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 476–500 of 533
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Three Mile Jackson County | 16 | 1934 | Low | Fair |
| Thurston Lake Prowers County | 20 | 1928 | Significant | Fair |
| Timberline Jefferson County | 55 | — | Low | Fair |
| Tomahawk Gunnison County | 32 | 1957 | Significant | Fair |
| Tom Frost Broomfield County | 12 | 1951 | Low | Fair |
| Totten Montezuma County | 36 | 1965 | High | Fair |
| Trickle Delta County | 18 | 1907 | Low | Fair |
| Trout Lake San Miguel County | 43 | 1910 | High | Fair |
| Troutvale #1 (Upper) Hinsdale County | 12 | 1911 | Significant | Fair |
| Troutvale #2 (Lower) Hinsdale County | 15 | 1940 | Significant | Fair |
| Trujillo Meadows Conejos County | 57 | 1956 | High | Fair |
| Trustees Pueblo Ww #2 Pueblo County | 12 | 1889 | Low | Fair |
| Tumblesom Boulder County | 19 | 1918 | Low | Fair |
| Twin Basin Mesa County | 17 | 1912 | Low | Fair |
| Union #2 Jefferson County | 17 | 1982 | Low | Fair |
| Upper Cogdill Moffat County | 30 | 1956 | Low | Fair |
| Upper Eggleston Delta County | 17 | 1892 | Low | Fair |
| Upper Elk Reservoir Moffat County | 21 | 2012 | Low | Fair |
| Valmont 'A' Boulder County | 80 | 1962 | High | Fair |
| Viele Lake Boulder County | 24 | 1967 | Low | Fair |
| Vogler #1 Adams County | 33 | 1958 | Low | Fair |
| Waddle Creek Moffat County | 22 | 1946 | Low | Fair |
| Wade Jackson County | 15 | 1948 | Low | Fair |
| Wagon Tongue #2 Park County | 54 | 1974 | Low | Fair |
| Wahatoya Lake Huerfano County | 24 | 1901 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.