1500 Gallon Low Profile Septic Tank – Two chamber tank with reduced height to accommodate installations where excess ground-water or solid rock prevents digging to standard depths. Suitable for three bedroom or smaller installations, configured as a septic/effluent pump arrangement or used in trickle (gravity) drain field applications. Traffic rated drive-over lids and castings are available as an option along with concrete, PVC or fiberglass risers and lids.