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 176–200 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Twombley Weld County | 13 | 1931 | Low | Satisfactory |
| Two Buttes Baca County | 106 | 1908 | High | Satisfactory |
| Twin Lakes Reservoir Larimer County | 41 | 1998 | Significant | Satisfactory |
| Twin Lakes Dam Lake County | 100 | 1978 | High | Not Available |
| Twin Lakes Larimer County | 15 | 1904 | Low | Not Rated |
| Twin Lakes Montrose County | 29 | 1951 | Low | Not Rated |
| Twin Lake #2 Delta County | 19 | 1975 | Low | Not Rated |
| Twin Lake #1 Delta County | 21 | 1889 | Low | Satisfactory |
| Twin Basin Mesa County | 17 | 1912 | Low | Fair |
| Turner La Plata County | 46 | 1969 | High | Satisfactory |
| Turks Pond Baca County | 38 | 1952 | Low | Satisfactory |
| Tumblesom Boulder County | 19 | 1918 | Low | Fair |
| Tucker Rearing Ponds No 1 Mineral County | 25 | 1938 | Low | Not Rated |
| Tucker Lake - South Dam Jefferson County | 29 | 1899 | High | Satisfactory |
| Tucker Lake - North Dam Jefferson County | 29 | 1906 | High | Satisfactory |
| Trustees Pueblo Ww #2 Pueblo County | 12 | 1889 | Low | Fair |
| Trustees Pueblo Ww #1 Pueblo County | 12 | 1969 | Low | Not Rated |
| Trull Creek #1 Routt County | 34 | 1972 | Low | Satisfactory |
| Trujillo Meadows Conejos County | 57 | 1956 | High | Fair |
| Troutvale #2 (Lower) Hinsdale County | 15 | 1940 | Significant | Fair |
| Troutvale #1 (Upper) Hinsdale County | 12 | 1911 | Significant | Fair |
| Trout Lake San Miguel County | 43 | 1910 | High | Fair |
| Trout Lake Hinsdale County | 15 | 1931 | Low | Not Rated |
| Trout Creek Chaffee County | 70 | 2001 | High | Not Rated |
| Trojanovich Elbert County | 37 | 1970 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.