Current through Register Vol. 48, No. 12, March 22, 2024
a)
In
accordance with the hydraulic fracturing fluids and flowback
plan required by Section245.210(a)(11)
and the containment plan required pursuant
to Section
245.210(a)(13),
and as approved by the Department, the use of a reserve pit is allowed
for the temporary storage of hydraulic fracturing flowback. The reserve pit
shall be used only in the event of a lack of capacity for tank storage due to
higher than expected volume or rate of hydraulic fracturing flowback, or other
unanticipated flowback occurrence. (Section 1-75(c)(2) of the
Act)
b) All reserve pits
must comply with the following construction standards and liner
specifications (Section 1-75(c)(2) of the Act):
1)
the synthetic liner material shall
have a minimum thickness of 24 mils with high puncture and tear strength and be
impervious and resistant to deterioration (Section 1-75(c)(2)(A) of
the Act);
2)
the pit lining
system shall be designed to have a capacity at least equivalent to 110% of the
maximum volume of hydraulic fracturing flowback anticipated to be
recovered (Section 1-75(c)(2)(B) of the Act);
3)
the lined pit shall be
constructed, installed, and maintained in accordance with the manufacturers'
specifications and good engineering practices to prevent overflow during any
use (Section 1-75(c)(2)(C) of the Act);
4)
the liner shall have sufficient
elongation to cover the bottom and interior sides of the pit with the edges
secured with at least a 12 inch deep anchor trench around the pit perimeter to
prevent any slippage or destruction of the liner materials (Section
1-75(c)(2)(D) of the Act);
5)
the foundation for the liner shall be free of rock and constructed with
soil having a minimum thickness of 12 inches after compaction covering the
entire bottom and interior sides of the pit (Section (c)(2)(E) of the
Act); and
6) if located in the
regulatory floodway, the reserve pit shall be considered a construction subject
to 17 Ill. Adm. Code
3706.240
and
3706.630
and, in addition to the requirements of subsections (b)(1) through (b)(5),
shall be constructed to the standards set forth in 17 Ill. Adm. Code
3706.530(b) or
(c), or a successor rule, as applicable. No
reserve pits may be located in the regulatory floodway or the flood fringe (17
Ill. Adm. Code
3706.420
and
3706.520(b)
), unless the applicant first secures the necessary permits and completes any
mitigation measures required by any permitting agency.
c) Hydraulic fracturing flowback reserve pit
liners shall be disposed of in an Agency-permitted special waste
landfill.