129Total Dams
16High Hazard
17Significant
Dam Safety in Weld County, Colorado
Weld County has 129 dams tracked in the National Inventory of Dams. Of these, 16 are classified as high hazard — meaning failure would probably cause loss of human life. Another 17 carry a significant hazard classification. Currently, 7 dams have a condition assessment of poor or unsatisfactory.
The average dam in Weld County is 100 years old. The most common purpose is irrigation. The tallest dam is Bull Canal (main Reservoir) at 65 ft.
Explore more: Oldest dams in Colorado · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Bull Canal (main Reservoir) | High | Satisfactory | 65 | Irrigation | 1982 |
| Milton Lake | High | Satisfactory | 55 | Irrigation | 1911 |
| Windsor | High | Satisfactory | 43 | Irrigation | 1978 |
| Black Hollow | High | Satisfactory | 42 | Irrigation | 1918 |
| Riverside | High | Satisfactory | 41 | Irrigation | 1908 |
| Horse Creek | High | Satisfactory | 39 | Irrigation | 1910 |
| Fort Lupton Terminal | High | Satisfactory | 38 | Water Supply | 2018 |
| Empire (mcintyre Dike) | High | Satisfactory | 35 | Fish and Wildlife Pond | 1905 |
| Empire (nw Embankment) | High | Satisfactory | 35 | Fish and Wildlife Pond | 1905 |
| Empire (outlet Embankment) | High | Satisfactory | 34 | Fish and Wildlife Pond | 1905 |
| Erickson | High | Fair | 21 | Irrigation | 1906 |
| Mundt | High | Satisfactory | 20 | Irrigation | 2020 |
| Wildhorse | High | Not assessed | 20 | Irrigation | 1920 |
| Johnstown | High | Satisfactory | 19 | Water Supply | 1925 |
| Hunters Overlook Reservoir | High | Satisfactory | 19 | Irrigation | 2018 |
| Windsor Lake | High | Satisfactory | 11 | Irrigation | 1904 |
| New Thomas | Significant | Satisfactory | 57 | Water Supply | 1976 |
| Prospect | Significant | Satisfactory | 45 | Irrigation | 1914 |
| Akers & Tarr | Significant | Satisfactory | 38 | Irrigation | 1918 |
| Union | Significant | Satisfactory | 33 | Irrigation | 1902 |
| Coal Ridge Waste Dam #1 | Significant | Satisfactory | 31 | Irrigation | 1954 |
| Little Thompson | Significant | Satisfactory | 29 | Irrigation | 1896 |
| Lower Latham | Significant | Satisfactory | 27 | Irrigation | 1900 |
| Woods Lake | Significant | Satisfactory | 26 | Irrigation | 1892 |
| Loup Lake | Significant | Satisfactory | 24 | Irrigation | 1931 |
| Greeley Lake West | Significant | Satisfactory | 23 | Irrigation | 1979 |
| Highland #3 | Significant | Satisfactory | 21 | Irrigation | 1881 |
| Cornish Plains Reservoir | Significant | Satisfactory | 21 | Irrigation | 2007 |
| Frederick | Significant | Satisfactory | 19 | Fish and Wildlife Pond | 1892 |
| Highland #1 | Significant | Satisfactory | 17 | Irrigation | 1879 |
| Angel Lake | Significant | Satisfactory | 16 | Irrigation | 1899 |
| Clennon | Significant | Satisfactory | 14 | Irrigation | 1879 |
| Eaton - Law | Significant | Unsatisfactory | 9 | Irrigation | 1892 |
