Southern Water and Soil, Inc., knows about PBTS systems. We have designed Advanced Treatment Systems and Performance Based Septic Systems to meet our clients needs. Please allow SWS to help you with your project. SWS has designed advanced secondary treatment systems, secondary treatment systems, and systems with disinfection. Many of the systems that SWS has designed utilize drip irrigation from Geoflow. Here are some of our PBTS systems designed and installed by SWS.