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Watertown, Tennessee Flood Zones

Last updated: March 2026

Watertown faces flooding near Round Lick Creek in Wilson County. Heavy rainfall events cause creek overflows that threaten the small community east of Nashville.

Wilson County has recorded 572 NFIP flood insurance claims since 1978, totaling $11.2M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 4

NFIP Policies

866

Wilson County

Avg. Premium

$1,253/yr

Wilson County

FEMA Flood Risk Profile: Wilson 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: $31.1M

Hurricane Risk

Very Low

Est. annual loss: $39K

Social Vulnerability: Very Low
Community Resilience: Relatively High

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

Federal Flood Disaster History: Wilson County

Wilson County has been included in 1 federal flood-related disaster declaration.

2005Hurricane Katrina EvacuationHurricane

These declarations affected communities across Wilson County, including Watertown.

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

NFIP Flood Insurance Claims: Wilson County

Properties in Wilson County have filed 572 NFIP flood insurance claims totaling $11.2M in payouts since 1978. The average claim payout is $20K.

Highest-Claim Years

2010

236 claims - $5.6M

2021

92 claims - $3.6M

2013

32 claims - $411K

Claims by Flood Zone

Zone AE
230(avg. $26K)
Zone X
227(avg. $13K)
Zone A
82(avg. $25K)

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

Active NFIP Policies: Wilson County

Wilson County currently has 866 active NFIP flood insurance policies with an average annual premium of $1,253, totaling $1.1M in annual premiums.

Average Annual Premium

Wilson County$1,253
National Average$915

Policies by Flood Zone

Zone AE
513(avg. $1,467/yr)
Zone X
324(avg. $915/yr)
Zone A
29(avg. $1,243/yr)

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

Flood Insurance Coverage: Wilson County

An estimated 1% of households in Wilson County carry NFIP flood insurance. This county has elevated flood risk but very low insurance coverage, indicating a significant protection gap.

Penetration Rate

1%

Claims Ratio

1 in 2

policies have filed a claim

Avg. Claim Payout

$19,587

Derived from FEMA NRI population data and OpenFEMA NFIP policy/claims records.

Repetitive Loss Properties: Wilson County

Wilson County has 50 properties with multiple flood losses, including 8 severe repetitive loss properties.

Multiple Loss

50

Severe Rep. Loss

8

Mitigated

0

By Flood Zone

Zone AE
27
Zone X
20
Zone A
3

Source: OpenFEMA NFIP Multiple Loss Properties. Data sourced March 2026.

Recorded Flood Events: WILSON County

NOAA has recorded 99 flood events in WILSON County since 1996, causing $39.4M in damage and 1 death.

Costliest Events

19-AUG-10Flash Flood$22.0M
08-AUG-13Flash Flood$10M
18-AUG-10Flood$5.3M
28-MAR-21Flash Flood$1M
08-MAY-24Flash Flood$500K

Events by Type

Flash Flood
82
Flood
17

Source: NOAA Storm Events Database, 1996-2026. Data sourced March 2026.

Flood Mitigation: Wilson County

FEMA has funded mitigation for 4 properties in Wilson County, investing $0 in flood risk reduction.

By Action Type

Acquisition
4

Source: OpenFEMA Hazard Mitigation Assistance. Data sourced March 2026.

What Your Flood Zone Means in Watertown

Watertown 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 Watertown are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $31.1M.

Riverine flood risk in Watertown 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 Watertown address.

Flood Insurance Discount: Watertown

Watertown 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 8

SFHA Premium Discount

10% off

CRS classes range from 1 (best) to 10 (no discount). Watertown's Class 8 rating means NFIP policyholders in the SFHA can receive up to a 10% 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.

Watertown, TN Flood Zone FAQ

What flood zones are in Watertown, TN?

The most common FEMA flood zones in Watertown 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 Watertown?

If your Watertown 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 Watertown?

Enter your Watertown 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 Watertown offer flood insurance discounts?

Yes. Watertown participates in FEMA's Community Rating System (CRS) with a Class 8 rating, qualifying residents in the Special Flood Hazard Area for up to a 10% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Has Watertown experienced major flooding events?

Wilson County, where Watertown is located, has been part of 1 federal disaster declaration for flooding, hurricanes, or severe storms. The most recent was Hurricane Katrina Evacuation in 2005. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Watertown?

Wilson County has recorded 572 NFIP flood insurance claims totaling $11.2M in payouts since 1978. The year with the most claims was 2010, with 236 claims and $5.6M in payouts. These figures cover all NFIP claims in the county, including Watertown.

How many flood insurance policies are active in Watertown?

Wilson County currently has 866 active NFIP flood insurance policies with an average annual premium of $1,253. The most policies are in Zone AE (513 policies). These figures cover all active NFIP policies in the county.

How many Watertown properties have flooded repeatedly?

Wilson County has 50 properties with multiple flood losses on record, including 8 severe repetitive loss properties. These are properties that have experienced four or more NFIP claims of $5,000+ or two claims exceeding the building value.

Can my Watertown 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 Watertown?

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 Watertown'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 Watertown, TN Address

Enter a Watertown, TN 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.