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 451–475 of 533
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Soward #4 Mineral County | 17 | 1909 | Low | Fair |
| Spanish Peaks Ranch #13 Las Animas County | 34 | 1957 | Low | Fair |
| Spence Archuleta County | 58 | 1965 | Significant | Fair |
| Spires Broadmoor North Debris Dam El Paso County | 38 | 2005 | High | Fair |
| Spires Broadmoor South Debris Dam El Paso County | 32 | 2005 | High | Fair |
| Spring Creek Archuleta County | 13 | 1930 | Low | Fair |
| Spring Park Eagle County | 20 | 1911 | High | Fair |
| Spruce Lake #2 (Lower) Mineral County | 19 | 1926 | Low | Fair |
| St. Charles #3 Pueblo County | 53 | 1913 | High | Fair |
| St. Charles Mesa Pueblo County | 23 | 1975 | Significant | Fair |
| Stell Lake Delta County | 17 | 1956 | Low | Fair |
| Sterner Routt County | 28 | 1953 | Low | Fair |
| Stratton Teller County | 30 | 1919 | High | Fair |
| Sullivan Moffat County | 39 | 1951 | Low | Fair |
| Sunny Acres Adams County | 33 | 1963 | Low | Fair |
| Sunny Slope Larimer County | 16 | — | Significant | Fair |
| Sunset Lake Boulder County | 15 | — | Low | Fair |
| Sutphin Prowers County | 12 | 1991 | Low | Fair |
| Sylvan Grand County | 40 | 1910 | High | Fair |
| Teller Pueblo County | 85 | 1908 | High | Fair |
| Teller No. 2 Boulder County | 12 | 1904 | Low | Fair |
| Terminal La Plata County | 78 | 1982 | High | Fair |
| Terrace Conejos County | 183 | 1912 | High | Fair |
| Thomas Pitkin County | 32 | 1938 | Significant | Fair |
| Thompson #2 Mesa County | 34 | 1953 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.