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.
Indiana Septic System Rule 410 IAC 6-8.3 in PDF format
Commercial Rule 140 IAC 6-10.1 in PDF Format
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