Riverine Flood Risk in Georgia

All Georgia counties ranked by FEMA National Risk Index riverine flood score

Riverine Flood risk — rivers and streams overflowing their banks after heavy rain or snowmelt — is rated for 159 of 159 Georgia counties in FEMA's National Risk Index. Fulton County carries the state's highest riverine flood score at 97.7, with $164M in expected annual riverine flood losses.

4 Georgia counties are rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $1.58B statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Riverine Flood

#CountyRiverine Flood ScoreRatingAnn. Freq.Ann. Loss
1 Fulton County
97.7
High 2.71 / yr $164M
2 Gwinnett County
97.4
High 1.18 / yr $145M
3 DeKalb County
96.2
High 1.93 / yr $97M
4 Cobb County
96.1
High 1.29 / yr $125M
5 Chatham County
90.8
Medium 1.29 / yr $42M
6 Forsyth County
90.0
Medium 0.96 / yr $58M
7 Cherokee County
88.5
Medium 0.86 / yr $46M
8 Clayton County
87.8
Medium 0.50 / yr $30M
9 Dougherty County
87.6
Medium 0.96 / yr $22M
10 Muscogee County
87.3
Medium 0.71 / yr $26M
11 Richmond County
86.5
Medium 0.79 / yr $24M
12 Hall County
86.2
Medium 0.68 / yr $30M
13 Henry County
84.5
Medium 0.36 / yr $31M
14 Columbia County
82.7
Medium 0.93 / yr $31M
15 Floyd County
82.4
Medium 1.21 / yr $19M
16 Bibb County
80.4
Medium 0.68 / yr $17M
17 Decatur County
77.0
Medium 0.54 / yr $11M
18 Whitfield County
75.5
Medium 0.89 / yr $14M
19 Gilmer County
75.3
Medium 0.89 / yr $12M
20 Paulding County
73.9
Medium 0.54 / yr $21M
21 Coweta County
72.1
Low 0.96 / yr $18M
22 Houston County
71.6
Low 0.61 / yr $16M
23 Carroll County
70.8
Low 0.86 / yr $15M
24 Clarke County
70.7
Low 0.39 / yr $15M
25 Fayette County
70.6
Low 0.75 / yr $19M
26 Douglas County
70.5
Low 0.79 / yr $18M
27 Lowndes County
70.3
Low 0.86 / yr $12M
28 Putnam County
67.9
Low 0.54 / yr $8M
29 Bartow County
67.8
Low 0.86 / yr $16M
30 Troup County
67.7
Low 0.39 / yr $10M
31 Fannin County
66.1
Low 0.61 / yr $9M
32 Polk County
66.0
Low 0.71 / yr $7M
33 Walker County
65.5
Low 0.57 / yr $11M
34 Walton County
65.2
Low 0.50 / yr $13M
35 Catoosa County
65.0
Low 0.54 / yr $12M
36 Rockdale County
63.4
Low 0.32 / yr $12M
37 Baldwin County
63.2
Low 0.43 / yr $8M
38 Gordon County
62.1
Low 1.18 / yr $10M
39 Newton County
61.8
Low 0.39 / yr $13M
40 Bulloch County
60.6
Low 0.50 / yr $9M
41 Colquitt County
59.6
Low 0.39 / yr $6M
42 Chattooga County
59.5
Low 0.82 / yr $6M
43 Union County
58.7
Low 0.57 / yr $6M
44 Barrow County
58.1
Low 0.43 / yr $11M
45 Rabun County
58.1
Low 0.96 / yr $6M
46 Thomas County
57.3
Low 0.61 / yr $7M
47 Crisp County
56.7
Low 0.75 / yr $5M
48 Laurens County
56.7
Low 0.61 / yr $7M
49 Greene County
54.4
Low 0.25 / yr $6M
50 Glynn County
54.2
Low 0.54 / yr $6M
51 Spalding County
54.1
Low 0.43 / yr $8M
52 Towns County
53.6
