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 4926–4950 of 6,089
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Oakwood Lake Dam Forrest County | 15 | — | Low | Not Rated |
| Oburrage Lake Dam Neshoba County | 20 | — | Undetermined | Not Rated |
| Odessa Briggs Pond Kemper County | 12 | 1965 | Low | Not Rated |
| Odoms Lake Dam Jones County | 25 | — | Undetermined | Not Rated |
| O J Andy Lake Dam Madison County | 14 | — | Low | Not Rated |
| O J Turner 3rd Lake Humphreys County | 8 | 1966 | Low | Not Rated |
| Okahatta Creek Dam Newton County | 12 | — | Undetermined | Not Rated |
| Okahatta Creek Dam Newton County | 11 | — | Low | Not Rated |
| Okatibbee Dam Lauderdale County | 72 | 1968 | High | Not Available |
| Okhissa Franklin County | 100 | 2005 | High | Not Rated |
| Okonatie WS Str Ut-25-1 Dam Union County | 28 | 1958 | High | Poor |
| Okonatie WS Str Ut 25 2 Dam Union County | 26 | 1958 | Low | Not Rated |
| Oktibbeha County Lake Dam Oktibbeha County | 43 | 1965 | High | Unsatisfactory |
| Olen Burrage Jr Lake Dam Neshoba County | 22 | 1996 | High | Fair |
| Omara Lake Dam Leake County | 16 | 2003 | Low | Satisfactory |
| Oneal Jackson Lake Dam Neshoba County | 12 | — | Low | Not Rated |
| Openwood Lake Dam Warren County | 21 | — | Undetermined | Unsatisfactory |
| Openwood Plantation Lake Number 1 Dam Warren County | 40 | — | Undetermined | Poor |
| Openwood Plantation Lake Number 2 Dam Warren County | 28 | — | Low | Not Rated |
| Oreilly Pond Dam Yazoo County | 12 | — | Low | Not Rated |
| Oren Bailess Lake Warren County | 42 | 1978 | Significant | Not Rated |
| Oren Bailess Lake Dam Warren County | 42 | — | Low | Not Rated |
| Ormond Dam Adams County | 40 | — | Low | Not Rated |
| Orvisburg Lake Dam Pearl River County | 12 | — | Low | Not Rated |
| Osborn Lake Dam Newton County | 15 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.