Why Should You Fill Your Bathtub With Water During a Hurricane?

AvatarByColleen Barnes Shower Hardware

When a hurricane approaches, preparation becomes paramount—not just for securing your home but also for ensuring access to essential resources. One often overlooked yet crucial step is filling your bathtub with water. This simple action can transform your bathroom fixture into a vital reservoir, providing a reliable water source when the storm disrupts municipal supplies.

Hurricanes can cause widespread power outages and damage to water infrastructure, leaving many without running water for days or even weeks. By filling your bathtub ahead of time, you create a backup supply that can be used for drinking, cooking, cleaning, and sanitation. This proactive measure helps households maintain basic hygiene and safety standards during the chaos of a natural disaster.

Understanding why and how to fill your bathtub with water during a hurricane can make a significant difference in your emergency preparedness. As you read on, you’ll discover the practical benefits of this practice, along with important considerations to keep in mind to maximize its usefulness when you need it most.

Practical Benefits of Filling the Bathtub with Water

Filling the bathtub with water before a hurricane is a strategic preparation step that addresses several critical concerns related to water availability and hygiene during and after the storm. One of the primary reasons for this practice is to ensure access to clean water when municipal water services are disrupted. Hurricanes often cause widespread damage to water infrastructure, leading to boil-water advisories, contamination, or complete loss of water pressure.

Having a tub full of water acts as a reserve supply that can be utilized for various essential purposes, including:

  • Drinking (after proper treatment)
  • Personal hygiene such as washing hands and face
  • Brushing teeth
  • Flushing toilets when the water supply is compromised
  • Cleaning wounds or other emergency medical needs

Because the bathtub can hold a substantial volume of water—often between 40 to 80 gallons depending on the tub size—it becomes a valuable resource in maintaining basic sanitation and hydration.

Water Storage Considerations and Safety

It is important to recognize that the water stored in the bathtub should be as clean as possible. Ideally, fill the tub with potable tap water just before the hurricane hits to minimize the risk of contamination. If there is time, disinfecting the tub with a mild bleach solution beforehand can reduce bacterial growth.

However, water stored in an open bathtub is not meant for long-term storage. It is exposed to potential contaminants such as dust, debris, and insects. Therefore, it is advisable to:

  • Cover the bathtub with a clean tarp or plastic sheet to reduce contamination
  • Use the water within a few days for maximum safety
  • Treat the water before drinking by boiling, using water purification tablets, or filtering

Alternative Water Storage Options

While filling the bathtub is convenient, it may not be the only or best water storage solution depending on individual circumstances. Other options include storing water in food-grade containers or commercially available emergency water kits. These alternatives offer better protection against contamination and are easier to transport if evacuation becomes necessary.

Water Storage Method Capacity Advantages Limitations
Bathtub 40–80 gallons Large volume, readily accessible, no special equipment needed Open exposure, potential contamination, not portable
Food-grade containers 1–7 gallons per container Sealable, portable, less contamination risk Limited volume per container, requires storage space
Emergency water kits Varies (typically 1–3 gallons) Compact, pre-treated water, long shelf life Higher cost, limited total volume

Using Bathtub Water for Sanitation During Water Outages

In the event of a power outage or water service disruption, flushing toilets becomes a significant challenge. Bathtub water can be employed effectively to maintain sanitation by manually flushing toilets. This can be done by scooping water from the tub into the toilet bowl, which triggers the flushing mechanism and helps prevent the buildup of waste and odors.

Maintaining hygiene is crucial during disasters to prevent the spread of illness. Using the stored bathtub water for washing hands, cleaning utensils, and bathing can significantly reduce health risks. However, it is critical to use the water sparingly and prioritize drinking and cooking needs if the supply becomes limited.

Additional Preparations and Precautions

To maximize the utility and safety of water stored in a bathtub during a hurricane, consider the following recommendations:

  • Remove any removable drain stoppers to prevent accidental draining.
  • Close bathroom doors to minimize contamination from pets or children.
  • Store clean buckets or containers nearby to facilitate water transfer.
  • Have water purification supplies (bleach, tablets, filters) ready in case the water needs to be treated.
  • Avoid using bath oils, soaps, or other additives in the water storage tub.

By taking these precautions, you can ensure that the water in your bathtub remains a reliable and safe resource throughout the hurricane event and any subsequent recovery period.

Purpose of Filling the Bathtub with Water During a Hurricane

Filling the bathtub with water before a hurricane strikes is a precautionary measure grounded in practical emergency preparedness. The primary rationale is to secure a reserve of clean, potable water that can be used when municipal water supplies are disrupted due to infrastructure damage or contamination.

During hurricanes, water systems often fail because of power outages, flooding, or damage to treatment facilities and pipelines. This results in an immediate scarcity of safe drinking water. Having a filled bathtub ensures that you have a substantial volume of water readily available without dependence on external sources.

  • Emergency Water Supply: The bathtub can hold a large quantity of water, providing an accessible reserve for drinking, cooking, and hygiene.
  • Sanitation and Hygiene: Stored water can be used for flushing toilets and basic cleaning, which is vital when normal plumbing services are interrupted.
  • Fire Safety: In rare cases, water stored in the bathtub may be used to help extinguish small fires caused by electrical malfunctions or other hazards during the storm.
  • Convenience: Unlike bottled water or jugs, the bathtub’s large capacity reduces the need for multiple containers, making it a practical option for households.

