit County | 237 | — | High | Not Available |
| Maxwell Creek Jefferson County | 31 | 1982 | Low | Fair |
| Max Killian Dam #1 Elbert County | 34 | 1971 | Low | Fair |
| Mattingly Larimer County | 54 | 1969 | Low | Not Rated |
| Matheson Grand County | 60 | 1951 | Significant | Unsatisfactory |
| Mason, George Elbert County | 23 | 1972 | Low | Satisfactory |
| Mason Teller County | 73 | 1903 | High | Satisfactory |
| Marys Lake Dike 2 Larimer County | 35 | 1949 | High | Not Available |
| Martin Seepage #2 Larimer County | 22 | 1968 | Low | Unsatisfactory |
| Martin Lily Pond Grand County | 20 | 1939 | Low | Fair |
| Martin Lake Huerfano County | 29 | 1910 | High | Satisfactory |
| Martin Cull Moffat County | 53 | 1955 | Low | Satisfactory |
| Martin Grand County | 23 | 1913 | Low | Satisfactory |
| Martin Routt County | 38 | 1960 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.