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 1101–1125 of 1,217
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Trustees Pueblo Ww #2 Pueblo County | 12 | 1889 | Low | Fair |
| Tucker Rearing Ponds No 1 Mineral County | 25 | 1938 | Low | Not Rated |
| Tumblesom Boulder County | 19 | 1918 | Low | Fair |
| Turks Pond Baca County | 38 | 1952 | Low | Satisfactory |
| Twin Basin Mesa County | 17 | 1912 | Low | Fair |
| Twin Lake #1 Delta County | 21 | 1889 | Low | Satisfactory |
| Twin Lake #2 Delta County | 19 | 1975 | Low | Not Rated |
| Twin Lakes Larimer County | 15 | 1904 | Low | Not Rated |
| Twin Lakes Montrose County | 29 | 1951 | Low | Not Rated |
| Twombley Weld County | 13 | 1931 | Low | Satisfactory |
| Tyler Montrose County | 49 | 1955 | Low | Not Rated |
| Union #2 Jefferson County | 17 | 1982 | Low | Fair |
| Unocal Storage Pond #3 Garfield County | 21 | 1989 | Low | Satisfactory |
| Upper Chinns Clear Creek County | 29 | 1937 | Low | Satisfactory |
| Upper Cogdill Moffat County | 30 | 1956 | Low | Fair |
| Upper Dome Saguache County | 50 | 1975 | Low | Not Rated |
| Upper Eggleston Delta County | 17 | 1892 | Low | Fair |
| Upper Elk Reservoir Moffat County | 21 | 2012 | Low | Fair |
| Upper Grand Creek Ranch Reservoir Grand County | 34 | 2015 | Low | Not Rated |
| Upper Hotel Lake Delta County | 15 | 1886 | Low | Not Rated |
| Upper Lone Tree Fremont County | 17 | 1895 | Low | Not Rated |
| Upper Michigan Park County | 21 | 1889 | Low | Not Rated |
| Upper Mount Olivet Jefferson County | 12 | 1966 | Low | Not Rated |
| Upper Railroad La Plata County | 29 | 1960 | Low | Not Rated |
| Upper Robinson Routt County | 33 | — | Low | Unsatisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.