Riverine Flood Risk in Nebraska

All Nebraska 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 93 of 93 Nebraska counties in FEMA's National Risk Index. Douglas County carries the state's highest riverine flood score at 95.1, with $88M in expected annual riverine flood losses.

1 Nebraska county is rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $401M 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 Douglas County
95.1
High 1.79 / yr $88M
2 Lancaster County
85.5
Medium 1.43 / yr $34M
3 Sarpy County
73.6
Medium 1.32 / yr $24M
4 Hall County
70.1
Low 0.93 / yr $15M
5 Dodge County
67.3
Low 1.93 / yr $15M
6 Madison County
62.8
Low 0.79 / yr $12M
7 Platte County
60.7
Low 1.36 / yr $10M
8 Buffalo County
50.8
Low 0.89 / yr $10M
9 Cuming County
49.2
Low 1.21 / yr $6M
10 Lincoln County
48.5
Low 1.50 / yr $7M
11 Scotts Bluff County
48.0
Low 0.79 / yr $7M
12 Dawson County
43.6
Low 0.61 / yr $5M
13 Custer County
43.5
Low 1.18 / yr $7M
14 Saline County
38.6
Low 2.29 / yr $4M
15 Merrick County
37.2
Low 0.61 / yr $5M
16 Cass County
37.0
Low 1.82 / yr $7M
17 Dakota County
33.8
Very Low 0.89 / yr $4M
18 Adams County
32.8
Very Low 0.82 / yr $5M
19 Saunders County
32.5
Very Low 2.00 / yr $6M
20 Gage County
32.4
Very Low 1.07 / yr $4M
21 Boone County
32.0
Very Low 0.89 / yr $3M
22 Colfax County
31.8
Very Low 0.75 / yr $5M
23 Knox County
31.3
Very Low 1.11 / yr $4M
24 Cheyenne County
27.7
Very Low 1.07 / yr $4M
25 Washington County
27.1
Very Low 0.93 / yr $5M
26 Stanton County
25.2
Very Low 0.75 / yr $4M
27 York County
25.0
Very Low 0.64 / yr $4M
28 Jefferson County
25.0
Very Low 1.32 / yr $3M
29 Cedar County
24.9
Very Low 0.64 / yr $4M
30 Seward County
23.0
Very Low 0.79 / yr $4M
31 Thayer County
22.2
Very Low 0.75 / yr $3M
32 Otoe County
21.1
Very Low 1.96 / yr $4M
33 Butler County
20.9
Very Low 0.82 / yr $3M
34 Pierce County
20.5
Very Low 0.61 / yr $4M
35 Thurston County
19.0
Very Low 0.71 / yr $2M
36 Furnas County
18.8
Very Low 0.43 / yr $2M
37 Burt County
18.8
Very Low 0.64 / yr $3M
38 Webster County
18.6
Very Low 0.32 / yr $2M
39 Phelps County
17.0
Very Low 0.46 / yr $3M
40 Hamilton County
16.9
Very Low 0.61 / yr $3M
41 Richardson County
16.7
Very Low 2.14 / yr $2M
42 Wayne County
16.5
Very Low 0.39 / yr $3M
43 Polk County
16.4
Very Low 0.61 / yr $3M
44 Morrill County
16.3
Very Low 0.50 / yr $2M
45 Nemaha County
15.7
Very Low 2.21 / yr $2M
46 Keith County
15.3
Very Low 0.46 / yr $2M
47 Clay County
15.2
Very Low 0.46 / yr $2M
48 Cherry County
15.0
Very Low 0.36 / yr $2M
49 Howard County
14.7
Very Low 0.46 / yr $2M
50 Nance County
14.1
Very Low 0.32 / yr $2M
51 Dixon County
12.5
Very Low 0.96 / yr $2M
52 Valley County
12.1
Very Low 0.25 / yr $2M
53 Antelope County
11.4
Very Low 0.79 / yr $2M
54 Red Willow County
10.9
Very Low 0.50 / yr $2M
55 Holt County
10.8
Very Low 0.61 / yr $2M
56 Nuckolls County
10.6
Very Low 0.32 / yr $2M
57 Kearney County
10.3
Very Low 0.39 / yr $2M
58 Sheridan County
9.9
Very Low 0.32 / yr $1M
59 Franklin County
9.5
Very Low 0.29 / yr $1M
60 Sherman County
9.4
Very Low 0.32 / yr $1M
61 Harlan County
9.3
Very Low 0.36 / yr $1M
62 Johnson County
9.0
Very Low 0.36 / yr $2M
63 Fillmore County
8.4
Very Low 0.46 / yr $2M
64 Pawnee County
7.6
Very Low 0.39 / yr $941K
65 Frontier County
7.4
Very Low 0.71 / yr $770K
66 Kimball County
7.3
Very Low 1.04 / yr $930K
67 Dawes County
6.1
Very Low 0.29 / yr $1M
68 Boyd County
6.0
Very Low 0.43 / yr $1M
69 Box Butte County
5.9
Very Low 0.11 / yr $955K
70 Greeley County
5.8
Very Low 0.25 / yr $1M
71 Hitchcock County
5.7
Very Low 0.46 / yr $756K
72 Garfield County
4.2
Very Low 0.25 / yr $609K
73 Chase County
3.7
Very Low 0.39 / yr $754K
74 Deuel County
3.5
Very Low 0.18 / yr $463K
75 Garden County
2.8
Very Low 0.29 / yr $602K
76 Wheeler County
2.4
Very Low 0.18 / yr $416K
77 Perkins County
2.3
Very Low 0.36 / yr $568K
78 Brown County
2.3
Very Low 0.29 / yr $498K
79 Keya Paha County
2.2
Very Low 0.29 / yr $256K
80 Gosper County
2.1
Very Low 0.25 / yr $489K
81 Dundy County
2.0
Very Low 0.43 / yr $496K
82 Sioux County
1.7
Very Low 0.21 / yr $423K
83 Blaine County
1.6
Very Low 0.07 / yr $293K
84 Hayes County
1.4
Very Low 0.71 / yr $344K
85 Hooker County
1.2
Very Low 0.04 / yr $192K
86 Rock County
1.1
Very Low 0.21 / yr $315K
87 Thomas County
1.0
Very Low 0.11 / yr $332K
88 Banner County
0.9
Very Low 0.36 / yr $286K
89 Loup County
0.7
Very Low 0.11 / yr $269K
90 Grant County
0.6
Very Low 0.07 / yr $250K
91 Arthur County
0.5
Very Low 0.07 / yr $175K
92 Logan County
0.5
Very Low 0.21 / yr $174K
93 McPherson County
0.3
Very Low 0.04 / yr $141K

93 Nebraska counties with measurable riverine flood risk. See the national riverine flood ranking or all Nebraska counties by overall risk.

Frequently Asked Questions

Which Nebraska county has the highest riverine flood risk?

Douglas County has the highest FEMA riverine flood risk score in Nebraska at 95.1 (High), with $88M in expected annual losses and about 1.79 events per year.

How many Nebraska counties face significant riverine flood risk?

93 Nebraska counties record measurable riverine flood risk in FEMA's National Risk Index; 1 of them are rated High or Very High.

Other Hazards in Nebraska

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