The preferred method is the use of a back-flow valve. Another way to prevent sewer backup in your home is to plug or cap all sewer openings in the basement. This includes floor drains, toilets, sinks, showers, etc. After lifting toilets and taking off sink traps, you can cap openings with wooden plugs, expandable plugs, or screwed caps or by other methods.
FAQ #26067
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How can I prevent sewer backup?
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- Build a flood dike 4-minute demonstration by Dr. Ken Hellevang, North Dakota State University Extension Engineer.
- Coastal Hazards documents in the National Sea Grant Library.
- FloodSmart.gov is the official National Flood Insurance Program Web site. Can flooding affect your community?
- DisasterAssistance.gov consolidates disaster assistance information on one Web site.
- Snow/Ice preparedness information.
- Influenza preparedness information.