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 1176–1200 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hermosa Valley Las Animas County | 46 | 1922 | Low | Satisfactory |
| Hermit #4 Hinsdale County | 12 | 1947 | Low | Satisfactory |
| Hermit #3 Hinsdale County | 10 | 1965 | Low | Not Rated |
| Hermit #2 Hinsdale County | 10 | 1889 | Low | Not Rated |
| Hermit #1 Hinsdale County | 13 | 1889 | Low | Satisfactory |
| Herman Fritzler Ec #1 Kit Carson County | 28 | 1974 | Low | Fair |
| Henry'S Lake Jefferson County | 12 | 1972 | Low | Satisfactory |
| Henderson Lake La Plata County | 33 | 1967 | Significant | Not Rated |
| Heini Grand County | 12 | 1904 | Low | Satisfactory |
| Hecla Boulder County | 12 | 1915 | Low | Fair |
| Hecla Jackson County | 21 | 1951 | Low | Not Rated |
| Heart Lake North Dike Garfield County | 24 | 1953 | Low | Unsatisfactory |
| Heart Lake Garfield County | 43 | 1953 | High | Fair |
| Heart Lake Rio Blanco County | 14 | 1892 | Low | Fair |
| Heart Weld County | 26 | 1906 | Low | Fair |
| Headley Morgan County | 19 | 1964 | Low | Unsatisfactory |
| Haystack Douglas County | 22 | 1964 | Low | Not Rated |
| Hay Press Park - Dam #2 Mineral County | 13 | 1922 | Low | Fair |
| Hay Press Park - Dam #1 Mineral County | 30 | 1922 | Low | Not Rated |
| Haymes Storage El Paso County | 22 | 1887 | Low | Unsatisfactory |
| Hayden Raw Water Ponds Routt County | 36 | 1965 | Low | Not Rated |
| Hayden Plant Recycled Water Routt County | 28 | 1976 | Low | Not Rated |
| Hayden Boulder County | 27 | 1905 | High | Fair |
| Haxton Diversion Moffat County | 19 | — | Low | Not Rated |
| Hawxhurst Mesa County | 24 | 1911 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.