| Coal Bank Watershed Cb-1 | Low | Fair | 64 | Flood Risk Reduction | 1961 |
| 70 Ranch | Low | Not assessed | 50 | Irrigation | 2019 |
| Bull Canal Lagoon Cell 3 East | Low | Not assessed | 49 | Other | 1982 |
| Arrowhead | Low | Not assessed | 38 | Irrigation | 1962 |
| Perry | Low | Not assessed | 35 | Irrigation | 1955 |
| Bull Canal Lagoon Cell 3 West | Low | Unsatisfactory | 32 | Other | 1982 |
| Boomerang | Low | Satisfactory | 30 | Irrigation | 1990 |
| Little Gem | Low | Satisfactory | 30 | Irrigation | 1902 |
| Seven Reverse Y #1 | Low | Satisfactory | 29 | Irrigation | 1965 |
| Rehmer | Low | Unsatisfactory | 28 | Irrigation | 1957 |
| Eagle Rock | Low | Fair | 27 | Recreation | 1968 |
| Myron Isabel | Low | Satisfactory | 27 | Irrigation | |
| Harry Denning Irrigation #3 | Low | Satisfactory | 27 | Irrigation | 1962 |
| Heart | Low | Fair | 26 | Fire Protection, Stock, Or Small Fish Pond | 1906 |
| Diamond | Low | Fair | 26 | Irrigation | 1940 |
| Fulton Waste | Low | Fair | 26 | Irrigation | 1905 |
| Dover | Low | Fair | 24 | Irrigation | 1911 |
| Olds | Low | Not assessed | 23 | Other | 1918 |
| Charles Wilson Detention Dam #1 | Low | Not assessed | 23 | Flood Risk Reduction | 1964 |
| Miantenoma | Low | Not assessed | 22 | Irrigation | 1895 |
| Sloan #1 | Low | Not assessed | 22 | Irrigation | 1959 |
| Moeller | Low | Not assessed | 21 | Irrigation | 1898 |
| Giffin #2 (upper) | Low | Satisfactory | 21 | Irrigation | 1952 |
| Carlin | Low | Not assessed | 20 | Irrigation | 1905 |
| Marshall #2 | Low | Fair | 20 | Irrigation | 1887 |
| Ireland #5 | Low | Satisfactory | 20 | Irrigation | 1976 |
| D.a. Lord #4 | Low | Fair | 20 | Irrigation | |
| John Keller | Low | Satisfactory | 19 | Irrigation | 1974 |
| Lundvall Dam #5 | Low | Not assessed | 19 | Irrigation | 1919 |
| Bass | Low | Fair | 18 | Irrigation | 1896 |
| Adams & Bunker #1 | Low | Fair | 18 | Irrigation | |
| Howards Lake | Low | Fair | 18 | Irrigation | 1920 |
| Mead | Low | Fair | 18 | Fish and Wildlife Pond | |
| Seeley Lake | Low | Satisfactory | 18 | Irrigation | 1902 |
| Oklahoma Lake | Low | Fair | 18 | Irrigation | 1891 |
| Lakeview Village Ski Dam | Low | Satisfactory | 18 | Recreation | 1991 |
| Cozzens | Low | Satisfactory | 17 | Irrigation | 1902 |
| Leemans Lake | Low | Not assessed | 17 | Irrigation | 1946 |
| Highland | Low | Unsatisfactory | 17 | Irrigation | 1900 |
| Giffin #1 (lower) | Low | Fair | 17 | Irrigation | 1948 |
| Klingenberg Flood Control #1 | Low | Satisfactory | 17 | Flood Risk Reduction | 1955 |
| Rockwell | Low | Fair | 16 | Irrigation | 1885 |
| Sanborn | Low | Satisfactory | 16 | Irrigation | 1890 |
| Stybr #2 | Low | Not assessed | 16 | Irrigation | 1920 |
| Adams & Bunker #3 | Low | Fair | 16 | Irrigation | 1906 |
| North Star | Low | Satisfactory | 16 | Irrigation | 1896 |
| Antelope | Low | Fair | 15 | Irrigation | 1899 |
| Hummel | Low | Fair | 15 | Irrigation | 1882 |
| De France | Low | Fair | 15 | Irrigation | 1883 |
