The following is Indiana’s residential on site septic rule  in .pdf format.  This rule is effective Nov 19, 2012 and  to every county in Indiana.

Be aware, your County may have its own Septic Ordinance that may include additional requirements.

The new Indiana septic law  replaces 410 IAC 6-8.2.

410 IAC 6-8.3  Residential septic code

Commercial Rule 140 IAC 6-10.1 in PDF Format

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