To do this you need to figure out whether or not your home has a crawlspace or basement. These can cost a pretty penny, but they are well worth the investment, as they will help to ensure the safety of your family. Luckily, there are a few steps you can take to fix your sewage sump pump. The pit should be at least 22 inches deep. Battery backup sump pumps are available in both water and battery-powered varieties. However, it is possible to prevent or minimize the damage. Sewage Sump Pump Installation Montclair: Having a sewage sump pump installed in your Montclair home is a great way to keep your basement dry and avoid foundation cracks. They can last for several years if properly maintained. You might even want to take a look at the best waterproofing solutions for your property, especially if it has finished furniture or valuables.