Dams in La Plata County, Colorado
34Total Dams
11High Hazard
8Significant
Dam Safety in La Plata County, Colorado
La Plata County has 34 dams tracked in the National Inventory of Dams. Of these, 11 are classified as high hazard — meaning failure would probably cause loss of human life. Another 8 carry a significant hazard classification.
The average dam in La Plata County is 63 years old. The most common purpose is irrigation. The tallest dam is Lemon Dam at 284 ft.
Explore more: Oldest dams in Colorado · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lemon Dam | High | Not Available | 284 | Fish and Wildlife Pond | 1963 |
| Ridges Basin Dam | High | Not Available | 273 | Water Supply | 2008 |
| Vallecito Dam | High | Not Available | 162 | Fish and Wildlife Pond | 1941 |
| Long Hollow | High | Satisfactory | 110 | Irrigation | 2014 |
| Red Mesa Ward | High | Fair | 61 | Irrigation | 1915 |
| Johnson | High | Satisfactory | 55 | Water Supply | 1982 |
| Turner | High | Satisfactory | 46 | Recreation | 1969 |
| Durango Terminal | High | Satisfactory | 45 | Water Supply | 1954 |
| Wommer #1 | High | Fair | 38 | Water Supply | 1952 |
| Haviland Lake | High | Satisfactory | 27 | Fish and Wildlife Pond | 1927 |
| Stagecoach | High | Satisfactory | 12 | Hydroelectric | |
| Keeler | Significant | Fair | 50 | Recreation | 1945 |
| Henderson Lake | Significant | Not Rated | 33 | Fish and Wildlife Pond | 1967 |
| Duncan | Significant | Satisfactory | 31 | Other | 1978 |
| Pastorius - Main Dam | Significant | Not Rated | 27 | Irrigation | 1903 |
| Thibodeaux | Significant | Satisfactory | 18 | Recreation | |
| Pastorius - East Dike | Significant | Fair | 15 | Irrigation | 1923 |
| Griggs | Significant | Fair | 13 | Water Supply | 1999 |
| Southern Pond Open Space | Significant | Not Rated | 11 | Flood Risk Reduction | 2006 |
| Pine River Watershed P. R. 2 | Low | Not Rated | 60 | Flood Risk Reduction | 1968 |
| Pine River Watershed P. R. 1 | Low | Not Rated | 55 | Flood Risk Reduction | 1967 |
| Aspaas | Low | Satisfactory | 46 | Hydroelectric | 1980 |
| Charles Lemon R R | Low | Not Rated | 39 | Fish and Wildlife Pond | 1971 |
| Granite Dam | Low | Fair | 31 | Fish and Wildlife Pond | 1983 |
| Upper Railroad | Low | Not Rated | 29 | Irrigation | 1960 |
| Warner #5 | Low | Satisfactory | 26 | Fish and Wildlife Pond | 1970 |
| Muleshoe | Low | Not Rated | 24 | Irrigation | 1996 |
| Amber | Low | Not Rated | 23 | Irrigation | 1989 |
| Kem Lake | Low | Not Rated | 20 | Fish and Wildlife Pond | 1984 |
| Taylor | Low | Not Rated | 19 | Fish and Wildlife Pond | 1971 |
| Johnson #2 | Low | Not Rated | 18 | Irrigation | |
| Short | Low | Not Rated | 16 | Irrigation | 1940 |
| Durango #1 | Low | Not Rated | 16 | Water Supply | 1899 |
| Lake Of The Pines | Low | Not Rated | 11 | Water Supply | 1920 |