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 351–375 of 451
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Senac Arapahoe County | 163 | 1990 | High | Satisfactory |
| Shadow Mountain Dam Grand County | 63 | 1946 | High | Not Available |
| Shavano Valley #1-Sv-1 Montrose County | 54 | 1993 | High | Satisfactory |
| Shavano Valley #2-Sv-2 Montrose County | 50 | 1996 | High | Satisfactory |
| Sheriff Rio Blanco County | 72 | 1955 | High | Unsatisfactory |
| Shoshone Diversion Dam Garfield County | 32 | 1909 | High | Not Rated |
| Siena Broomfield County | 41 | 2004 | High | Satisfactory |
| Silver Jack Dam Gunnison County | 173 | 1971 | High | Not Available |
| Silver Lake Boulder County | 70 | 1887 | High | Fair |
| Six Mile - Main Boulder County | 52 | 1892 | High | Satisfactory |
| Skeel Denver County | 40 | 1900 | High | Unsatisfactory |
| Smith Jefferson County | 40 | 1908 | High | Unsatisfactory |
| Smith Irrigation Adams County | 22 | 1908 | High | Satisfactory |
| Somerville-Mccullah Mesa County | 46 | 1972 | High | Fair |
| South Catamount Teller County | 100 | 1935 | High | Fair |
| South Lake El Paso County | 65 | 1973 | High | Satisfactory |
| South Platte Reservoir Arapahoe County | 83 | 2007 | High | Satisfactory |
| South Suburban El Paso County | 55 | 1932 | High | Satisfactory |
| South Tani Reservoir Adams County | 22 | 2006 | High | Satisfactory |
| Spinney Mountain Park County | 100 | 1982 | High | Satisfactory |
| 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 Gunnison County | 76 | 1961 | High | Unsatisfactory |
| Spring Gulch Dam Douglas County | 68 | 1977 | High | Not Available |
| Spring Park Eagle County | 20 | 1911 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.