35 Ill. Adm. Code 506.207
Construction in a Karst Area
Section 506
Section 506.207 Construction
in a Karst Area
a)
A new earthen livestock waste lagoon constructed in a karst
area must be designed to prevent seepage of the stored material to groundwater.
Owners or operators of proposed facilities must consult with the local soil and
water conservation district, the University of Illinois cooperative extension service,
or other local, county, or state resources relative to determining the possible
presence or absence of such areas.
[510 ILCS 77/15/(a-5)(2)]
b) Any lagoon subject to this Subpart, constructed in a karst
area, must be designed and constructed utilizing a rigid material such as
concrete or steel.
c) The owner or operator of the earthen livestock lagoon may,
upon written request and with written approval from the Department, modify or
exceed the standards of this Section to meet site specific objectives. The
owner or operator must demonstrate that such modification will be at least as
protective of the groundwater, the surface water, and the structural integrity
of the livestock waste management facility as the requirements of this Part.