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 1726–1750 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Teller Lake No. 5 - West Boulder County | 9 | 1911 | Low | Not Rated |
| Teller No. 2 Boulder County | 12 | 1904 | Low | Fair |
| Ten Mile Pond #3 Dam Summit County | 416 | — | High | Not Available |
| Tepper No. 1 Jefferson County | 22 | 1912 | Low | Not Rated |
| Terminal Broomfield County | 60 | 1995 | High | Satisfactory |
| Terminal La Plata County | 78 | 1982 | High | Fair |
| Terrace Conejos County | 183 | 1912 | High | Fair |
| Terry Lake Larimer County | 40 | 1890 | High | Satisfactory |
| Thatcher Pueblo County | 12 | 1971 | Low | Satisfactory |
| Theos Reservoir #1 Rio Blanco County | 14 | 1973 | Low | Satisfactory |
| The Ranch Adams County | 27 | 1979 | Significant | Satisfactory |
| Thibodeaux La Plata County | 18 | — | Significant | Satisfactory |
| Thomas Pitkin County | 32 | 1938 | Significant | Fair |
| Thomas Archuleta County | 17 | 1966 | Low | Unsatisfactory |
| Thompson Weld County | 11 | 1888 | Low | Not Rated |
| Thompson #2 Mesa County | 34 | 1953 | Low | Fair |
| Three Mile Jackson County | 16 | 1934 | Low | Fair |
| Thurston Lake Prowers County | 20 | 1928 | Significant | Fair |
| Tigers Adams County | 10 | 2004 | Low | Not Rated |
| Timberline Jefferson County | 55 | — | Low | Fair |
| Timpas 1_(Browning & Reese #1) Otero County | 20 | 1916 | Low | Not Rated |
| Todd Delta County | 37 | 1905 | Low | Satisfactory |
| Todd Adams County | 16 | 1952 | Low | Not Rated |
| Tolle & Ditch #1 Pueblo County | 16 | 1945 | Low | Not Rated |
| Tomahawk Gunnison County | 32 | 1957 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.