riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Ottawa County Disaster Risk

Ottawa County, Kansas

FEMA Risk Rating

Very Low

National Percentile

17th

of 3,144 counties

State Rank

#63

of 105 (1 = highest risk)

Flood Risk

24th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 24% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 73% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 44% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 11% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Ottawa County, Kansas

Ottawa County: very low risk nationwide

Ottawa County's composite risk score of 16.89 sits well below Kansas's state average of 29.89, earning a very low risk rating nationally. Residents face significantly reduced exposure to major natural disasters compared to most U.S. counties.

Among Kansas's safest counties

Ottawa County ranks in the safer tier of Kansas counties for natural disaster risk, scoring roughly 43% below the state average. This strong safety profile reflects relatively low exposure across multiple hazard categories statewide.

Lower risk than Republic and Cloud

Ottawa County's 16.89 score outperforms neighboring Republic and Cloud Counties, both facing higher tornado and wildfire exposure in north-central Kansas. The county benefits from a favorable risk profile relative to regional peers.

Wildfire and tornado: manageable hazards

Wildfire risk (72.65) and tornado risk (43.89) represent Ottawa County's primary natural hazards, though both remain below state averages for their respective categories. Flood risk is modest at 23.98, and earthquake risk is minimal at 11.26.

Secure wildfire and wind protection

Ottawa County homeowners should ensure comprehensive wildfire and wind damage coverage through their standard homeowner's policy, reflecting the county's primary hazard exposure. Review your coverage annually and maintain defensible space around your property as a first-line defense against wildfire.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Ottawa County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    73th percentile
  2. #2
    TornadoPrepare
    44th percentile
  3. #3
    FloodPrepare
    24th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Ottawa County

Risk Verdict

Compared to the nation's 3,144 counties, Ottawa County ranks at the 17th percentile for natural disaster risk — toward the safer end of the spectrum. Residents of Ottawa County can use the 17th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.

Hazard Breakdown

Wildfire risk is Ottawa County's dominant natural hazard, ranked at the 73th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 44th percentile nationally. Additional tracked hazards include flood (24th percentile), earthquake (11th percentile), hurricane (0th percentile).

Preparedness Context

Ottawa County sits at the 73th percentile for wildfire exposure. Signing up for Ottawa County's county emergency alert system and knowing the pre-planned evacuation route before conditions deteriorate are the two highest-value preparedness actions for residents here. The county's tornado exposure at the 44th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. In Ottawa County, wildfire smoke often precedes the flame front by hours or days; households benefit from tracking EPA's AirNow.gov and having HEPA air filtration available as a first line of indoor protection when air quality alerts are issued.

Regional Context

At 13.0 points below the Kansas state average, Ottawa County is among the lower-risk counties in the state for natural disaster exposure.

Is your household prepared for Ottawa County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Ottawa County, KS?
Ottawa County has a FEMA National Risk Index rating of Very Low, placing it in the 17th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Ottawa County?
Ottawa County is evaluated for five major natural hazard types: wildfire (73th percentile), tornado (44th percentile), flooding (24th percentile), earthquake (11th percentile), hurricane (0th percentile). The highest-risk hazard is wildfire at the 73th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Ottawa County risk compare to the Kansas average?
Ottawa County's composite risk percentile is 17th, compared to the Kansas state average of 30th percentile. The state's overall risk rating is Very Low. This means Ottawa County faces lower natural disaster risk than the typical county in Kansas.
Is Ottawa County at risk for wildfire?
Yes, Ottawa County's wildfire risk is at the 73th percentile nationally. This is above the national median. For flooding specifically, Ottawa County is at the 24th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Is Ottawa County a safe place to live?
Ottawa County's composite risk score of 17th percentile is below the Kansas state average of 30th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 73th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.