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

State

Local

649

Private

5,311

Tallest Dams

High Hazard Dams

Poor Condition Dams

Kelly Greenwood Lake DamPoor
Lake PushmatahaPoor
Second Creek WS Str No. 6a DamPoor
Big Sand Watershed Structure Y-32-17 DamUnsatisfactory
Second Creek WS Str No. 7 DamPoor

All Dams in Mississippi

Showing 3776–3800 of 4,510

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Piney Creek Watershed Structure Y-38-26 Dam Yazoo County	36	1967	Low	Not Rated
Piney Creek Watershed Structure Y-38-33 Dam Yazoo County	27	1960	Low	Not Rated
Piney Creek Watershed Structure Y-38-35 Dam Yazoo County	32	1968	Low	Not Rated
Pinkerton Lake Humphreys County	8	1978	Low	Not Rated
Pippin Lake Dam Benton County	25	—	Low	Not Rated
Plant 65 Lake Dam Copiah County	39	2007	Low	Not Rated
Plum Creek Nursery Dam Wayne County	30	—	Low	Not Rated
Plum Creek Nursery Number 2 Dam Wayne County	25	—	Low	Not Rated
Plunkett Lake Dam Yazoo County	25	—	Low	Not Rated
Pocahontas Club Lake Dam Hinds County	12	—	Low	Not Rated
Pontotoc Ridge Experiment Lake Dam Pontotoc County	15	—	Low	Not Rated
Portera Lake Dam Clay County	10	—	Low	Not Rated
Porter Lake Dam Claiborne County	18	—	Low	Not Rated
Porters Creek Watershed Structure 10 Dam Tippah County	24	1963	Low	Not Rated
Porters Creek Watershed Structure 11 Dam Tippah County	25	1963	Low	Not Rated
Port Gibson Sewage Lagoon Dam Claiborne County	10	—	Low	Not Rated
Potacocawa Watershed Structure Y-31a-01 Dam Carroll County	30	1962	Low	Not Rated
Potacocawa Watershed Structure Y-31a-02 Dam Carroll County	32	1962	Low	Not Rated
Potacocawa Watershed Structure Y-31a-03 Dam Carroll County	33	1962	Low	Not Rated
Potacocawa Watershed Structure Y-31a-05 Dam Carroll County	27	1966	Low	Not Rated
Potacocawa Watershed Structure Y-31a-07 Dam Carroll County	32	1965	Low	Not Rated
Potacocawa Watershed Structure Y-31a-09 Dam Carroll County	31	1962	Low	Not Rated
Potacocawa Watershed Structure Y-31a-10 Dam Carroll County	34	1965	Low	Not Rated
Potacocawa Watershed Structure Y-31a-11 Dam Carroll County	38	1966	Low	Not Rated
Potacocawa Watershed Structure Y-31a-12 Dam Carroll County	34	1966	Low	Poor

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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.