Lake Tyrone is on a community sewer system operated by Livingston County Regional Sewer System. The current community septic system completed in 1989 is ending it’s life according to the MDEQ. Below are some useful links to help you keep up to date and understand the system and what is the current status.
Hartland Township is keeping a special page just for this project. They keep all the current links and information in regards to the project on this page:
http://www.hartlandtwp.com/Departments/PublicWorks/Sewer/LakeTyroneSanitarySewerSystem.aspx
A useful link from the above page will help with some background Sewer System FAQS
Some more background can be is in this 2009 document Lake Tyrone Sewer Feasibility Study
Financial help may be available for sewer system for some individuals. Check out this link.