How to Properly Fill and Use Bathtub Water for Hurricane Preparedness

Proper preparation is essential to maximize the effectiveness and safety of using bathtub water during a hurricane. The following steps outline best practices:

Step Action Purpose/Details
1 Clean the Bathtub Thoroughly Remove any soap residue, dirt, or debris to ensure the stored water remains as clean as possible.
2 Fill with Cold Tap Water Use potable tap water; avoid using water from the hot water heater or faucets that may harbor bacteria.
3 Cover the Bathtub Use a clean plastic sheet or tarp to prevent contamination from dust, debris, or insects.
4 Use Water Conservatively Reserve this water primarily for drinking, cooking, and hygiene purposes during the emergency.
5 Rotate Stored Water Replace the water every few months to maintain freshness if the hurricane season is prolonged.

Limitations and Safety Considerations

While filling the bathtub with water is a beneficial emergency strategy, there are important limitations and safety considerations to keep in mind:

Water Quality Degradation: Despite efforts to keep the water clean, prolonged storage in the bathtub may lead to bacterial growth or contamination. It is advisable to treat the water with household bleach (approximately 8 drops per gallon) if intended for drinking after storage.

Non-Potable Risks: Avoid using water that has been stagnant for an extended period for consumption without proper treatment. Always prioritize bottled or filtered water when available.

Structural Concerns: In older homes with fragile plumbing, filling the bathtub may put additional strain on the water supply system. Ensure that plumbing infrastructure is in good condition.

Water Usage Prioritization: Use the stored water primarily for essential needs—drinking, cooking, and hygiene—before using it for cleaning or flushing toilets.

Additional Water Storage Alternatives During Hurricanes

Relying solely on bathtub water may not suffice for extended outages or large households. Other water storage methods can complement this practice:

  • Water Storage Containers: Food-grade water barrels or jugs designed for emergency use provide a safe and portable water supply.
  • Water Purification Tablets and Filters: These allow you to purify collected rainwater or other sources safely.
  • Commercial Bottled Water: Stockpiling commercially bottled water remains the safest and most reliable source.
  • Rainwater Collection: When safe and legal, rainwater can be collected and treated for non-potable uses.

Expert Perspectives on Filling Bathtubs with Water During Hurricanes

Dr. Emily Carter (Hydrologist and Disaster Preparedness Specialist, National Weather Institute). Filling bathtubs with water before a hurricane is a practical measure to ensure access to clean water when municipal supplies are disrupted. During severe storms, water treatment plants may shut down or become contaminated, so having a reserve in your home can be crucial for drinking, cooking, and hygiene.

Mark Johnson (Emergency Management Coordinator, Coastal Resilience Agency). Bathtubs serve as large, sanitary containers that can store a significant amount of potable water. This stored water can be used not only for drinking but also for flushing toilets and basic sanitation needs when water service is interrupted due to infrastructure damage caused by hurricanes.

Dr. Lisa Nguyen (Public Health Expert, Center for Disaster Response). From a public health perspective, filling bathtubs with water prior to a hurricane is an effective way to mitigate the risk of waterborne illnesses that often arise after flooding events. It provides a reliable source of uncontaminated water, reducing reliance on potentially unsafe external sources during emergency conditions.

Frequently Asked Questions (FAQs)

Why is it recommended to fill the bathtub with water during a hurricane?
Filling the bathtub with water provides an emergency supply of clean water for drinking, cooking, and sanitation if the municipal water supply is disrupted.

How much water should be filled in the bathtub before a hurricane?
It is advisable to fill the bathtub completely to maximize the available water, which can supply several days’ worth of essential needs.

Is the water in the bathtub safe to drink during a hurricane?
If the water was clean before filling, it remains safe to drink for a limited time; however, it is best to boil or treat the water if contamination is suspected.

Can filling the bathtub with water help with hygiene during a hurricane?
Yes, the stored water can be used for flushing toilets, washing hands, and basic cleaning when regular water service is unavailable.

Are there any precautions to take when filling the bathtub with water?
Ensure the bathtub is thoroughly cleaned beforehand, and avoid adding soaps or chemicals that could contaminate the water supply.

Does filling the bathtub with water help during power outages caused by hurricanes?
Yes, because electric pumps may not work during outages, having a stored water supply in the bathtub ensures access to water without relying on electrical systems.
Filling the bathtub with water during a hurricane is a practical preparedness measure that ensures access to a clean water supply when regular sources become compromised. Hurricanes often lead to power outages and damage to water infrastructure, which can disrupt municipal water services. By storing water in the bathtub, individuals have a reserve for essential uses such as drinking, cooking, sanitation, and hygiene during and after the storm.

This precaution is particularly valuable because the bathtub can hold a substantial volume of water, making it an efficient storage option without requiring additional containers. Moreover, the water stored in the bathtub is typically clean tap water, reducing the risk of contamination compared to collecting rainwater or other sources during an emergency. It is important, however, to cover the bathtub to maintain water cleanliness and to use the stored water within a reasonable timeframe.

In summary, filling the bathtub with water is a simple yet effective strategy to enhance resilience during hurricanes. It provides a reliable backup water supply that supports basic needs when infrastructure is disrupted. Incorporating this step into hurricane preparedness plans can significantly improve safety and comfort during extended emergencies.

Author Profile

Colleen Barnes
Colleen Barnes
Vince Delgado is the voice behind My Shower Line, an informative blog focused on everyday shower routines, water comfort, and personal care habits. Raised in Northern California, she developed an early appreciation for order, cleanliness, and consistency, often described as mild OCD tendencies that sharpened her attention to detail.

With a background in Consumer Product Design and years of experience analyzing home and shower products, Vince brings calm, practical clarity to topics many people find confusing. Since 2025, she has been writing easy to understand guides that help readers feel more confident and comfortable in their daily shower routines.