Welcome to iTOSS, Indiana's network for Tracking of Onsite Sewage Systems. This system is intended for the electronic tracking and permitting of onsite sewage systems

by local county health departments. iTOSS was developed for the Indiana State Department of Health, in part, with grant money provided by the Lake Michigan Coastal

Program of the Indiana Department of Natural Resources. Comments about this program should be directed to Mike Mettler, Director,

Environmental Public Health Division at mmettler@isdh.in.gov. Database issues should be emailed to Hazarath Thanneeru at hthanneeru@isdh.in.gov.

Information about the Environmental Public Health Division programs is available at www.eph.in.gov.

iTOSS works best with Internet Explorer 9.0 or newer and Google Chrome. If you are using earlier versions of these browsers, we recommend that you upgrade.