410 IAC 6-8.3-77
410 IAC 6-8.3-77 Subsurface trench alternating field on-site sewage systems: design and construction requirements
Cite as Ind. Admin. Code tit. 410, r. 6-8.3-77
Sec. 77. (a) Subsurface trench alternating field on-site sewage systems shall meet all of the requirements of:
(1) sections 74 and 75 of this rule; and
(2) this section.
(b) Each side of the soil absorption system shall contain the total square footage of soil absorption area calculated from section 74(a) of
this rule.
(c) A diversion valve shall be installed between the septic tank and the distribution boxes. An access riser, extending to the ground surface,
shall be installed over the diversion valve.