Mississippi Dams
6,089 dams tracked by the National Inventory of Dams
Total Dams
6,089
High Hazard
348
5.7%
Poor / Unsatisfactory
273
Average Age
48 yrs
Hazard Classification
High348 (5.7%)
Significant66 (1.1%)
Low4,510 (74.1%)
Condition Assessment
Satisfactory194 (3.2%)
Fair180 (3.0%)
Poor / Unsatisfactory273 (4.5%)
Not Rated5,442 (89.4%)
Federal
48
State
62
Local
649
Private
5,311
Tallest Dams
- Jamie L. Whitten Lock and Dam120 ft
- Sardis Dam117 ft
- Enid Dam110 ft
- Okhissa100 ft
- Arkabutla Dam92 ft
High Hazard Dams
- Jamie L. Whitten Lock and DamHigh
- Sardis DamHigh
- Enid DamHigh
- OkhissaHigh
- Arkabutla DamHigh
Poor Condition Dams
All Dams in Mississippi
Showing 1126–1150 of 6,089
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Ott Lake Dam Pike County | 14 | — | Low | Not Rated |
| Ottis Robertson Lake Dam Jones County | 12 | — | Low | Not Rated |
| Ottis Garner Lake Dam Jefferson Davis County | 15 | — | Low | Not Rated |
| Otoucalofa Creek Y-15-4 Dam Calhoun County | 25 | 1994 | High | Poor |
| Otoucalofa Creek Y-15-3 Dam Calhoun County | 27 | 1994 | Low | Not Rated |
| Otoucalofa Creek Y-15-2 Dam Calhoun County | 27 | 1994 | Low | Not Rated |
| Otoucalofa Creek Y-15-1 Dam Calhoun County | 23 | 1994 | High | Poor |
| Otoucalofa Creek WS Str Y-15- 23 Dam Yalobusha County | 33 | 1989 | High | Satisfactory |
| Otoucalofa Creek WS Str Y-15-12 Dam Yalobusha County | 26 | 1996 | Low | Not Rated |
| Otoucalofa Creek Str Y-15-24 Dam Yalobusha County | 37 | 1996 | High | Satisfactory |
| Otoucalofa Creek Structure Y-15b-8 Dam Lafayette County | 29 | 1996 | High | Unsatisfactory |
| O T Gilbert Pond Dam Scott County | 14 | — | Low | Not Rated |
| Oswalt Lake Dam Oktibbeha County | 10 | — | Low | Not Rated |
| Osborns Lake Dam Hinds County | 16 | — | Low | Not Rated |
| Osborn Lake Dam Newton County | 15 | — | Low | Not Rated |
| Orvisburg Lake Dam Pearl River County | 12 | — | Low | Not Rated |
| Ormond Dam Adams County | 40 | — | Low | Not Rated |
| Oren Bailess Lake Dam Warren County | 42 | — | Low | Not Rated |
| Oren Bailess Lake Warren County | 42 | 1978 | Significant | Not Rated |
| Oreilly Pond Dam Yazoo County | 12 | — | Low | Not Rated |
| Openwood Plantation Lake Number 2 Dam Warren County | 28 | — | Low | Not Rated |
| Openwood Plantation Lake Number 1 Dam Warren County | 40 | — | Undetermined | Poor |
| Openwood Lake Dam Warren County | 21 | — | Undetermined | Unsatisfactory |
| Oneal Jackson Lake Dam Neshoba County | 12 | — | Low | Not Rated |
| Omara Lake Dam Leake County | 16 | 2003 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.