Indiana Administrative Code
Title 329 - SOLID WASTE MANAGEMENT DIVISION
Article 10 - SOLID WASTE LAND DISPOSAL FACILITIES
Rule 2 - Definitions
Section 2-13 - "Aquifer of significance" defined

Universal Citation: 329 IN Admin Code 2-13

Current through September 18, 2024

Authority: IC 13-14-8-7; IC 13-15-2-1; IC 13-19-3-1

Affected: IC 13-30-2; IC 25-31; IC 36-9-30

Sec. 13.

(a) For the purpose of preparing the hydrogeologic site investigation report under 329 IAC 10-15-4 and to determine the applicable design requirements of 329 IAC 10-16-9 and 329 IAC 10-17-2, "aquifer of significance" means an aquifer:

(1) that has been identified as:
(A) a surficial aquifer;

(B) a buried aquifer;

(C) a bedrock aquifer; or

(D) a discontinuous aquifer; and

(2) that meets the criteria in either subsection (b) or (c).

(b) An aquifer that is described in subsection (a)(1) is an aquifer of significance if it meets the following criteria:

(1) The aquifer is below and extends beyond the solid waste boundary.

(2) The aquifer is capable of a yield of two hundred thousand (200,000) gallons per day as determined by the following equation:

K > 37/b2 Where: K = Hydraulic Conductivity (cm/sec). b = Saturated Thickness (ft). The location of the determination is based on obtaining a maximum discharge from the aquifer.

The determination must consider the entire vertical extent of the aquifer to obtain a full "average" K value of all distinctive layers of a nonhomogeneous aquifer if distinctive layers are hydraulically connected.

(c) An aquifer that is described in subsection (a)(1) is an aquifer of significance if the following criteria are met:

(1) The aquifer is below and extends beyond the solid waste boundary.

(2) The aquifer is a potable ground water source described in clauses (A) and (B) or is capable of supplying drinking water for properties that are:
(A) within a one (1) mile radius of the solid waste boundary; and

(B) not demonstrably upgradient of the MSWLF unit.

(3) There is no alternative water supply that is available to properties for connection at the time the construction of the

MSWLF unit begins.

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