Dams in Weld County, Colorado
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 Rated | 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 Rated | 50 | Irrigation | 2019 |
| Bull Canal Lagoon Cell 3 East | Low | Not Rated | 49 | Other | 1982 |
| Arrowhead | Low | Not Rated | 38 | Irrigation | 1962 |
| Perry | Low | Not Rated | 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 Rated | 23 | Other | 1918 |
| Charles Wilson Detention Dam #1 | Low | Not Rated | 23 | Flood Risk Reduction | 1964 |
| Miantenoma | Low | Not Rated | 22 | Irrigation | 1895 |
| Sloan #1 | Low | Not Rated | 22 | Irrigation | 1959 |
| Moeller | Low | Not Rated | 21 | Irrigation | 1898 |
| Giffin #2 (upper) | Low | Satisfactory | 21 | Irrigation | 1952 |
| Carlin | Low | Not Rated | 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 Rated | 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 Rated | 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 Rated | 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 Rated | 13 | Irrigation | 1919 |
| Banner Lake #5 | Low | Not Rated | 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 Rated | 11 | Irrigation | 1893 |
| Thompson | Low | Not Rated | 11 | Irrigation | 1888 |
| Munger #2 | Low | Not Rated | 11 | Irrigation | 1902 |
| German #12 | Low | Not Rated | 11 | Irrigation | 1887 |
| Banner Lake #11 | Low | Not Rated | 11 | Fish and Wildlife Pond | |
| Banner Lake #8 | Low | Not Rated | 11 | Fish and Wildlife Pond | 1930 |
| Sullivan | Low | Unsatisfactory | 11 | Irrigation | 1905 |
| Munger #1 | Low | Not Rated | 10 | Irrigation | 1902 |
| Minnie | Low | Not Rated | 10 | Irrigation | 1882 |
| Logan | Low | Not Rated | 10 | Irrigation | 1882 |
| Banner Lake #1 | Low | Not Rated | 10 | Fish and Wildlife Pond | 1968 |
| Banner Lake #3 | Low | Not Rated | 10 | Recreation | 1968 |
| New Cache Agricultural Pond | Low | Not Rated | 10 | Irrigation | 2016 |
| Neff Lake | Low | Not Rated | 10 | Irrigation | |
| Ide And Starbird #2 | Low | Not Rated | 10 | Irrigation | 1885 |
| Mulligan | Low | Fair | 10 | Recreation | 1878 |
| Middle Pond | Low | Unsatisfactory | 9 | 2017 | |
| Hartford | Low | Not Rated | 9 | Irrigation | 1890 |
| Lost Creek #1 | Low | Not Rated | 9 | Fire Protection, Stock, Or Small Fish Pond | 1908 |
| Mckay | Low | Not Rated | 9 | Irrigation | 1886 |
| Hill | Low | Not Rated | 9 | Irrigation | 1920 |
| Koenig | Low | Not Rated | 9 | Irrigation | 1882 |
| Baxter | Low | Not Rated | 8 | Irrigation | 1878 |
| Parmalee | Low | Not Rated | 8 | Irrigation | 1890 |
| Ide And Starbird #1 | Low | Not Rated | 8 | Irrigation | 1895 |
| Lake Canal #1 | Low | Not Rated | 8 | Irrigation | 1898 |
| Lindies Lake | Low | Not Rated | 8 | Irrigation | 1894 |
| H.a. Smith | Low | Not Rated | 7 | Fire Protection, Stock, Or Small Fish Pond | 1895 |
| Shaw | Low | Not Rated | 7 | Irrigation | 1908 |
| German #8 And 9 | Low | Not Rated | 7 | Irrigation | 1886 |
| Coal Ridge Waste Dam #2 | Low | Not Rated | 7 | Irrigation | 1954 |