16 Tex. Admin. Code § 12.610 - Alluvial Valley Floors: Essential Hydrologic Functions
(a) Surface coal mining and reclamation
operations shall be conducted to preserve, throughout the mining and
reclamation process, the essential hydrologic functions of alluvial valley
floors not within an affected area. These functions shall be preserved by
maintaining those geologic, hydrologic and biologic characteristics that
support those functions.
(b)
Surface coal mining and reclamation operations shall be conducted to
reestablish, throughout the mining and reclamation process, the essential
hydrologic functions of alluvial valley floors within an affected area. These
functions shall be reestablished by reconstructing those geologic, hydrologic
and biologic characteristics that support those functions.
(c) The characteristics that support the
essential hydrologic functions of alluvial valley floors are those in §
12.202(b)(3) of
this title (relating to Surface Coal Mining and Reclamation Operations on Areas
or Adjacent to Areas Including Alluvial Valley Floors in the Arid or Semiarid
Areas West of the 100th Meridian) and those other geologic, hydrologic, or
biologic characteristics identified during premining investigations, or
monitoring conducted during the surface coal mining and reclamation
operation.
Notes
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