If you are needing an Engineered Design for approval of your project, IWS, Inc. can provide that service. In cooperation with a registered P.E. in the state of Tennessee, we can complete the constructions plans and permitted for any septic system or wastewater treatment plant. We have permitted multiple campgrounds, condo complexes, animal feed operations, multiple housing, STEP and STEG systems, and commercial operations throughout the state of Tennessee. With our vast knowledge of permitted, we can guarantee that our designs will be of integrity and will achieve the full potential of your site.