Low 0.25 / yr $5M
53 Sumter County
53.5
Low 0.43 / yr $5M
54 Mitchell County
52.8
Low 0.46 / yr $5M
55 Liberty County
52.3
Low 0.32 / yr $10M
56 Effingham County
51.8
Low 0.25 / yr $8M
57 Coffee County
51.1
Low 0.43 / yr $5M
58 Lumpkin County
50.5
Low 0.43 / yr $6M
59 Murray County
49.6
Low 0.75 / yr $6M
60 Jackson County
47.4
Low 0.50 / yr $9M
61 Tift County
46.9
Low 0.43 / yr $5M
62 White County
46.2
Low 0.79 / yr $6M
63 Ware County
46.1
Low 0.36 / yr $5M
64 Pickens County
45.3
Low 0.54 / yr $6M
65 Habersham County
44.1
Low 1.18 / yr $5M
66 Stephens County
44.0
Low 0.50 / yr $4M
67 Hart County
43.3
Low 0.50 / yr $4M
68 Franklin County
43.1
Low 0.43 / yr $4M
69 Bryan County
41.8
Low 0.29 / yr $7M
70 Grady County
40.7
Low 0.29 / yr $4M
71 Harris County
39.7
Low 0.43 / yr $5M
72 Haralson County
39.2
Low 0.46 / yr $4M
73 Morgan County
38.4
Low 0.39 / yr $5M
74 Tattnall County
37.8
Low 0.39 / yr $3M
75 Toombs County
37.8
Low 0.36 / yr $4M
76 Dade County
37.3
Low 0.57 / yr $3M
77 Elbert County
35.8
Low 0.79 / yr $3M
78 Camden County
35.6
Low 0.39 / yr $5M
79 Meriwether County
35.3
Low 0.32 / yr $3M
80 Lee County
35.1
Low 0.46 / yr $5M
81 Oconee County
35.0
Low 0.18 / yr $7M
82 Madison County
34.4
Very Low 0.21 / yr $3M
83 Emanuel County
34.1
Very Low 0.25 / yr $3M
84 Dawson County
33.9
Very Low 0.54 / yr $5M
85 Macon County
33.0
Very Low 0.25 / yr $2M
86 Early County
32.4
Very Low 0.25 / yr $2M
87 Butts County
32.1
Very Low 0.21 / yr $3M
88 Monroe County
32.0
Very Low 0.39 / yr $4M
89 Upson County
31.7
Very Low 0.93 / yr $3M
90 Dodge County
31.6
Very Low 0.43 / yr $3M
91 Burke County
31.3
Very Low 0.32 / yr $3M
92 Brooks County
31.1
Very Low 0.50 / yr $2M
93 Wayne County
30.2
Very Low 0.36 / yr $3M
94 Berrien County
30.1
Very Low 0.25 / yr $2M
95 Seminole County
29.5
Very Low 0.32 / yr $3M
96 Clinch County
29.0
Very Low 0.14 / yr $2M
97 McDuffie County
28.2
Very Low 0.11 / yr $2M
98 Jones County
28.0
Very Low 0.43 / yr $3M
99 Telfair County
27.8
Very Low 0.46 / yr $2M
100 Cook County
27.0
Very Low 0.21 / yr $2M
101 Hancock County
26.9
Very Low 0.14 / yr $2M
102 Washington County
26.2
Very Low 0.32 / yr $2M
103 Worth County
26.0
Very Low 0.68 / yr $2M
104 Jefferson County
24.3
Very Low 0.11 / yr $2M
105 Appling County
24.0
Very Low 0.43 / yr $2M
106 Ben Hill County
23.3
Very Low 0.21 / yr $2M
107 Screven County
23.1
Very Low 0.25 / yr $2M
108 Peach County
22.7
Very Low 0.39 / yr $3M
109 Heard County
22.3
Very Low 0.32 / yr $2M
110 Jeff Davis County
21.9
Very Low 0.25 / yr $2M
111 Evans County
20.8
Very Low 0.21 / yr $2M
112 Pulaski County
20.7
Very Low 0.46 / yr $2M
113 Pike County
20.2
Very Low 0.61 / yr $2M
114 Jasper County
19.9
Very Low 0.21 / yr $2M
115 Banks County
19.7
Very Low 0.50 / yr $3M
116 Pierce County
18.3
Very Low 0.18 / yr $2M
