Riverine Flood Risk in Arkansas
All Arkansas 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 75 of 75 Arkansas counties in FEMA's National Risk Index. Pulaski County carries the state's highest riverine flood score at 96.8, with $91M in expected annual riverine flood losses.
1 Arkansas county is rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $628M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Riverine Flood
| # | County | Riverine Flood Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Pulaski County | High | 4.89 / yr | $91M | |
| 2 | Benton County | Medium | 2.50 / yr | $50M | |
| 3 | Washington County | Medium | 2.71 / yr | $42M | |
| 4 | Garland County | Medium | 2.14 / yr | $28M | |
| 5 | Sebastian County | Medium | 3.21 / yr | $25M | |
| 6 | White County | Medium | 4.43 / yr | $18M | |
| 7 | Craighead County | Medium | 2.46 / yr | $15M | |
| 8 | Jefferson County | Medium | 2.36 / yr | $12M | |
| 9 | Faulkner County | Medium | 2.18 / yr | $22M | |
| 10 | Pope County | Medium | 1.54 / yr | $17M | |
| 11 | Saline County | Medium | 3.11 / yr | $17M | |
| 12 | Cleburne County | Medium | 1.04 / yr | $11M | |
| 13 | Crittenden County | Low | 1.00 / yr | $11M | |
| 14 | Crawford County | Low | 3.00 / yr | $13M | |
| 15 | Lonoke County | Low | 1.96 / yr | $15M | |
| 16 | Sharp County | Low | 2.00 / yr | $7M | |
| 17 | Carroll County | Low | 1.11 / yr | $7M | |
| 18 | Yell County | Low | 3.25 / yr | $8M | |
| 19 | Baxter County | Low | 1.14 / yr | $7M | |
| 20 | Greene County | Low | 1.43 / yr | $8M | |
| 21 | Mississippi County | Low | 1.21 / yr | $7M | |
| 22 | Johnson County | Low | 1.57 / yr | $7M | |
| 23 | Hot Spring County | Low | 1.82 / yr | $6M | |
| 24 | Arkansas County | Low | 1.82 / yr | $6M | |
| 25 | Miller County | Low | 1.29 / yr | $6M | |
| 26 | Logan County | Low | 1.07 / yr | $7M | |
| 27 | Independence County | Low | 2.32 / yr | $7M | |
| 28 | Ashley County | Low | 1.79 / yr | $5M | |
| 29 | Madison County | Low | 1.86 / yr | $6M | |
| 30 | Polk County | Low | 1.82 / yr | $5M | |
| 31 | Ouachita County | Low | 4.07 / yr | $5M | |
| 32 | Lawrence County | Low | 2.82 / yr | $5M | |
| 33 | Howard County | Low | 0.93 / yr | $4M | |
| 34 | Boone County | Low | 1.29 / yr | $6M | |
| 35 | Union County | Low | 1.32 / yr | $5M | |
| 36 | Franklin County | Low | 2.25 / yr | $4M | |
| 37 | Chicot County | Low | 2.43 / yr | $4M | |
| 38 | Montgomery County | Low | 1.68 / yr | $4M | |
| 39 | Sevier County | Low | 0.82 / yr | $4M | |
| 40 | Izard County | Low | 1.11 / yr | $4M | |
| 41 | Van Buren County | Low | 0.96 / yr | $4M | |
| 42 | Stone County | Low | 1.18 / yr | $4M | |
| 43 | Phillips County | Low | 0.61 / yr | $4M | |
| 44 | Fulton County | Low | 1.14 / yr | $3M | |
| 45 | Randolph County | Low | 2.68 / yr | $5M | |
| 46 | Conway County | Low | 1.79 / yr | $4M | |
| 47 | Scott County | Low | 1.75 / yr | $5M | |
| 48 | Little River County | Low | 0.86 / yr | $4M | |
| 49 | Jackson County | Low | 2.39 / yr | $4M | |
| 50 | Hempstead County | Low | 1.29 / yr | $4M | |
| 51 | Prairie County | Low | 2.57 / yr | $4M | |
| 52 | Marion County | Low | 1.07 / yr | $3M | |
| 53 | St. Francis County | Low | 0.64 / yr | $3M | |
| 54 | Clay County | Low | 1.07 / yr | $3M | |
| 55 | Pike County | Low | 1.11 / yr | $4M | |
| 56 | Cross County | Low | 0.50 / yr | $4M | |
| 57 | Perry County | Low | 3.50 / yr | $4M | |
| 58 | Clark County | Low | 3.39 / yr | $4M | |
| 59 | Poinsett County | Low | 1.18 / yr | $3M | |
| 60 | Woodruff County | Very Low | 10.14 / yr | $3M | |
| 61 | Desha County | Very Low | 1.25 / yr | $2M | |
| 62 | Monroe County | Very Low | 3.21 / yr | $2M | |
| 63 | Columbia County | Very Low | 1.04 / yr | $2M | |
| 64 | Bradley County | Very Low | 1.21 / yr | $2M | |
| 65 | Lincoln County | Very Low | 1.00 / yr | $2M | |
| 66 | Nevada County | Very Low | 0.71 / yr | $2M | |
| 67 | Newton County | Very Low | 1.14 / yr | $2M | |
| 68 | Lee County | Very Low | 0.57 / yr | $1M | |
| 69 | Searcy County | Very Low | 1.18 / yr | $2M | |
| 70 | Drew County | Very Low | 1.64 / yr | $1M | |
| 71 | Dallas County | Very Low | 1.11 / yr | $1M | |
| 72 | Lafayette County | Very Low | 0.93 / yr | $1M | |
| 73 | Grant County | Very Low | 1.18 / yr | $2M | |
| 74 | Cleveland County | Very Low | 1.21 / yr | $1M | |
| 75 | Calhoun County | Very Low | 2.07 / yr | $1M |
75 Arkansas counties with measurable riverine flood risk. See the national riverine flood ranking or all Arkansas counties by overall risk.
Frequently Asked Questions
Which Arkansas county has the highest riverine flood risk?
Pulaski County has the highest FEMA riverine flood risk score in Arkansas at 96.8 (High), with $91M in expected annual losses and about 4.89 events per year.
How many Arkansas counties face significant riverine flood risk?
75 Arkansas counties record measurable riverine flood risk in FEMA's National Risk Index; 1 of them are rated High or Very High.