| Behrens | Low | Satisfactory | 14 | Irrigation | 1910 |
| Law, John | Low | Fair | 14 | Irrigation | 1896 |
| Adams & Bunker #2 | Low | Satisfactory | 14 | Irrigation | 1973 |
| Wykert #2 | Low | Unsatisfactory | 14 | Irrigation | 1964 |
| Mose Davis #2 | Low | Satisfactory | 14 | Fish and Wildlife Pond | 1906 |
| Decker | Low | Fair | 14 | Irrigation | 1892 |
| Twombley | Low | Satisfactory | 13 | Irrigation | 1931 |
| Ireland #1 | Low | Not assessed | 13 | Irrigation | 1919 |
| Banner Lake #5 | Low | Not assessed | 13 | Fish and Wildlife Pond | 1960 |
| Cwp North Pond | Low | Fair | 12 | ||
| Wykert #1 | Low | Fair | 12 | Irrigation | 1964 |
| Wykert #4 | Low | Fair | 12 | Irrigation | 1965 |
| B.l. Swift | Low | Satisfactory | 12 | Irrigation | 1890 |
| Lundvall Dam #2 | Low | Satisfactory | 12 | Irrigation | |
| Briscoe Lake | Low | Fair | 12 | Irrigation | 1904 |
| Beebe Draw Gun Club Lake #1 | Low | Fair | 12 | Recreation | 1930 |
| Holt | Low | Not assessed | 11 | Irrigation | 1893 |
| Thompson | Low | Not assessed | 11 | Irrigation | 1888 |
| Munger #2 | Low | Not assessed | 11 | Irrigation | 1902 |
| German #12 | Low | Not assessed | 11 | Irrigation | 1887 |
| Banner Lake #11 | Low | Not assessed | 11 | Fish and Wildlife Pond | |
| Banner Lake #8 | Low | Not assessed | 11 | Fish and Wildlife Pond | 1930 |
| Sullivan | Low | Unsatisfactory | 11 | Irrigation | 1905 |
| Munger #1 | Low | Not assessed | 10 | Irrigation | 1902 |
| Minnie | Low | Not assessed | 10 | Irrigation | 1882 |
| Logan | Low | Not assessed | 10 | Irrigation | 1882 |
| Banner Lake #1 | Low | Not assessed | 10 | Fish and Wildlife Pond | 1968 |
| Banner Lake #3 | Low | Not assessed | 10 | Recreation | 1968 |
| New Cache Agricultural Pond | Low | Not assessed | 10 | Irrigation | 2016 |
| Neff Lake | Low | Not assessed | 10 | Irrigation | |
| Ide and Starbird #2 | Low | Not assessed | 10 | Irrigation | 1885 |
| Mulligan | Low | Fair | 10 | Recreation | 1878 |
| Middle Pond | Low | Unsatisfactory | 9 | 2017 | |
| Hartford | Low | Not assessed | 9 | Irrigation | 1890 |
| Lost Creek #1 | Low | Not assessed | 9 | Fire Protection, Stock, Or Small Fish Pond | 1908 |
| Mckay | Low | Not assessed | 9 | Irrigation | 1886 |
| Hill | Low | Not assessed | 9 | Irrigation | 1920 |
| Koenig | Low | Not assessed | 9 | Irrigation | 1882 |
| Baxter | Low | Not assessed | 8 | Irrigation | 1878 |
| Parmalee | Low | Not assessed | 8 | Irrigation | 1890 |
| Ide and Starbird #1 | Low | Not assessed | 8 | Irrigation | 1895 |
| Lake Canal #1 | Low | Not assessed | 8 | Irrigation | 1898 |
| Lindies Lake | Low | Not assessed | 8 | Irrigation | 1894 |
| H.a. Smith | Low | Not assessed | 7 | Fire Protection, Stock, Or Small Fish Pond | 1895 |
| Shaw | Low | Not assessed | 7 | Irrigation | 1908 |
| German #8 and 9 | Low | Not assessed | 7 | Irrigation | 1886 |
| Coal Ridge Waste Dam #2 | Low | Not assessed | 7 | Irrigation | 1954 |