The short answer
What Standard Policies Cover
Most standard homeowners insurance policies do not include sewage backup as a covered peril. Water damage from a backed-up sewer or drain is typically listed as an exclusion. That means if a clogged municipal line or a blocked pipe sends wastewater into your basement, your base policy likely will not pay for the cleanup or repairs.
Some policies include a limited amount of coverage for water damage from sudden and accidental discharge, but sewage backup is often treated separately. You need to read the exact language in your policy to know what applies. If you are unsure, ask your insurance company for a clear explanation of your coverage.
Adding Sewage Backup Coverage
Many insurers sell a sewage backup endorsement as an add-on to a standard homeowners policy. This rider typically covers damage to your home, personal belongings, and sometimes the cost of cleaning up the sewage. The coverage limit is usually lower than your main dwelling coverage, so check the numbers.
Adding this endorsement is usually a simple process. You can request it when you buy a policy or at any renewal. The cost depends on your location, the value of your home, and the coverage limit you choose. Policies vary, and your insurer decides what is covered.
- Read your policy declarations page for the sewage backup limit
- Ask about the deductible that applies to this coverage
- Check if the endorsement covers outdoor drains and sump pumps
- Confirm whether the rider includes cleanup and sanitization costs
- Review the exclusion list for pre-existing conditions
What to Do After a Backup
If sewage backs up into your home, act quickly to protect your health and property. Avoid contact with the wastewater because it can contain harmful bacteria. Turn off the electricity to affected areas if it is safe to do so, and shut off the water supply to prevent more overflow.
Document the damage with photos and a written list of affected items. Contact your insurance company to file a claim, even if you are not sure about coverage. They will tell you what information they need. Keep receipts for any emergency supplies, like gloves or disinfectant, because those may be part of your claim.
Preventive Steps to Reduce Risk
You can lower the chance of a sewage backup by maintaining your home's plumbing and drainage. Avoid flushing items that do not break down easily, like wipes or grease. Install a backwater valve on your main sewer line if your local code allows it, and have a plumber inspect your system regularly.
If you live in Milwaukee, keep your shutoff valve location written down. Snowmelt and heavy rain can stress sewer systems, so knowing how to stop an overflow is useful. Also, consider a sump pump with a battery backup for basement drainage. These steps reduce the odds of a backup, though they cannot eliminate all risk.
- Do not pour cooking grease down the drain
- Use a drain strainer to catch hair and food scraps
- Have a plumber check your sewer line every few years
- Keep the backwater valve clear of debris
- Know where your main water shutoff is located
When to Call the Pros
After a sewage backup, the cleanup involves removing contaminated water, sanitizing surfaces, and drying the area thoroughly. This work requires protective gear and proper disposal methods. Local water damage pros can handle the extraction, cleaning, and drying to reduce health risks.
They also inspect for hidden moisture that can lead to mold growth. If the backup affected drywall, flooring, or ceilings, those materials may need removal. The pros can assess the extent of the damage and recommend the right steps. You can find services for sewage backup cleanup, water extraction, and structural drying on this site.
Water damage does not wait
Every hour counts once water gets into floors and walls. One call starts the response.
Call Now (414) 348-0250Frequently asked questions
Does renters insurance cover sewage backup?
Renters insurance typically covers your personal belongings, but sewage backup may be excluded. Check your policy for a specific endorsement. If you rent, your landlord's policy covers the building, not your items. Ask your insurer about adding sewage backup coverage to your renters policy.
What if the backup is from the city sewer line?
If the city's sewer line is the cause, the city may be responsible for damages, but that is not certain. You can file a claim with your insurance company first. They may subrogate against the city if the backup was due to municipal negligence. Keep all documentation and report the incident to your local public works department.
How long does it take to clean up sewage?
The time depends on the extent of the damage and the drying process. Extraction of standing water can be done quickly, but structural drying may take several days. The pros will use dehumidifiers and air movers to dry walls and floors. You should start the cleanup as soon as possible to limit damage.