Homeowner Septic System Installation A homeowner is allowed to install the onsite wastewater disposal system for his/her residential. However, homeowners must contact the LCHD to get the septic permit before starting any kind of septic system installation. A
FREE cost pre-inspection field visit could be done; if required. All county regulations (
LaGrange County Ordinance) and ISDH (
State Residential Rule 410 IAC 6-8.1) rules apply.