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 226–250 of 451
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lemon Dam La Plata County | 284 | 1963 | High | Not Available |
| Leon Lake Mesa County | 30 | 1898 | High | Unsatisfactory |
| Lester Creek Routt County | 110 | 1962 | High | Fair |
| Leyden Jefferson County | 47 | 1902 | High | Satisfactory |
| Lily Lake Dam Larimer County | 15 | 1913 | High | Not Available |
| Limon Watershed L-1 Lincoln County | 41 | 1964 | High | Satisfactory |
| Little King Ranch Grand County | 65 | 1968 | High | Unsatisfactory |
| Loch Lomond Clear Creek County | 45 | 1963 | High | Fair |
| Lone Cone San Miguel County | 27 | 1912 | High | Fair |
| Long Draw Larimer County | 88 | 1975 | High | Satisfactory |
| Long Hollow La Plata County | 110 | 2014 | High | Satisfactory |
| Long Lake Routt County | 20 | 1942 | High | Satisfactory |
| Longmont Wtp Forebay Embankment Boulder County | 20 | 2005 | High | Satisfactory |
| Long Pond Larimer County | 34 | 1922 | High | Satisfactory |
| Lon Hagler Larimer County | 71 | 1967 | High | Satisfactory |
| Lookout Mountain Jefferson County | 60 | 1903 | High | Satisfactory |
| Loveland Water Storage Larimer County | 152 | 1977 | High | Satisfactory |
| Lower Beaver Brook Clear Creek County | 54 | 2022 | High | Satisfactory |
| Lower Chinns Clear Creek County | 18 | 1934 | High | Not Rated |
| Lower Long Lake Jefferson County | 19 | 1939 | High | Unsatisfactory |
| Lower Urad Clear Creek County | 90 | 1965 | High | Satisfactory |
| Magic Mountain #1 Jefferson County | 56 | 1958 | High | Not Rated |
| Main Jefferson County | 46 | 1908 | High | Satisfactory |
| Manitou El Paso County | 124 | 1971 | High | Fair |
| Maple Grove Jefferson County | 59 | 1956 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.