Hallway with water on the floor leading to an open back door after rain came in

Flood Damage vs Water Damage: What Is the Difference?

To you it is all water on the floor. To the cleanup crew and to an insurer, where it came from changes almost everything: how dirty it is, what has to come out, and which policy, if any, applies.

Call (844) 906-3984 How It Works

The short version

Water damage usually means water that started inside the building or came through it: a burst supply line, a failed water heater, an overflowing toilet, an AC drain pan, a roof leak during a storm. Flood damage means outside water rising over the ground and into the building, usually reaching more than one property at the same time.

The federal flood program makes the line precise. FloodSmart, run by the National Flood Insurance Program, defines a flood as a general and temporary condition of partial or complete inundation of two or more acres of normally dry land, or of two or more properties, at least one of them the policyholder's, from the overflow of inland or tidal waters, an unusual and rapid accumulation or runoff of surface waters, mudflow, or the collapse of land along a shore.

Living room carpet rolled back to expose a wet floor after water came in

Side by side

	Water damage	Flood damage
Where it starts	Inside the home or through the building envelope	Outside, rising over the ground
Examples	Burst pipe, washer hose, water heater, toilet, AC condensate line, roof leak	Street flooding from heavy rain, storm surge, a canal over its banks, a king tide in a low lot
How many properties	Often one home or one unit and the units below	By the NFIP definition, two or more properties or two or more acres
How dirty	Clean to gray water, depending on the source	Treated as black water: the CDC says floodwater can carry waste and debris
Usual cleanup	Extract, remove what is soaked, dry, verify	Same, plus disinfection and wider removal of porous materials
Insurance	Depends on your homeowners or condo policy wording	FEMA says most homeowners policies exclude it; a flood policy is separate

Why the difference matters for the cleanup

A Northern Arizona University guideline drawn from the IICRC S500 standard puts flooding that mixes sewage with rainwater, and rising water from rivers or streams, in Category 3, the most contaminated class of water. That has practical effects. The EPA's flood cleanup sheet says to remove standing water as soon as possible and to throw away materials that soak up a lot of water, such as drywall, carpets and ceiling tiles, when they cannot be cleaned and dried within 24 to 48 hours. For a clean supply-line leak caught quickly, more of the house can often be dried in place.

So when you call, say plainly whether the water came from inside or outside. It tells the company what protective gear, cleaning and removal to plan for.

Around floodwater

If anyone is hurt or in danger, call 911 first.
Stay out of standing water that may touch outlets, cords or appliances. Do not try to fix anything electrical.
If it is safe to reach, shut off the main water valve to stop a leak.
Stay out of floodwater; it can carry sewage and debris.

Wet hallway floor with water-stained baseboards along both walls

Why the difference matters for the paperwork

Separate policies

FEMA says most homeowners insurance does not cover flood damage, and that flood insurance is available to anyone in one of the 22,600 communities that take part in the NFIP. The Florida Department of Financial Services notes that Citizens Property Insurance may require flood coverage for certain applicants.

Waiting periods

FEMA says there is typically a 30-day waiting period before a new NFIP policy takes effect. Buying a policy when a storm is already forecast usually does not help with that storm.

Florida's notice deadline

Florida Statute 627.70132 bars a property insurance claim unless notice reaches the insurer within one year after the date of loss, and a supplemental claim within 18 months. Flood policies have their own rules; read yours.

Both at once

A hurricane can bring wind-driven rain through a damaged roof and surge through the front door. Report to every insurer you have and let them sort out which loss is which.

The line does not give insurance advice and cannot promise any claim will be paid. For free help with a claim, Florida's Department of Financial Services runs a consumer helpline at 1-877-693-5236.

How to report flood damage in South Florida

Photograph everything firstThe waterline on walls, every room, the outside of the house and the street, before cleanup starts.
Call your insurersYour homeowners or condo insurer and any flood insurer, separately. Write down claim numbers.
Tell your city or countyThe City of Miami asks residents to report king tide and flooding conditions through its flooding report page or ISeeChange. Miami-Dade County takes flood complaints and site visit requests at 305-372-6688.
Check your flood zoneMiami-Dade's flood zone tool and hotline (305-372-6466) can tell you your FEMA zone, which helps with insurance questions later.
Get the cleanup startedWaiting for an adjuster before drying can let mold start. Keep receipts and the company's moisture logs for the claim.

Call and say the water came from outside. You are connected with an independent company that handles flood cleanup in your area.

Call (844) 906-3984

Homeowner photographing water damage in a living room to document it for an insurer

About this line: Dominion Water Damage is a free phone line, not a restoration company. It answers your call and connects you with an independent local water damage restoration company, which inspects, quotes and does the work, and which you pay directly. Companies may pay a referral fee. You never pay the line. See how the line works.

Common questions

What is considered flood damage?

Under the National Flood Insurance Program's definition, a flood is a general and temporary condition of partial or complete inundation of two or more acres of normally dry land, or of two or more properties (at least one of them yours), from overflowing inland or tidal waters, an unusual and rapid runoff of surface water, or related mudflow or shoreline collapse. Damage from that water is flood damage.

Is a burst pipe flood damage or water damage?

A pipe bursting inside one home does not meet the program's definition of a flood, which requires water over a wider area or more than one property. It is usually called water damage. How any policy treats it depends on its own wording, so ask your insurer.

How do I report flood damage?

Report it to your insurers first, including any separate flood policy, with photos. In the City of Miami, king tide and flooding conditions can be reported through the city's flooding report page or ISeeChange, and Miami-Dade County takes flood complaints and site visit requests at 305-372-6688. If a federal disaster is declared, follow FEMA's instructions for your county.

Does homeowners insurance cover flood damage?

FEMA says most homeowners insurance does not cover flood damage, and that flood protection has to be bought as its own policy, typically with a 30-day waiting period before an NFIP policy takes effect. The line cannot tell you what your policy covers; your agent can.

What are some examples of flood damage?

Rainwater that filled the street and came in under the doors, storm surge pushed ashore by a hurricane, a canal or lake rising over its banks into homes, and tidal water flooding low lots during a king tide are all outside water that typically reaches more than one property at once.

Water where it should not be? Make one call

Call the free line any hour. Say what happened and whether water is still coming in, and the call is put through to an independent, locally owned restoration company that serves your area. That company looks at the damage and gives you its own price.