[Septic Resources - MN Septic Industry Resource, Forms, Worksheets, Training Currently serving the on-site septic industry in the state of Minnesota to serve as a "toolbox" to provide easy access to septic industry forms, worksheets, and future training modules. The site contains a number of useful tools to help you understand the code requirements and its application. These tools include a MN7080 quick reference guide, design worksheets, copies of various forms, several installation examples of new code requirements, and links to other useful websites. ]