Authority: IC 13-14-8-7; IC 13-15-1-2; IC 13-15-2-1; IC 13-18-3-1; IC 13-18-12- 4

Affected: IC 13-11-2-77; IC 13-30-2-1

Sec. 8. (a) A minimum of ninety (90) days effective storage capacity is required for storing a biosolid or industrial waste product unless an equivalent method of meeting the requirement is approved by the commissioner.

(b) Except for lagoons under 327 IAC 6.1-8, any storage structures, such as pits or tanks, which are subject to volume fluctuations due to precipitation events, must have a minimum of one (1) foot of freeboard at all times.

(c) Storage structures for the storage of biosolid or industrial waste product must comply with 327 IAC 6.1-8.

(d) A fixed volume of biosolid or industrial waste product for land application may be stored in any storage structure for no more than two (2) years.

(e) Stockpiling of a biosolid or industrial waste product at a land application site must be handled in accordance with an approved management plan, including the following:

1. (1) Setback distances from residences and public buildings, surface waters, wells, and other structures.

2. (2) Site characteristics, including the following:

   1. (A) Flood plains.
   2. (B) Water table.
   3. (C) Slope.

3. (3) Handling practices, including the following:

   1. (A) Length of time the biosolid or industrial waste product will be stockpiled.
   2. (B) Run-off control measures.
   3. (C) Berm construction.
4. (4) Nuisance control measures.
5. (5) Other applicable information.

(f) Staging of a biosolid or industrial waste product for less than twenty-four (24) hours must be handled in accordance with the following:

1. (1) The biosolid or industrial waste product must be dewatered.
2. (2) The permittee shall conduct the land application operation in such a manner that staging of dewatered biosolid or industrial waste product is minimized.
3. (3) The amount of biosolid or industrial waste product staged must not exceed the maximum amount that can be applied to that land application site within twenty-four (24) hours of placement at the land application site in accordance with this rule or the permit.

4. (4) Staging of dewatered biosolid or industrial waste product is prohibited:

   1. (A) within three hundred (300) feet of any surface waters or surface inlet to a subsurface drainage system;
   2. (B) within six hundred sixty (660) feet of any residence unless a signed waiver has been received from the owner and, if applicable, tenant of the residence;
   3. (C) within two hundred (200) feet of any potable water supply well or drinking water spring;
   4. (D) on any area with a slope greater than two percent (2%); and
   5. (E) on any area located in the flood plain unless applied by the end of same day it is staged.

(g) Waivers must be obtained from the residence owner and, if applicable, tenant of the residence for each year in which biosolid or industrial waste product is proposed to be staged at distances less than the setback distance in subsection (f)(4)(B).

(h) In addition to the requirements in subsection (f), the following requirements apply to staging of a biosolid or industrial waste product for more than twenty-four (24) hours due to unforeseen circumstances, such as an extreme weather event or equipment failure:

1. (1) Except under subdivision (2), the biosolid or industrial waste product must be completely covered by a tarp or plastic sheet.
2. (2) If not covered in accordance with subdivision (1), the biosolid or industrial waste product must be applied to the land application site or returned to an approved storage site within forty-eight (48) hours of placement at the staging location.

3. (3) The person who prepares a biosolid or industrial waste product shall submit written notification within one (1) week to the commissioner that includes the following information:

   1. (A) The date the biosolid or industrial waste product was placed at the land application site.
   2. (B) The reason the biosolid or industrial waste product could not be applied within twenty-four (24) hours of staging.
   3. (C) The date the biosolid or industrial waste product was applied to the land application site or returned to an approved storage site.

(Water Pollution Control Division; 327 IAC 6.1-4-8; filed May 15, 1998, 10:20 a.m.: 21 IR 3791; readopted filed Jan 10, 2001, 3:23 p.m.: 24 IR 1518; filed Jul 7, 2003, 4:25 p.m.: 26 IR 3609; readopted filed Nov 21, 2007, 1:16 p.m.: 20071219-IR- 327070553BFA; readopted filed Jul 29, 2013, 9:21 a.m.: 20130828-IR-327130176BFA; readopted filed Jun 14, 2019, 1:59 p.m.: 20190710-IR-327190246BFA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)