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 776–800 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Heart Lake North Dike Garfield County | 24 | 1953 | Low | Unsatisfactory |
| Hecla Jackson County | 21 | 1951 | Low | Not Rated |
| Hecla Boulder County | 12 | 1915 | Low | Fair |
| Heini Grand County | 12 | 1904 | Low | Satisfactory |
| Henderson Lake La Plata County | 33 | 1967 | Significant | Not Rated |
| Henry'S Lake Jefferson County | 12 | 1972 | Low | Satisfactory |
| Herman Fritzler Ec #1 Kit Carson County | 28 | 1974 | Low | Fair |
| Hermit #1 Hinsdale County | 13 | 1889 | Low | Satisfactory |
| Hermit #2 Hinsdale County | 10 | 1889 | Low | Not Rated |
| Hermit #3 Hinsdale County | 10 | 1965 | Low | Not Rated |
| Hermit #4 Hinsdale County | 12 | 1947 | Low | Satisfactory |
| Hermosa Valley Las Animas County | 46 | 1922 | Low | Satisfactory |
| Hertha Larimer County | 32 | 1958 | Significant | Satisfactory |
| Hertneky, Ed Elbert County | 23 | 1971 | Low | Not Rated |
| H. H. Moore Divide Teller County | 33 | 1946 | Low | Satisfactory |
| Hiawatha Larimer County | 14 | 1888 | Significant | Satisfactory |
| Hidden Lake Adams County | 14 | 1958 | Low | Fair |
| Hidden Spring Eagle County | 10 | 1966 | Low | Not Rated |
| Higgins Adams County | 8 | 1893 | Low | Not Rated |
| Highland Weld County | 17 | 1900 | Low | Unsatisfactory |
| Highland #1 Weld County | 17 | 1879 | Significant | Satisfactory |
| Highland #2 (North) Boulder County | 41 | 1881 | Significant | Satisfactory |
| Highland #2 (South) Boulder County | 41 | 1881 | Significant | Satisfactory |
| Highland #3 Weld County | 21 | 1881 | Significant | Satisfactory |
| Highland Mary San Juan County | 28 | 1903 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.