How to Help Prevent a Sewer Backup

Install a sewer backflow preventer in your home.  

You should inspect and maintain this valve as part of regular maintenance to your home following the steps below:

1. Locate your backwater valve and remove the plug or panel.
2. Shine the flashlight around the area and look for debris. Debris stuck in the gate can cause the sewer backwater valve to stop working.
3. Clean the area. Flush the valve with a bucket of water to clear debris from the gate area. If that doesn't work, scrub the area to remove it.
4. Once clean, move the gate back and forth to make sure it moves without any problems. If it's stiff or you see rust, oil it a little bit.
5. Check the O-ring on the backwater valve. If it's cracked or damaged, replace it.
6. Replace the plug or panel on top of the valve.