Service guide
Sewer Line Backups in Toledo: Causes, Responsibility and Prevention
Page date: November 15, 2026.
Sewage coming up through a basement floor drain is one of the most stressful plumbing problems a homeowner faces. In Toledo, the cause is usually one of two things: a blockage or break in the sewer pipe that serves your house, or a public sewer overloaded by heavy rain. The response, the cost and the help available depend on which one it is.
How your sewer connects to the City's
Wastewater leaves your house through the building drain and then the building sewer (often called the lateral), which runs under the yard to the public sewer, usually beneath the street. Toledo's code requires property owners whose property abuts a street with a public sanitary or combined sewer to connect to it at their own expense, if the public sewer is within 100 feet of the property line. (TMC 927.01)
The City's Division of Sewer and Drainage Services runs 1,100 miles of sanitary sewers, 986 miles of storm sewers and 64 miles of ditches. Its construction team is responsible for main sewer line repairs and lateral repairs in the right-of-way. (City of Toledo, Sewer and Drainage)
Who is responsible for what
The City puts it this way: "homeowners are responsible for all repairs on their property. Department of Public Utilities (DPU) is responsible for all repairs within the public right of way or sewer easement." (City of Toledo, Basement Flooding)
More specifically, from the same City page:
- If there is an obstruction between the main sewer line and the home, it is the homeowner's responsibility.
- If there is a break between the right-of-way or sewer easement and the home, the homeowner is responsible for repairs.
- Obstructions can be cleared by the homeowner, a licensed sewer tapper, a licensed sewer cleaner or a licensed plumber.
- Repairs can be made by a licensed sewer contractor only.
- If the problem is in the public right-of-way or sewer easement, report it to Engage Toledo, and a Public Utilities field worker will inspect the main sewer line.
During a backup: what to do
- Stop using water. Every flush, shower or load of laundry adds to what is coming up the floor drain.
- Call Engage Toledo if it is an emergency. The City asks residents with water in the basement to call 419-936-2020 right away and says help is available 24 hours a day. (City of Toledo, Basement Flooding)
- Stay out of standing sewage near outlets or appliances. Shut power off only from a dry location.
- Ask neighbors. If several homes are affected during heavy rain, the public sewer is a likely cause. If only your house is affected in dry weather, your lateral is the more likely cause.
- Document everything. Photos, dates and rainfall conditions help with insurance and with the City's grant program.
Finding the cause
The City recommends having a private licensed sewer cleaner check the line to locate the obstruction. (City of Toledo, Basement Flooding) In practice that usually means clearing the line with a cable machine and running a camera to see the cause and location. Common findings in older sewer laterals include:
- Tree roots entering through joints in clay pipe.
- Grease buildup, which the City's sewer code prohibits discharging in quantities capable of obstructing flow. (TMC 930.04(b)(2))
- Breaks, offsets or sags where soil has shifted.
- Wipes and paper products that do not break down.
Ask for the camera video and a note of the distance from the cleanout to any defect. If the defect is past your property line, that record helps when you report it to Engage Toledo.
Clean up after a backup
The City's cleanup guidance (City of Toledo, Basement Flooding):
- Wear boots and gloves and remove debris.
- Clean floors and walls with soap and warm water.
- Go back over affected areas with a mixture of 1 tablespoon vinegar, 1 cup bleach and 1 gallon of water, then rinse.
- Throw out any food exposed to the water.
- If you had to evacuate, keep main power off and appliances unplugged until a qualified electrician inspects them, and check gas appliances, pilot lights and burners for leaks before using them. If you smell gas, leave and call 911 and the gas utility from outside.
Preventing the next backup
Backwater (check) valves and standpipes. These devices stop sewage from flowing back into the basement when the public sewer surcharges. Toledo's basement flooding grant exists to help pay for exactly this kind of work: "standpipes, check valves, sewer or plumbing modifications, and sump pumps" intended to keep sanitary sewage out of basements. (City of Toledo, Basement Flooding Grant Program)
Grant details from the City's program page:
- Eligible: owners of property in the City of Toledo that experiences sewer backups from overloaded main sewers. The City must verify a public sanitary backup.
- Amount: the first $1,000 of eligible work is covered; the second $1,000 is matched 50/50, for a $1,500 maximum. The maximum is $2,000 for Homestead Exempt owners or Home Energy Assistance Program recipients.
- Not covered: sewer lateral repairs or cleaning, insurance deductibles, replacement of damaged property, cleanup costs, and groundwater or storm water measures.
- Apply with at least two written quotes, no more than 60 days after the work is complete.
Keep clear water out of the sanitary sewer. Toledo prohibits discharging storm water, groundwater, roof runoff or footer drain water into a sanitary sewer. (TMC 930.04(a)) Sump pumps and downspouts tied into the sanitary line add to the load that causes backups for everyone on the street. See sump pumps and basement water for where that water may go instead.
Maintain your lateral. If a camera shows roots, regular cleaning may hold them back for a while. A cracked or collapsed section needs repair or replacement.
Repairs, permits and licensing
- Repairs to the building sewer are made by a licensed sewer contractor. (City of Toledo, Basement Flooding)
- Tapping and connecting to a public sewer requires a City sewer tapper's license, which in turn requires a bond of at least $25,000 and a contractor's liability policy. The work includes opening the street, connecting the building sewer and restoring the right-of-way. (TMC 927.03 and 927.04)
- The Division of Sewer and Drainage Services' inspection section permits residential taps and repairs and licenses private sewer tappers and cleaners. (City of Toledo, Sewer and Drainage)
- Inside the house, plumbing changes such as adding a backwater valve need a plumbing permit and inspection from the Division of Building Inspection. (City of Toledo, When are permits required)
Costs
No citable Toledo source for sewer repair prices was found, so this guide does not give local figures. National figures are summarized, with their limits, on the plumbing costs page.