North Dakota has 39 water supply dams, of which 2 carry a high hazard classification. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Homme Dam | Walsh | 72 | High | Not assessed | 1950 |
| 2 | Hartel West Reservoir | McKenzie | 71 | Low | Not assessed | |
| 3 | Hartel East Reservoir | McKenzie | 44 | Low | Not assessed | |
| 4 | Pheasant Lake Dam | Dickey | 43 | Significant | Not assessed | 1963 |
| 5 | Mcville Railroad Dam | Nelson | 37 | Significant | Not assessed | 1910 |
| 6 | Harvey Dam | Wells | 35 | Significant | Not assessed | 1920 |
| 7 | Grafton Railroad Dam | Walsh | 29 | Low | Not assessed | 1967 |
| 8 | Sykeston Dam | Wells | 27 | Low | Not assessed | 1908 |
| 9 | Hunter Dam | Cass | 26 | High | Fair | 1960 |
| 10 | Bice Pond; Wylie #2 | Dunn | 26 | Low | Not assessed | |
| 11 | Johnson Pond; Arlene | McKenzie | 25 | Low | Not assessed | |
| 12 | Drayton Dam | Pembina | 25 | Low | Not assessed | 1964 |
| 13 | Valley City Mill Dam | Barnes | 24 | Low | Not assessed | 1882 |
| 14 | Ueland Dam | Griggs | 24 | Low | Not assessed | 1934 |
| 15 | Johnson Pond | McKenzie | 24 | Low | Not assessed | |
| 16 | Sorenson Pond | McKenzie | 24 | Significant | Not assessed | |
| 17 | Faye Water Containment | McKenzie | 24 | Low | Not assessed | |
| 18 | Henderson Dam; Hazel 1 | McKenzie | 24 | Low | Not assessed | 2013 |
| 19 | Stanley Dam | Mountrail | 21 | Low | Not assessed | 1968 |
| 20 | Pembina City Dam | Pembina | 21 | Low | Not assessed | 1938 |
| 21 | Bice Pond; Wylie | Dunn | 20 | Low | Not assessed | |
| 22 | Grand Forks Riverside Park Dam | Grand Forks | 19 | Low | Not assessed | 1925 |
| 23 | Crystal Water Supply Dam | Pembina | 19 | Low | Not assessed | 1966 |
| 24 | Lisbon Dam | Ransom | 19 | Low | Not assessed | 1890 |
| 25 | Hickson Dam | Clay | 18 | Low | Not assessed | 1937 |
| 26 | Henderson Dam; Hazel 2 | McKenzie | 18 | Low | Not assessed | 1950 |
| 27 | Vigness Dam | Walsh | 18 | Low | Not assessed | 1935 |
| 28 | Niagara Railroad Dam 1 | Grand Forks | 16 | Low | Not assessed | 1905 |
| 29 | Christine Dam | Richland | 16 | Low | Not assessed | 1937 |
| 30 | Jorgenson Pond; Hazel | Dunn | 15 | Undetermined | Not assessed | |
| 31 | Portland Dam | Traill | 14 | Low | Not assessed | 1934 |
| 32 | Minto Dam | Walsh | 14 | Low | Not assessed | 1938 |
| 33 | Sentinel Butte Dam | Golden Valley | 13 | Low | Not assessed | 1933 |
| 34 | East Broadway Dam | Stark | 12 | Low | Not assessed | 1937 |
| 35 | Sheyenne River Diversion Dam | Cass | 10 | Low | Not assessed | 1972 |
| 36 | Fargo 4th Street South Dam | Cass | 10 | Low | Not assessed | 1929 |
| 37 | Dunn | 9 | Low | Not assessed | ||
| 38 | Fargo 12th Avenue North Dam | Cass | 8 | Low | Not assessed | 1933 |
| 39 | Minot Water Supply Dam | Ward | 8 | Low | Not assessed | 1964 |