What is an alternative septic system, and are they legal in South Carolina?
Alternative systems use newer technology. Some use sand, peat or plastic instead of soil to treat wastewater. Others use wetlands, lagoons, aerators, or disinfection devices. Float switches, pumps, and other electrical or mechanical components are often used in alternative systems. Alternative systems require more frequent and careful maintenance, but they can sometimes allow you to install a septic tank on land that lackssoils suitable for traditional septic systems or where the undergroundwater level is too high for a traditional system. DHEC considers the use of alternative systems on a case-by-case basis.