Few home emergencies are as stressful as discovering sewage backing up into your basement or bathroom.
Sewage contamination is not just a water problem. It is also a serious health hazard that can introduce bacteria, viruses, and harmful pathogens into a home.
Across Chicago and surrounding suburbs like Skokie, Evanston, Wilmette, Glenview, Northbrook, Deerfield, Arlington Heights, Schaumburg, and Palatine, sewage backups often occur after heavy storms, sewer line failures, or clogged drain systems.
When contaminated water enters a home, the cleanup process must be handled carefully to protect both the property and the people living inside it.
ServiceMaster Restoration By Simons provides 24-hour emergency restoration services across Chicago, the North Shore, Lake County, and DuPage County. If your home experiences a sewage backup, call (773) 985-6394 immediately.
Quick Takeaways for Chicago Homeowners
Sewage backups involve Category 3 contaminated water under IICRC standards
Sewage contains bacteria, viruses, and pathogens
Porous materials like drywall and carpeting often must be removed
Professional containment and sanitation are required
A fast response helps prevent structural damage and mold growth
What Is Sewage Contamination?
Sewage contamination occurs when wastewater containing human waste, bacteria, and other pollutants enters a home.
In the restoration industry, this type of contamination is classified as Category 3 water damage, which is the most severe category.
Category 3 water may contain:
bacteria
viruses
parasites
chemical contaminants
organic waste
Because of these health risks, sewage cleanup requires specialized procedures and protective equipment.
Common Causes of Sewage Backups in Chicago Homes
Several conditions can cause sewage to enter a home.
Sewer line blockages
Tree roots or debris can block underground sewer lines.
Heavy rainstorms
During major storms, municipal sewer systems can become overwhelmed.
Clogged plumbing systems
Blockages inside household drain lines may force sewage back through toilets or floor drains.
Aging sewer infrastructure
Older neighborhoods in Chicago often have aging sewer systems that are more vulnerable to backups.
Basement floor drains
Basements frequently contain floor drains that become entry points for sewage during backups.
Homes in areas like Evanston, Wilmette, and Glenview often experience backups during heavy rainfall events.
Why Sewage Backup Is a Serious Health Hazard
Sewage contains a mixture of biological contaminants that can pose health risks.
Exposure may cause:
gastrointestinal illness
respiratory irritation
skin infections
allergic reactions
Children, seniors, and individuals with weakened immune systems may be particularly vulnerable.
Because of these risks, contaminated areas should never be cleaned without proper protection.
What To Do Immediately After a Sewage Backup
If sewage enters your home, taking the right steps quickly can reduce damage.
Avoid contact with contaminated water
Direct exposure can introduce harmful bacteria.
Turn off the electricity if necessary
If water levels are high, avoid electrical hazards.
Ventilate the area
Opening windows may help reduce odors and airborne contaminants.
Contact a professional restoration company
Professional cleanup is the safest way to remove contamination.
How Professional Sewage Cleanup Works
Professional restoration teams follow strict safety protocols when cleaning sewage contamination.
Typical steps include:
Containment
Barriers prevent contaminated air and particles from spreading to other rooms.
Personal protective equipment
Technicians wear protective suits, gloves, and respirators.
Removal of contaminated materials
Drywall, insulation, carpeting, and other porous materials may need to be removed.
Disinfection and sanitation
Professional disinfectants eliminate bacteria and pathogens.
Structural drying
Drying equipment removes moisture to prevent mold growth.
What Materials Usually Must Be Removed
Sewage contamination often requires the removal of certain building materials.
Common materials removed include:
Hard surfaces like tile or concrete can sometimes be disinfected and restored.
Will Insurance Cover Sewage Cleanup?
Homeowners' insurance may cover sewage cleanup depending on the cause of the backup.
Coverage may apply if the backup resulted from a sudden plumbing failure inside the home.
However, sewer backups from municipal systems or external flooding may require a separate sewer backup endorsement on the policy.
Because policies vary, it's important to review your coverage with your insurance provider.
Restoration Services Available for Chicago Homes
ServiceMaster Restoration By Simons provides comprehensive restoration services throughout Chicago and the surrounding suburbs.
Water Damage Restoration
Rapid water removal and structural drying help prevent further damage and mold growth.
https://www.servicemasterrestore.com/~/servicemaster-restoration-by-simons/residential/water-damage/
Fire and Smoke Damage Restoration
Fire damage can spread soot and smoke contamination throughout a home.
https://www.servicemasterrestore.com/~/servicemaster-restoration-by-simons/residential/fire-and-smoke-damage/
Mold Remediation
Professional mold remediation removes contamination and restores safe indoor conditions.
https://www.servicemasterrestore.com/~/servicemaster-restoration-by-simons/residential/mold/
Specialty Cleaning Services
Biohazard and specialty cleanup services are available for complex contamination events.
https://www.servicemasterrestore.com/~/servicemaster-restoration-by-simons/residential/specialty-services/
Why Chicago Homeowners Trust ServiceMaster Restoration By Simons
ServiceMaster Restoration By Simons has helped homeowners recover from water damage, mold contamination, and sewage backups across Chicago, the North Shore, Lake County, and DuPage County for more than 40 years.
I personally hold the IICRC’s highest restoration certifications:
Master Fire Restorer
Master Water Restorer
Master Textile Restorer
IICRC Certification #: 137718
Our crews respond to restoration emergencies across Skokie, Evanston, Wilmette, Winnetka, Glenview, Northbrook, Deerfield, Arlington Heights, Schaumburg, and Palatine.
If Your Home Experiences a Sewage Backup
Sewage contamination requires immediate attention to protect your property and your health.
ServiceMaster Restoration By Simons provides 24-hour emergency restoration services across Chicago and the surrounding suburbs.
Call (773) 985-6394 anytime for immediate assistance.
Frequently Asked Questions
Is sewage backup dangerous?
Yes. Sewage contains bacteria, viruses, and other pathogens that can pose health risks.
Can I clean sewage contamination myself?
Because sewage is classified as Category 3 contaminated water, professional cleanup is strongly recommended.
What materials must be removed after a sewage backup?
Porous materials like drywall, carpeting, and insulation are often removed because they cannot be safely disinfected.
How long does sewage cleanup take?
Cleanup time depends on the severity of contamination but often ranges from one to several days.
Will sewage backup cause mold?
Yes. If contaminated water is not dried quickly, mold can begin to grow within 24–48 hours.