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 876–900 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Jack Williams Las Animas County | 32 | 1965 | Low | Not Rated |
| Jacobs Ladder Archuleta County | 25 | 1981 | Low | Not Rated |
| James Marion Yoast Routt County | 23 | 1909 | Low | Fair |
| James Tingle Park County | 26 | 2009 | High | Satisfactory |
| Jasper Boulder County | 18 | 1988 | High | Satisfactory |
| J.C. Temple #1 Routt County | 30 | 1945 | Low | Not Rated |
| Jefferson Lake Park County | 33 | 1951 | High | Satisfactory |
| Jensen Mesa County | 7 | 1913 | Low | Not Rated |
| Jerry Creek #1 Mesa County | 57 | 1964 | High | Satisfactory |
| Jerry Creek #2 Mesa County | 150 | 1978 | High | Satisfactory |
| Jerry Creek Dike 1 Mesa County | 40 | 1978 | High | Satisfactory |
| Jett Baca County | 21 | 1948 | Low | Not Rated |
| Jewell Wetland Detention Arapahoe County | 21 | 2000 | Low | Not Rated |
| J.H. Holland No. 2 Pueblo County | 22 | 1949 | Low | Not Rated |
| J. J. Huddart No. 1 Broomfield County | 25 | 1962 | Low | Not Rated |
| J. M. Huerfano County | 12 | 1915 | Low | Fair |
| Joder Boulder County | 46 | 1962 | Low | Satisfactory |
| Joe Blake Water Treatment Plant Forebay Douglas County | 27 | 1986 | Significant | Satisfactory |
| Joe King #2 Mesa County | 35 | 2008 | Low | Fair |
| Joe Wilson Recr. Teller County | 36 | 1964 | Low | Not Rated |
| Joe Wright Larimer County | 148 | 1979 | High | Satisfactory |
| J. O. Hill Douglas County | 44 | 1964 | Significant | Satisfactory |
| John Keller Weld County | 19 | 1974 | Low | Satisfactory |
| John Martin Dam Bent County | 25 | 1943 | High | Not Available |
| John May #1 El Paso County | 25 | 1967 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.