117 McIntosh County
18.1
Very Low 0.18 / yr $1M
118 Miller County
17.5
Very Low 0.25 / yr $2M
119 Taylor County
16.8
Very Low 0.29 / yr $1M
120 Charlton County
16.2
Very Low 0.25 / yr $1M
121 Bleckley County
16.0
Very Low 0.21 / yr $1M
122 Brantley County
15.9
Very Low 0.25 / yr $2M
123 Wilkes County
15.7
Very Low 0.32 / yr $1M
124 Dooly County
15.6
Very Low 0.54 / yr $2M
125 Bacon County
15.4
Very Low 0.29 / yr $1M
126 Lamar County
15.2
Very Low 0.29 / yr $2M
127 Jenkins County
15.0
Very Low 0.14 / yr $1M
128 Montgomery County
14.8
Very Low 0.29 / yr $1M
129 Oglethorpe County
13.8
Very Low 0.14 / yr $2M
130 Twiggs County
13.7
Very Low 0.14 / yr $1M
131 Baker County
13.1
Very Low 0.29 / yr $992K
132 Terrell County
12.9
Very Low 0.21 / yr $1M
133 Marion County
12.8
Very Low 0.25 / yr $997K
134 Lincoln County
12.7
Very Low 0.11 / yr $1M
135 Candler County
12.4
Very Low 0.18 / yr $1M
136 Johnson County
11.0
Very Low 0.29 / yr $878K
137 Warren County
10.9
Very Low 0.07 / yr $840K
138 Wheeler County
10.2
Very Low 0.25 / yr $827K
139 Long County
9.9
Very Low 0.14 / yr $2M
140 Randolph County
9.8
Very Low 0.14 / yr $862K
141 Talbot County
9.8
Very Low 0.29 / yr $737K
142 Wilcox County
9.2
Very Low 0.25 / yr $948K
143 Clay County
9.1
Very Low 0.04 / yr $685K
144 Wilkinson County
8.8
Very Low 0.25 / yr $1M
145 Stewart County
8.5
Very Low 0.11 / yr $625K
146 Atkinson County
8.4
Very Low 0.29 / yr $1M
147 Turner County
8.3
Very Low 0.21 / yr $766K
148 Crawford County
8.3
Very Low 0.46 / yr $1M
149 Lanier County
8.1
Very Low 0.04 / yr $959K
150 Irwin County
7.8
Very Low 0.32 / yr $1M
151 Calhoun County
7.7
Very Low 0.14 / yr $639K
152 Treutlen County
5.2
Very Low 0.21 / yr $730K
153 Chattahoochee County
5.0
Very Low 0.21 / yr $941K
154 Quitman County
4.7
Very Low 0.07 / yr $369K
155 Webster County
2.7
Very Low 0.21 / yr $317K
156 Glascock County
2.6
Very Low 0.07 / yr $364K
157 Taliaferro County
2.4
Very Low 0.18 / yr $250K
158 Schley County
1.8
Very Low 0.11 / yr $490K
159 Echols County
1.3
Very Low 0.14 / yr $345K

159 Georgia counties with measurable riverine flood risk. See the national riverine flood ranking or all Georgia counties by overall risk.

Frequently Asked Questions

Which Georgia county has the highest riverine flood risk?

Fulton County has the highest FEMA riverine flood risk score in Georgia at 97.7 (High), with $164M in expected annual losses and about 2.71 events per year.

How many Georgia counties face significant riverine flood risk?

159 Georgia counties record measurable riverine flood risk in FEMA's National Risk Index; 4 of them are rated High or Very High.

Other Hazards in Georgia

Coastal Flood Cold Wave Drought Earthquake Hail Heat Wave Hurricane Ice Storm Landslide Lightning Strong Wind Tornado Wildfire Winter Weather