Amend SB 1639 as follows: (1) On page 1, line 6, striking "Subsection (d)" and substitute "Subsections (d) and (e)". (2) On page 1, between lines 17 and 18, insert a new Subsection (e) to Section 36.116, Water Code, to read as follows: (e) In regulating the production of groundwater under Subsection (a)(2), a district: (1) shall select a method that is appropriate based on: (A) the hydrogeological conditions of the aquifer or aquifers in the district; or (B) the goals of the district's management plan; and (2) may limit the amount of water produced based on contiguous surface acreage.