I'm working on a septic system installation on my property, which is on a steep hill. The house drains into a two-tank system, but the leach field is about 75 feet higher in elevation than the tanks. It's a bit of a trek, around 180 feet up the hill, and I'm looking for advice on what kind of gray water pump can handle this elevation while being reasonably powered by my 1000 kWh solar system with battery backup. I'm not looking for overly detailed technical specs—just a good starting point on which type of pump to consider, how much horsepower I might need, and any other tips you might have. Any help would be greatly appreciated!
2 Answers
For your situation, I’d recommend using a submersible effluent pump. A 1HP pump should be sufficient for a 75-foot lift and would generally handle about 40-75 GPM. You might want to check out the Myers P102D model; it’s designed for this kind of application and has good reviews. It's practical for a home system like yours, not like running a commercial hotel. Also, since you have a two-tank setup, you can stretch the discharge time which could let you use a pump with lower power overall. Just ensure it's set up properly to avoid any blockages or issues.
Make sure to calculate the total flow rate you’ll need based on your household’s usage. Although it’s just a tank system, knowing how often it’ll need to pump is key. Also, it’s worth considering the size of your piping and any bends in it—it can affect how hard the pump has to work. While it sounds complicated, sticking to a reliable model like the Myers pump will give you peace of mind, especially with frequent use.