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What Is the Risk of Hepatitis From Sewage Water?

Last updated October 31, 2026

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The short answer

How Hepatitis Spreads Through Sewage

Hepatitis A is the main liver infection linked to sewage water. The virus lives in feces and can survive in water for weeks. When sewage floods a basement or crawlspace, the virus can contaminate surfaces, carpets, and drywall. You can catch it by touching contaminated items and then touching your mouth or food.

Hepatitis B and C spread through blood, not sewage water, so they are less of a concern here. However, sewage can contain blood from other sources, so treat all floodwater as potentially infectious. The key risk is hepatitis A, and the right defense is preventing contact and cleaning properly.

Your Personal Risk Factors

Your risk depends on how much contact you have with the sewage water. If you wade through it, clean up without gloves, or eat without washing your hands, your risk rises. Children and older adults are more vulnerable to severe symptoms from hepatitis A.

If you have a weakened immune system or liver disease, the risk is higher. You can reduce your risk by wearing rubber boots, gloves, and a mask during any cleanup. Vaccination against hepatitis A is available, and a doctor can advise if it makes sense for you.

  • Wear waterproof gloves and boots during cleanup
  • Wash hands with soap and warm water for at least 20 seconds
  • Avoid touching your face, mouth, or food until hands are clean
  • Do not let children or pets play in flooded areas
  • Dispose of porous items like carpets and upholstery that absorbed sewage

Symptoms to Watch For

Hepatitis A symptoms usually appear 15 to 50 days after exposure. You might notice fatigue, nausea, stomach pain, or a yellow tint to your skin and eyes. Fever and dark urine can also occur. If you feel unwell after sewage exposure, see a doctor promptly.

Many people, especially children, have mild or no symptoms, but they can still spread the virus. That is why hygiene is critical even if you feel fine. A doctor can run a blood test to check for hepatitis A if you are concerned.

Why Professional Cleanup Reduces Risk

Cleaning sewage water is not like drying a clean flood. The pros use proper protective gear and disinfectants that kill viruses like hepatitis A. They remove contaminated materials safely and sanitize the entire area, including hidden spots under flooring and inside walls.

Attempting cleanup yourself can spread the virus to other parts of your home. The pros follow established sanitation methods that lower the chance of infection for your family. For sewage backup cleanup, local water damage pros have the equipment and training to handle the job.

  • Use disinfectants that are effective against hepatitis A
  • Remove and dispose of porous materials that cannot be sanitized
  • Clean all hard surfaces with a bleach solution or approved disinfectant
  • Dry the area completely to prevent mold growth
  • Wash all clothing and gear used during cleanup in hot water

When to Call for Help

If sewage water has entered your home, act quickly to limit exposure. Do not enter standing sewage without protection. Turn off the water source if safe, and keep family members and pets away from the affected area. If you live in Quincy, keep your shutoff valve location written down for emergencies.

For significant sewage backups, contact the pros who specialize in sewage cleanup and sanitation. They can assess the extent of the contamination and perform the necessary removal and disinfection. This approach reduces your health risk and helps restore your home safely.

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Frequently asked questions

Can I get hepatitis from touching sewage water?

Yes, if you touch sewage water and then touch your mouth or food, you can get hepatitis A. The virus enters through the mouth, not the skin. Wearing gloves and washing hands thoroughly after any contact greatly lowers your risk.

How long does hepatitis A survive in sewage?

Hepatitis A can survive in water and on surfaces for several weeks, especially in cool, damp conditions. This is why proper disinfection is essential. The pros use hospital-grade disinfectants that kill the virus on contact.

Should I get vaccinated before cleaning sewage?

A hepatitis A vaccine is recommended for people who may be exposed to sewage. Talk to your doctor about vaccination, especially if you plan to do any cleanup yourself. The vaccine is safe and effective, but it takes a few weeks to provide full protection.

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