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Is Floodwater Safe? What Florida Homeowners Should Know

The short answer to the question in the title is no. Floodwater is not safe water, and it should not be touched, drunk, cooked with, washed in, or cleaned up without professional protection and equipment. That answer surprises some people, because floodwater often looks like ordinary rainwater, especially when it is only a few inches deep on a floor or a street. What it looks like and what it carries are two different things, and the difference is what makes it dangerous.

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This guide explains what floodwater may carry, why contact with it should be avoided, why cleanup is professional-only work, and what to do instead. It gives no health advice beyond avoiding contact and calling a professional, because health advice is a matter for a medical professional, not a restoration guide. What it does give is a clear explanation of the risk, so that the decision to stay out of the water is an informed one rather than a guess.

Floodwater is not safe water

Floodwater is water that has travelled across streets, yards, drains and floors, picking up whatever it passes on the way. It may carry sewage from overwhelmed drains, chemicals from garages and gardens, fuel from vehicles, and bacteria from animal waste and soil, in general terms. None of that is visible in the water itself, which can look clear or only slightly discoloured, and none of it is removed by letting the water sit or by boiling it. The water that comes into your home during a flood has crossed a large area before it reaches you, and it brings that area with it.

Even water that starts as rain becomes floodwater once it has mixed with what is on the ground, and the longer it sits, the more it picks up. Standing water inside a home after a flood has also been in contact with building materials, furnishings and any sewage that backed up during the event, which adds to what it carries. That is why floodwater is treated as Category 3 black water, the same category as sewage, and why it is handled as a health hazard rather than as ordinary water. The flood damage cleanup page explains how professional cleanup treats floodwater.

What floodwater may carry

In general terms, floodwater may carry sewage, chemicals and debris, and each of those brings its own problems. Sewage from overwhelmed drains or septic systems is the most serious, because it carries bacteria and other contaminants that are a health hazard on contact. Chemicals can come from household products, garden treatments, fuel and solvents that have been stored in garages and sheds, and they can irritate skin and eyes on contact. Debris ranges from sharp objects such as glass and metal to larger items that have been moved by the water, and it is often hidden under the surface where it cannot be seen.

Floodwater can also hide hazards that have nothing to do with what it carries. Open drains, uncovered manholes, damaged electrical systems and weakened floors can all be hidden under a few inches of murky water, and none of them is visible from the surface. That is why wading through floodwater is dangerous even when the water itself is shallow, and why the advice is to avoid contact entirely rather than to judge the water by how it looks. A street that looks passable can hide an open drain, and a room that looks safe can hide a live electrical hazard.

Is Floodwater Safe? What Florida Homeowners Should Know — Florida water damage guide

Avoid contact and keep others away

Avoiding contact means not stepping in floodwater, not touching it with bare hands, and not letting children or pets near it. Children are at particular risk because they are more likely to put their hands in the water or to fall into it, and pets can carry contamination into the house on their paws and fur. Keep the affected rooms closed off if you can, and keep everyone out of them until a professional has looked at the situation. Do not use floodwater for any purpose, including cleaning, and do not let it come into contact with food, cooking surfaces or drinking water supplies.

If you have already come into contact with floodwater, wash the affected skin with clean water and soap as soon as you can, and change out of any clothing that got wet. That is general hygiene advice, not medical advice, and if you feel unwell after contact with floodwater, speak to a medical professional. Do not try to clean up floodwater yourself, and do not use a household mop or wet vacuum on it, because that can spread contamination to clean areas of the house.

Professional-only cleanup

Flood damage cleanup is professional-only work, because it involves contaminated water, hidden moisture, and materials that may need to be removed where necessary. A professional visit covers the inspection, the removal of contaminated water, the removal of affected materials where necessary, cleaning, and drying, in general terms, and it is carried out with the right protection and equipment. The exact methods are for the operator to confirm, and no outcome is promised for any specific property.

If your home has been flooded, call a water damage restoration professional and describe what happened in plain terms: when the flooding happened, which rooms are affected, and how high the water reached. While you wait, take photographs from safe, dry positions and keep a written record of what was affected, because that record is useful for insurance purposes in general terms. In Jacksonville and across Northeast Florida, the water damage restoration in Jacksonville page is the local starting point for the same statewide help described here.

Floodwater and children, pets and gardens

Children are at particular risk from floodwater, because they are more likely to put their hands in the water, to fall into it, or to play in it without understanding the danger. Keep children well away from floodwater inside and outside the home, and do not let them play in or near standing water, even when it looks shallow and clean. Explain to them in simple terms that the water is not safe to touch, and keep them out of rooms that have been flooded until a professional has looked at the situation. A child who has come into contact with floodwater should wash with clean water and soap as soon as possible, and if they feel unwell afterwards, speak to a medical professional.

Pets need the same care, because they can carry contamination into the house on their paws and fur, and they can drink floodwater without knowing it is unsafe. Keep pets away from flooded rooms and from standing water outside, and wash their paws with clean water if they have been in contact with floodwater. Do not let pets drink from puddles or from water that has been in contact with the ground after a flood, and keep their food and water bowls away from any area that has been flooded. If a pet seems unwell after contact with floodwater, speak to a veterinarian.

Gardens and outdoor areas need care too, because floodwater can leave contamination on soil, plants and outdoor surfaces. Do not let children play in a garden that has been flooded until it has been checked, and do not eat anything grown in soil that has been in contact with floodwater. Wash outdoor furniture, toys and tools that were in the water with clean water, and leave anything that cannot be cleaned properly for a professional to assess. The garden is part of the home, and the same rule applies to it as to the rooms inside: floodwater is not safe water, and contact with it should be avoided.

Key Takeaways

Floodwater is water that has travelled across streets, yards, drains and floors, picking up whatever it passes on the way.
In general terms, floodwater may carry sewage, chemicals and debris, and each of those brings its own problems.
Avoiding contact means not stepping in floodwater, not touching it with bare hands, and not letting children or pets near it.
Flood damage cleanup is professional-only work, because it involves contaminated water, hidden moisture, and materials that may need to be removed where necessary.
Children are at particular risk from floodwater, because they are more likely to put their hands in the water, to fall into it, or to play in it without understanding the danger.

Your Next Step

If this guide matches what you found at home, the next step is a visit — not a guess. Call and describe what you found, and the visit is arranged from what you describe. The Water Damage Restoration page explains what that service covers, and the water damage restoration page explains how the full job is put together when more than one room is affected.

Do not step into standing water where electrics may be involved, and if water is still coming in, turn off the main water supply for the home where you can reach it safely.

Keep the guides on this site bookmarked: the first guide, the signs guide, and the preparation guide cover the checks worth repeating — after moving in, and after a storm or heavy rain.

Water damage help is available across Florida. See water damage restoration in Everglades, FL for one local example, or find your town on the service areas page.