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–Not graded
Natural hazards in Bivalve · FEMA

Storms, floods and disasters in Bivalve

Bivalve isn’t graded for hazard risk: Bivalve has 175 residents; we grade towns of 1,000 or more.

Flood claims
0
paid since 1978 · $0
Disasters paid out here
1
of 9 declared for Wicomico County
By hazard

What Bivalve faces

Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.

Hurricanes

31%of expected building damage
Well above average · higher than 88% of U.S. census tracts
Recorded about once every 5 years in the area

River and rain flooding

29%of expected building damage
Well below average · lower than 89% of U.S. census tracts
Recorded about once every 1 years in the area

Coastal flooding

25%of expected building damage
Well above average · in the top 1% of U.S. census tracts

Wildfire

11%of expected building damage
Well above average · in the top 4% of U.S. census tracts
Smaller shares here
 Tornadoes Earthquakes Strong wind Ice storms Hail Winter storms Lightning Cold waves Heat waves Landslides
FEMA models no building damage here
AvalanchesTsunamisVolcanic activity
People, not buildings.Counting harm to people as well as buildings, FEMA’s model puts hurricanes at 46% of Bivalve’s expected losses. Hurricanes do little damage to buildings (30.6%), so they aren’t part of the grade.

Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Bivalve flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Bivalve. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.

of homes in flood zones are insured
of all homes are insured
No community discount

Bivalve isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Wicomico County.
What’s been done with FEMA grants
2flood-prone properties bought out and cleared
2homes raised above flood level
Disasters

1 federal disaster brought FEMA money to Bivalve

Disasters that paid out in Bivalve itself (aid to households or repair grants to Bivalve), newest first, with that year’s flood claims.

  1. 2003Hurricane Isabel4 households applied for aid$4K aid approved
Disasters declared, by decade
Paid out in BivalveWicomico County only

Wicomico County has had 9 natural disasters declared by the President since 1953, most often winter storms, then hurricanes and tropical storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Were you here?

Old photos of Bivalve after a storm or flood belong in the town’s history. Add one, or share what you remember below.

Add to the Bivalve archive →
Next door

Bivalve and its neighbors

How expected damage per building compares across the town line. Tap a town to see its hazards.

Lowest fifthSecondMiddleFourthHighest fifth
TownHazard riskMostly (buildings)Flood claims
Jesterville—42 residents; we grade 1,000+
Tyaskin—155 residents; we grade 1,000+

Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.

Be ready

Get ready for what Bivalve faces

A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.

Hurricane season
  • The season runs June through November and peaks from mid-August to mid-October.
  • Bring in porch furniture and anything the wind can throw.
  • Fill the gas tank and charge phones before the storm arrives.
More from Ready.gov ↗
When the river rises
  • Turn around at flooded roads: a foot of moving water can carry off a car.
  • Flood insurance usually takes 30 days to start, so buy it before the forecast.
  • Keep papers and medicines up high, in a grab-and-go bag.
More from Ready.gov ↗
When the tide surges
  • Know your evacuation zone and the way off the coast.
  • Storm surge comes fast: leave when you’re told, not when the water arrives.
  • Move cars to high ground before king tides and nor’easters.
More from Ready.gov ↗
Wildfire
  • Clear dead leaves and brush within 5 feet of the house.
  • Sign up for local alerts and know two ways out.
  • Keep N95 masks for smoky days.
More from Ready.gov ↗
Before you buy or rent
  • Look up the address on FEMA’s flood map.
  • Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
  • Get a flood insurance quote early: policies usually start 30 days after you buy.
When a storm is coming
Forecast and alertsWeather →911, the nearest ERSafety →

Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.

Questions about natural hazards in Bivalve

Is Bivalve in a flood zone?

Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Wicomico County, 35% of homes in mapped flood zones carry federal flood insurance, and 1.3% of all homes do.

How much is flood insurance in Bivalve?

FEMA’s Community Rating System list shows no discount for Bivalve’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.

What was the biggest storm in Bivalve?

By FEMA money that reached Bivalve, Hurricane Isabel (2003): 4 households applied for aid, $4K approved.

Storm stories

Memories, warnings and help from neighbors in Bivalve.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Bivalve’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.