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 426–450 of 691
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hatcher Archuleta County | 51 | 1965 | High | Satisfactory |
| Harwood'S Storage Reservoir Jefferson County | 36 | 1955 | Significant | Satisfactory |
| Harvey - Murry Fremont County | 48 | 1953 | Low | Satisfactory |
| Hartman Retention Mesa County | 24 | 1957 | Low | Satisfactory |
| Harry Denning Irrigation #3 Weld County | 27 | 1962 | Low | Satisfactory |
| Harris Park Estates #2 Park County | 27 | 1964 | Low | Satisfactory |
| Harris Park Estates #1 Park County | 24 | 1955 | Significant | Satisfactory |
| Harris Brothers and Boone #2 Archuleta County | 18 | 1947 | Low | Satisfactory |
| Harriman Jefferson County | 38 | 2013 | High | Satisfactory |
| Harper Lake Boulder County | 11 | 1985 | High | Satisfactory |
| Hanson #2 Delta County | 39 | 1925 | Low | Satisfactory |
| Hallenbeck #1 Mesa County | 43 | 1970 | High | Satisfactory |
| Hahns Peak Routt County | 38 | 1978 | Low | Satisfactory |
| G.W. Verhoeff Bent County | 24 | 1947 | Low | Satisfactory |
| Guanella Clear Creek County | 40 | 2004 | High | Satisfactory |
| Grove Creek #2 Mesa County | 16 | 1911 | Low | Satisfactory |
| Griggs Grand County | 20 | 1948 | Low | Satisfactory |
| Gregor Rio Blanco County | 11 | 1911 | Low | Satisfactory |
| Green Lake No. 3 Boulder County | 28 | 1907 | Low | Satisfactory |
| Green Lake Clear Creek County | 8 | 1914 | Significant | Satisfactory |
| Greeley Lake West Weld County | 23 | 1979 | Significant | Satisfactory |
| Goose Lake Boulder County | 32 | 1908 | Significant | Satisfactory |
| Gold Lake #3 Boulder County | 9 | 1879 | Significant | Satisfactory |
| Gold Lake #2 Boulder County | 19 | 1879 | Significant | Satisfactory |
| Gold Lake #1 Boulder County | 24 | 1879 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.