Indiana Administrative Code
Title 327 - WATER POLLUTION CONTROL DIVISION
Article 6.1 - LAND APPLICATION OF BIOSOLID, INDUSTRIAL WASTE PRODUCT, AND POLLUTANT-BEARING WATER
Rule 4 - Land Application of Biosolid and Industrial Waste Product
Section 4-6 - Site restrictions

Universal Citation: 327 IN Admin Code 4-6

Current through September 18, 2024

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. 6.

(a) Land application of a biosolid or industrial waste product must not be conducted within:

Feature Surface Application Injection Incorporation by End of Day
Surface waters or the surface conduit to a subsurface feature 300 feet 33 feet 33 feet
Residence 300 feet To property line 300 feet
Any well 50 feet 50 feet 50 feet
Potable well or drinking water spring 200 feet 200 feet 200 feet
Any public building or public or nonpublic school 50 feet from property line 50 feet from property line 50 feet from property line

(b) Waivers must be obtained from the residence owner and, if applicable, tenant of the residence:

(1) for each year in which biosolid or industrial waste product is proposed to be applied at distances less than the setback distance for a residence in subsection (a); and

(2) prior to the application of the biosolid or industrial waste product at distances less than the setback distance for a residence in subsection (a).

(c) Land application of a biosolid or industrial waste product must not be conducted on slopes greater than:

Surface Application Injection Incorporation by End of Day
Liquid 6% 18% 6%
Dewatered 12% NA 18%

(d) Biosolid or industrial waste product must not be applied to land unless there is a minimum depth of twenty (20) inches of soil overlying bedrock.

(e) The soil pH must be 5.5 or greater at the time of land application for the following:

(1) Biosolid.

(2) Biosolid containing an industrial waste product with a cadmium concentration of two (2) milligrams per kilogram or less than two (2) milligrams per kilogram.

(3) Industrial waste product with a cadmium concentration of two (2) milligrams per kilogram or less than two (2) milligrams per kilogram.

(f) The soil pH must be 6.5 or greater at the time of land application for the following:

(1) Industrial waste product with a cadmium concentration greater than two (2) milligrams per kilogram.

(2) Biosolid containing an industrial waste product with a cadmium concentration greater than two (2) milligrams per kilogram.

(g) The soil pH value shall be:

(1) obtained by sampling the soil to the depth of cultivation or depth of placement of the biosolid or industrial waste product, whichever is greater;

(2) analyzed by the electrometric method*;

(3) collected as one (1) representative composite sample per every twenty-five (25) acres or fraction thereof within the application site; and

(4) be valid only if the analyses were performed within the last two (2) years of the date of application on the site. *The electrometric method may be found in "Methods of Soil Analysis, Agronomy Monograph No. 9.", C.A. Black, ed., American Society of Agronomy, Madison, Wisconsin, pp. 199-209, 1982, available from the American Society of Agronomy, Soil Science of America, Inc., 677 South Segoe Road, Madison, Wisconsin 53711. This method is also available for copying at the Indiana Department of Environmental Management, Office of Land Quality, 100 North Senate Avenue, Room N1154, Indianapolis, Indiana 46204.

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