While we are at it, we might as well check the humidity in the room. Plumbing A Sump Pump Discharge Montclair: Adding a sump pump to your basement is a great way to make your home a little less vulnerable to flooding and moisture levels. Luckily, there are a few steps you can take to fix your sewage sump pump. Finally, you will need to install the discharge line. It can be installed under a basement floor or on a concrete slab. The pit should be at least 22 inches deep. This is the part you'll attach to the PVC pipe. First, you'll need a male adapter. If you choose to install a sump pump, you should make sure it is properly installed. You may also wish to consider installing a submersible pump, which will operate underwater. It is recommended to have yours professionally installed by a licensed plumbing contractor. However, hiring a professional is the best way to get the job done. It is then diverted away from your foundation and into the appropriate system. If so, you'll need to make sure you don't build the pit for the pump too close to the street.