With a capacity of 41 gallons, the Pro380-Series basin is ideal for both bedrock and hard soil conditions. You may have to drill a few holes in the floor or walls. Submersible pumps are more powerful and can fully submerge in water. To ensure your drainage is effective, the best option is to have it installed when you build your house. It includes digging a shallow hole and a discharge line. It is important to have it replaced regularly.