David Johnson is a Sales Engineer at Heritage Water Systems, Inc. since January 2022, bringing extensive experience in wastewater management from a long tenure at Grand Strand Water & Sewer Authority, where employment spanned from 1989 to February 2022. David served as Wastewater Collections Supervisor, overseeing operations of wastewater lift stations and related infrastructure, and later as Wastewater Superintendent, managing a large network of submersible lift stations and grinder pump stations, troubleshooting system issues, and enhancing staff skills through training in various technical areas. David holds an Associate's degree in Civil Engineering from Horry-Georgetown Technical College, with additional studies at Coastal Carolina University.