Authority: IC 13-14-8-7; IC 13-15-2-1; IC 13-18-10.5

Affected: IC 13-11-2; IC 13-14; IC 13-15; IC 13-18; IC 13-30

Sec. 4. In addition to section 2 of this rule, a SMSS that contains solid manure must be designed according to the following:

1. (1) The SMSS must:

   1. (A) be covered to prevent rainwater from contacting the manure; or
   2. (B) have storm water run-on and run-off controls.
2. (2) The SMSS must not be constructed in sand or gravel soils, Unified Soil Classification of Pt, GW, GP, GM, GC, SW, SP, SM, as described in ASTM D2488-09a Standard Practice for Description and Identification of Soils (Visual-Manual Procedure)*, unless specially designed with an approved liner, in accordance with section 3 of this rule.
3. (3) Test holes for an earthen SMSS storing solid manure must be placed at a rate of two (2) holes for the first acre of storage and one (1) additional hole for each additional one-half (1/2) acre of storage.

*This document is incorporated by reference. Copies may be obtained from the ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959 or are available for review and copying at the Indiana Department of Environmental Management, Office of Legal Counsel, Indiana Government Center North, Thirteenth Floor, 100 North Senate Avenue, Indianapolis, Indiana 46204.

(Water Pollution Control Division; 327 IAC 20-5-4; filed Sep 28, 2015, 11:13 a.m.: 20151028-IR- 327130245FRA; readopted filed May 18, 2021, 1:04 p.m.: 20210609-IR-327210118BFA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)