Low Pressure Pipe-LPP-Septic Systems
A low pressure pipe system is required when the drainfield square-footage exceeds 1000 square feet. This system is set up with PVC pipe inside the conventional drainfield to distribute the effluent evenly throughout the entire absorption area. This system requires a pump and can be installed below or above ground. Aerobic treatment (ATU)/drip irrigation systems can be installed in place of the LPP and is almost always less expensive.