That early review can be especially valuable when a rural project is going to need an onsite wastewater system. Septic requirements can depend heavily on the actual property, including soil conditions, available dispersal area, setbacks, and the proposed use of the building. For anyone trying to understand what goes into the septic side of the project, the site evaluation and design process outlined on this page is a good example of the work that may need to be completed before permitting and installation. Getting that piece assessed early would definitely help avoid redesigning the broader project around septic constraints later.