South Dakota Dams
2,541 dams tracked by the National Inventory of Dams
Total Dams
2,541
High Hazard
86
3.4%
Poor / Unsatisfactory
34
Average Age
68 yrs
Hazard Classification
High86 (3.4%)
Significant149 (5.9%)
Low2,306 (90.8%)
Condition Assessment
Satisfactory9 (0.4%)
Fair41 (1.6%)
Poor / Unsatisfactory34 (1.3%)
Not Rated2,457 (96.7%)
Federal
158
State
171
Local
84
Private
2,125
Tallest Dams
- Grizzly Gulch Tailings Dam380 ft
- Oahe Dam245 ft
- Big Bend Dam205 ft
- Angostura Dam193 ft
- Deerfield Dam171 ft
High Hazard Dams
- Grizzly Gulch Tailings DamHigh
- Oahe DamHigh
- Big Bend DamHigh
- Angostura DamHigh
- Deerfield DamHigh
Poor Condition Dams
- OglalaUnsatisfactory
- MarindahlPoor
- Crow CreekPoor
- RichmondPoor
- Ghost HawkUnsatisfactory
All Dams in South Dakota
Showing 2251–2275 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Angostura Grazing Pond 2 Fall River County | 23 | 1968 | Low | Not Rated |
| Andrew Dam Jackson County | 20 | 1937 | Low | Not Rated |
| Anderson Number 1 Stanley County | 15 | 1966 | Low | Not Rated |
| Anderson No.2 Mellette County | 25 | 1966 | Low | Not Rated |
| Anderson No.1 Mellette County | 22 | 1966 | Low | Not Rated |
| Anderson No.1 Mellette County | 27 | 1956 | Low | Not Rated |
| Anderson East Dam Marshall County | 24 | 1986 | Low | Not Rated |
| Anderson Dam Marshall County | 21 | 2008 | Low | Not Rated |
| Anderson Dam Lyman County | 21 | — | Low | Not Rated |
| Anderson Dam Hamlin County | 15 | 2000 | Low | Not Rated |
| Anderson 5 Meade County | 16 | 1945 | Low | Not Rated |
| Anderson #2 Mellette County | 28 | 1957 | Low | Not Rated |
| Anderson 1 Meade County | 14 | 1940 | Low | Not Rated |
| Anderson #1 Mellette County | 45 | 1956 | Low | Not Rated |
| Amsden Day County | 35 | 1937 | Low | Not Rated |
| A. Mosiman Sully County | 15 | 1947 | Low | Not Rated |
| Ammann Dam Roberts County | 35 | 2008 | Low | Not Rated |
| American Luthern Church Corson County | 30 | 1960 | Low | Not Rated |
| Ambur No.1 Mellette County | 26 | 1968 | Low | Not Rated |
| Ambur Bros No.1 Mellette County | 34 | 1953 | Low | Not Rated |
| Alvin Horman Stanley County | 26 | 1960 | Low | Not Rated |
| Alvine Dam Lake County | 30 | 1974 | Low | Not Rated |
| Alvin Lincoln County | 36 | 1954 | Low | Not Rated |
| Al Reddin Hughes County | 20 | 1938 | Low | Not Rated |
| Allerdings No.1 Walworth County | 26 | 1985 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.