Blog · October 14, 2026 · Mississippi
Webster County Flood Zone Map, Mississippi
FEMA's free flood maps and the Webster County parcel viewer, used together for property near Mantee.
Main page: Webster County, MS GIS & Parcel Viewer (official map link, Webster County facts and neighboring maps).
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A Webster County flood zone map check belongs in the due diligence for any Webster County property, from a house lot in Mantee to farm ground near Mathiston. You can check it yourself for any Mantee address in a few minutes.
Next: FEMA's search tool, the zone labels you'll see for Webster County, and how the parcel record confirms which tract you're on.
Where to see the official Webster County flood zone map
FEMA's official flood maps for Webster County are free at the FEMA Flood Map Service Center. Search returns the effective FIRM panel for the spot in Webster County, plus any pending changes FEMA has posted. On acreage outside Mathiston, FEMA's National Flood Hazard Layer viewer draws the zones over aerial imagery, so you can see whether the shading reaches a house near Eupora. Switch to the Webster County ArcGIS parcel map and track down the same tract close to Eupora. Match the Webster County lines and acreage to the FEMA view, since flood maps don't draw property lines in detail.
Step one: the free Webster County viewer
Webster County publishes its parcels on the Webster County ArcGIS parcel map, which runs on an Esri ArcGIS web map, free to use for a lot in Mathiston or a tract close to Walthall. Click any Webster County parcel near Mathiston to open its record: owner, parcel ID and assessed acreage are most commonly listed. Bookmark our Webster County page too; it tracks the official Mississippi link if it moves and lists the maps around Mathiston.
Reading the zones on a Webster County flood map
Any Webster County parcel shaded as Zone A, AE, AH or AO sits in what FEMA calls a Special Flood Hazard Area, land with a 1-percent chance of flooding in any given year (the base or 100-year flood). Where a Webster County tract shows Zone AE, there's a base flood elevation to compare a building against; in Zone A there is not one. If a Webster County parcel shows shaded Zone X, it is moderate risk, between the 1-percent and 0.2-percent annual chance lines. Unshaded Zone X near Eupora is minimal risk.
Near the Webster County line
Webster County borders Calhoun County, Chickasaw County, Choctaw County, Clay County, and Grenada County, and each keeps its own parcel map and records. Our Mississippi page links each map neighboring Webster County.
Unmapped creeks in Webster County
A creek near Eupora that shows no detailed zone, which is why it's worth walking the ground after a heavy rain.
Seller questions about flood history
For a house near Eupora, ask the seller for any elevation certificate on file and the current flood insurance declarations page. An agent working in Webster County can quote flood coverage once you know the zone for the lot near Eupora.
What a flood zone means for a Webster County buyer
Here's why the zone matters at a closing in Mathiston. If a house near Eupora sits in a Special Flood Hazard Area and secures a loan from a federally regulated or insured lender, flood insurance is mandatory under the Flood Disaster Protection Act, wherever the community joins the NFIP. For a Webster County home in shaded or unshaded X, federal rules don't require a policy, although a lender in Mississippi can still ask for it. Where a structure near Mathiston looks higher than the shading suggests, the owner can ask FEMA for a Letter of Map Amendment (LOMA), most commonly backed by an elevation certificate from a surveyor who works in the county. Building or filling inside a mapped zone near Mathiston commonly requires a permit and an elevation check, so call the county or the town office in Mathiston before work starts.
Webster County, MS: common questions
What is a base flood elevation for a Webster County property?
For a county property in Zone AE, the base flood elevation marks how high the 100-year flood is expected to rise, and a surveyor compares the building near Walthall to it.
Is flood insurance required for a Zone X lot in Walthall?
Not under federal rules; Zone X in Webster County is outside the Special Flood Hazard Area, although a lender can still require coverage.
Can I see flood zones on the Webster County GIS map?
Check the layer list in the Webster County ArcGIS parcel map; if Webster County includes a floodplain layer, confirm the zone on FEMA's map anyway.
Can a flood zone in Webster County be changed?
FEMA reviews requests such as a LOMA for Webster County properties; start with an elevation certificate.
What does 100-year flood mean for Webster County land?
Not at all; a county tract in that zone has a 1-percent chance of flooding every year, and two floods in one decade near Walthall are possible.
Open the official Webster County, MS parcel map Webster County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.