Dams in Union County, Arkansas
18Total Dams
1High Hazard
2Significant
Dam Safety in Union County, Arkansas
Union County has 18 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Union County is 78 years old. The most common purpose is recreation. The tallest dam is Felsenthal Lock And Dam at 105 ft.
Explore more: Oldest dams in Arkansas · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Arnoname 55 | High | Not Rated | 10 | Recreation | 1924 |
| Felsenthal Lock And Dam | Significant | Not Available | 105 | Navigation | 1978 |
| H.k. Thatcher Lock And Dam | Significant | Not Available | 80 | Navigation | 1983 |
| Lake Calion Dam | Low | Not Rated | 28 | Recreation | 1938 |
| Lock And Dam No 6 | Low | Not Rated | 26 | Navigation | 1913 |
| Lock And Dam No 8 | Low | Not Rated | 25 | Navigation | 1911 |
| Harris Lake Dam | Low | Not Rated | 22 | Recreation | 1962 |
| Harper Reservoir Dam | Low | Not Rated | 21 | Recreation | 1968 |
| Lake Lisbon Dam | Low | Not Rated | 18 | Recreation | 1954 |
| J S New's Dam/ Arnoname 49 | Low | Not Rated | 16 | Recreation | 1961 |
| Lake Wingfield No 1 Dam | Low | Not Rated | 14 | Recreation | 1929 |
| Lake Wingfield No 3 Dam | Low | Not Rated | 14 | Recreation | 1928 |
| Arnoname 56 | Low | Not Rated | 13 | Recreation | 1918 |
| Anthony Lake Dam | Low | Not Rated | 12 | Recreation | 1965 |
| Lake Wingfield No 2 Dam | Low | Not Rated | 12 | Recreation | 1929 |
| Lewis Lake Dam | Low | Not Rated | 10 | Recreation | 1969 |
| Arnoname 50 | Low | Not Rated | 8 | Recreation | 1952 |
| Sowell Lake Dam | Low | Not Rated | 8 | Recreation | 1966 |