you have two basic methods of Low Pressure Sewer on a project like this.
1. Grinder Pump Systems- small fiberglass/poly basins 24" diameter 48 to 60" deep. transports all solids trough force mains to municipal lift station or manhole for treatment. Several manufactures do this e/one is a...
when using low pressure collection and grinder pumps you will need to increase your tank size to allow the solids to settle out. usually accomplished with a secondary tank.