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FludZone

Bonner Springs, Kansas Flood Zones

Last updated: March 2026

Bonner Springs in Wyandotte County faces flooding from the Kansas River. The city is situated along the river corridor and is vulnerable to major flood events from upstream rainfall and dam releases.

Wyandotte County has recorded 430 NFIP flood insurance claims since 1978, totaling $10.6M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 7

NFIP Policies

202

Wyandotte County

Avg. Premium

$1,765/yr

Wyandotte County

FEMA Flood Risk Profile: Wyandotte County

Based on FEMA's National Risk Index, which evaluates flood risk at the county level using historical loss data, exposure, and vulnerability.

Inland Flood Risk

Relatively Moderate

Est. annual loss: $21.7M

Social Vulnerability: Relatively Moderate
Community Resilience: Relatively Moderate

Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.

Federal Flood Disaster History: Wyandotte County

Wyandotte County has been included in 6 federal flood-related disaster declarations.

2011FloodingFlood
2005Hurricane Katrina EvacuationHurricane
1993Severe Storms & FloodingFlood
1977Severe Storms & FloodingFlood
1973Severe Storms & FloodingFlood

...and 1 earlier declaration since 1973.

These declarations affected communities across Wyandotte County, including Bonner Springs.

Source: OpenFEMA Disaster Declarations Summaries API. Data sourced February 2026.

NFIP Flood Insurance Claims: Wyandotte County

Properties in Wyandotte County have filed 430 NFIP flood insurance claims totaling $10.6M in payouts since 1978. The average claim payout is $25K.

Highest-Claim Years

1998

74 claims - $3.1M

1993

59 claims - $2.5M

2004

43 claims - $1.4M

Claims by Flood Zone

Zone X
193(avg. $24K)
Zone A
165(avg. $26K)
Zone AE
34(avg. $43K)
Zone AO
1

Source: OpenFEMA NFIP Claims API. Data sourced March 2026. See national claims data.

Active NFIP Policies: Wyandotte County

Wyandotte County currently has 202 active NFIP flood insurance policies with an average annual premium of $1,765, totaling $357K in annual premiums.

Average Annual Premium

Wyandotte County$1,765
National Average$915

Policies by Flood Zone

Zone X
110(avg. $1,903/yr)
Zone AE
87(avg. $1,543/yr)
Zone AH
3(avg. $3,862/yr)
Zone A
2(avg. $766/yr)

Source: OpenFEMA NFIP Policies API. Data sourced March 2026.

What Your Flood Zone Means in Bonner Springs

Bonner Springs faces flood risk primarily from river and stream overflow during heavy rainfall, snowmelt, or upstream dam releases. When rivers exceed their banks, floodwaters spread across low-lying areas mapped in AE and A zones. The most common FEMA flood zone designations in Bonner Springs are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $21.7M.

Riverine flood risk in Bonner Springs is driven by the proximity and elevation of properties relative to nearby waterways. Properties closer to rivers with lower ground elevations typically face higher flood insurance premiums under FEMA's Risk Rating 2.0. If your property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance.

River flood maps can change when FEMA conducts new Flood Insurance Studies or when development alters drainage patterns. Letters of Map Amendment (LOMA) can remove individual properties if the natural ground elevation was always above the Base Flood Elevation and the property was inadvertently mapped in the SFHA. Use our free lookup tool to check the current flood zone for any Bonner Springs address.

Flood Insurance Discount: Bonner Springs

Bonner Springs participates in FEMA's Community Rating System (CRS), a voluntary program that rewards communities for flood mitigation efforts beyond minimum NFIP requirements. Residents in the Special Flood Hazard Area may qualify for reduced flood insurance premiums.

CRS Class

Class 7

SFHA Premium Discount

15% off

CRS classes range from 1 (best) to 10 (no discount). Bonner Springs's Class 7 rating means NFIP policyholders in the SFHA can receive up to a 15% discount on their flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Source: FEMA Community Rating System, October 2025. Discounts apply to NFIP policies only.

Bonner Springs, KS Flood Zone FAQ

What flood zones are in Bonner Springs, KS?

The most common FEMA flood zones in Bonner Springs are Zone AE, Zone X. Properties in these high-risk zones (SFHA) may require flood insurance with a federally regulated or government-backed mortgage.

Is flood insurance required in Bonner Springs?

If your Bonner Springs property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance. Properties in Zone X are not federally required to carry flood insurance, though coverage is still recommended since over 40% of all NFIP flood claims come from Zone X properties.

How do I check my flood zone in Bonner Springs?

Enter your Bonner Springs address in the search tool above for an instant flood zone determination. Results include your FEMA flood zone, SFHA status, base flood elevation (if available), and FIRM panel information, pulled directly from FEMA's National Flood Hazard Layer.

Does Bonner Springs offer flood insurance discounts?

Yes. Bonner Springs participates in FEMA's Community Rating System (CRS) with a Class 7 rating, qualifying residents in the Special Flood Hazard Area for up to a 15% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Has Bonner Springs experienced major flooding events?

Wyandotte County, where Bonner Springs is located, has been part of 6 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Flooding in 2011. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Bonner Springs?

Wyandotte County has recorded 430 NFIP flood insurance claims totaling $10.6M in payouts since 1978. The year with the most claims was 1998, with 74 claims and $3.1M in payouts. These figures cover all NFIP claims in the county, including Bonner Springs.

How many flood insurance policies are active in Bonner Springs?

Wyandotte County currently has 202 active NFIP flood insurance policies with an average annual premium of $1,765. The most policies are in Zone X (110 policies). These figures cover all active NFIP policies in the county.

Can my Bonner Springs property be removed from a high-risk flood zone?

Yes, if your property's natural ground elevation is above the Base Flood Elevation and FEMA inadvertently mapped it in a high-risk zone, you can apply for a Letter of Map Amendment (LOMA). A successful LOMA removes the property from the Special Flood Hazard Area, generally eliminating the federal mandatory flood insurance requirement. You will need an elevation certificate from a licensed surveyor. If a property was raised above the BFE with fill material, the process is a LOMR-F rather than a LOMA.

What is Base Flood Elevation in Bonner Springs?

Base Flood Elevation (BFE) is the predicted height of floodwaters during a 1% annual chance (100-year) flood, shown on FEMA maps as an elevation number in feet above sea level. In Bonner Springs's Zone AE areas, BFE lines appear on the FIRM as wavy contours labeled with elevation values. Properties with a lowest floor at or above the BFE typically qualify for significantly lower NFIP flood insurance premiums.

Look Up Any Bonner Springs, KS Address

Enter a Bonner Springs, KS address to instantly check its FEMA flood zone designation, SFHA status, and insurance requirements.

Disclaimer: Flood risk data on this page is sourced from FEMA datasets including the National Risk Index, NFIP claims and policy records, disaster declarations, and the Community Rating System. These datasets were last extracted on March 2026 and may not reflect the most recent changes. This page is for informational purposes only and is not a certified flood zone determination. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.