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 676–691 of 691
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Arapahoe Lake Arapahoe County | 23 | 1974 | Significant | Satisfactory |
| Apache Lake Reservoir Larimer County | 20 | 1980 | Low | Satisfactory |
| Antero Park County | 48 | 1909 | High | Satisfactory |
| Antelope Grand County | 40 | 1915 | Low | Satisfactory |
| Annex #8 Larimer County | 26 | 1903 | Significant | Satisfactory |
| Angel Lake Weld County | 16 | 1899 | Significant | Satisfactory |
| A. M. Puett Montezuma County | 52 | 1960 | Significant | Satisfactory |
| Allen Lake Boulder County | 24 | 1928 | Significant | Satisfactory |
| Alicia Lake Eagle County | 13 | 1906 | Low | Satisfactory |
| Akers & Tarr Weld County | 38 | 1918 | Significant | Satisfactory |
| Agate No 1 Elbert County | 18 | 1890 | Low | Satisfactory |
| Adobe Creek Bent County | 41 | 1904 | High | Satisfactory |
| Adams & Bunker #2 Weld County | 14 | 1973 | Low | Satisfactory |
| Abbey Detention Basin Fremont County | 17 | 2005 | Significant | Satisfactory |
| 40th Street Dentention Basin Pueblo County | 21 | 1998 | Significant | Satisfactory |
| 3 Elk Dam Chaffee County | 38 | 1973 | Low | Satisfactory |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.