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 1901–1925 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Baehr Jefferson County | 11 | 1948 | Low | Fair |
| Badger Detention Mesa County | 31 | 1957 | Low | Unsatisfactory |
| Badding Adams County | 11 | 1888 | Significant | Fair |
| B-2 Moffat County | 25 | 1960 | Low | Satisfactory |
| Aurora-Rampart Douglas County | 62 | 1964 | Significant | Satisfactory |
| Ault Gunnison County | 51 | 1959 | Low | Not Rated |
| Augmentation Pond #6 Jefferson County | 47 | 1989 | Low | Not Rated |
| Aubert Mesa County | 42 | 1974 | Low | Not Rated |
| Aspen Lodge Larimer County | 16 | — | Significant | Satisfactory |
| Aspen Leaf Gunnison County | 30 | 1947 | Low | Not Rated |
| Aspen Lake El Paso County | 25 | 1956 | Low | Satisfactory |
| Aspaas La Plata County | 46 | 1980 | Low | Satisfactory |
| Arwpf Lagoon No. 4 Arapahoe County | 25 | 2009 | Low | Not Rated |
| Arrowhead Weld County | 38 | 1962 | Low | Not Rated |
| Arnold Flood Water Huerfano County | 19 | 1909 | Low | Fair |
| Arkansas Pond Lake County | 5 | — | Significant | Not Available |
| Arch Slough Delta County | 15 | 1888 | Low | Not Rated |
| Arapahoe Lake Arapahoe County | 23 | 1974 | Significant | Satisfactory |
| Aqua Fria Jackson County | 19 | 1944 | Low | Unsatisfactory |
| Apishapa Las Animas County | 41 | 1892 | High | Unsatisfactory |
| Apache Lake Reservoir Larimer County | 20 | 1980 | Low | Satisfactory |
| Antero Park County | 48 | 1909 | High | Satisfactory |
| Antelope Dam Jackson County | 10 | 1970 | Low | Unsatisfactory |
| Antelope Grand County | 40 | 1915 | Low | Satisfactory |
| Antelope Weld County | 15 | 1899 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.