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 576–600 of 691
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Six Mile - Main Boulder County | 52 | 1892 | High | Satisfactory |
| Slab Canyon Larimer County | 26 | 1937 | Low | Satisfactory |
| Smith Costilla County | 42 | 1914 | Significant | Satisfactory |
| Smith Irrigation Adams County | 22 | 1908 | High | Satisfactory |
| Snyder Morgan County | 12 | 1902 | Low | Satisfactory |
| South Gray Larimer County | 24 | 1976 | Low | Satisfactory |
| South Lake El Paso County | 65 | 1973 | High | Satisfactory |
| South Platte Reservoir Arapahoe County | 83 | 2007 | High | Satisfactory |
| South Side Larimer County | 31 | 1921 | Significant | Satisfactory |
| South Suburban El Paso County | 55 | 1932 | High | Satisfactory |
| South Tani Reservoir Adams County | 22 | 2006 | High | Satisfactory |
| Soward #2 Mineral County | 12 | 1910 | Low | Satisfactory |
| Spectacle San Miguel County | 26 | 1940 | Low | Satisfactory |
| Spinney Mountain Park County | 100 | 1982 | High | Satisfactory |
| Spring Run #2 El Paso County | 39 | 1970 | High | Satisfactory |
| Spruce Lake #1 (Upper) Mineral County | 19 | 1926 | Low | Satisfactory |
| Stagecoach Routt County | 150 | 1988 | High | Satisfactory |
| Stainton #3 Garfield County | 11 | 1983 | Significant | Satisfactory |
| Standley Lake Jefferson County | 123 | 1913 | High | Satisfactory |
| St. Charles #2 Pueblo County | 40 | 1913 | High | Satisfactory |
| St. Charles Mesa #2 Pueblo County | 44 | 1980 | High | Satisfactory |
| Steele Brothers #1 Boulder County | 12 | 1918 | Low | Satisfactory |
| Stevens Archuleta County | 46 | 1948 | High | Satisfactory |
| Stouffer #1 Adams County | 12 | 1906 | Low | Satisfactory |
| Strontia Springs Douglas County | 299 | 1982 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.