Amend CSSB 1 by adding the following section and renumber the
subsequent sections accordingly:
      SECTION ____.  Subchapter J, Chapter 26, Water Code, is
amended by adding Section 26.408 to read as follows:
      Sec. 26.408.  SOLE SOURCE AQUIFER PROTECTION.  (a) The
adoption or issuance of a rule, regulation, policy, guideline, or
other measure by the commission which is intended to prevent the
pollution of an aquifer designated as a "sole source" aquifer under
the federal Safe Drinking Water Act (42 U.S.C. Section 300h-3(e))
shall impose identical requirements or restrictions for all of the
territory within the recharge area and for all of the territory
within the contributing zone of the aquifer.
      (b)  The adoption or issuance of an ordinance, rule,
regulatory requirement, resolution, policy, guideline, or other
measure by a municipality located entirely or partially within the
boundary area of an aquifer designated as a "sole source" aquifer
under the federal Safe Drinking Water Act (42 U.S.C. Section
300h-3(e)) which (i) is intended to prevent pollution of an aquifer
and (ii) has effect in the municipality's extraterritorial
jurisdiction, shall impose identical requirements or restrictions
for all of the territory within the recharge area and contributing
zone of an aquifer located within the municipality's corporate
limits and extraterritorial jurisdiction.