Amend CSSB 1 as follows:
      (1)  In the recital to SECTION 4.19 of the bill (Committee
Printing page 77, line 17), strike "Section 35.018" and substitute
"Sections 35.018 and 35.019".
      (2)  At the end of SECTION 4.19 of the bill (Committee
Printing page 79, between lines 25 and 26), insert:
      Sec. 35.019.  WATER AVAILABILITY.  (a)  The commissioners
court of a county in a priority groundwater management area may
adopt water availability requirements if the court determines that
the requirements are necessary to prevent current or projected
water use in the county from exceeding the safe sustainable yield
of the county's water supply.
      (b)  The commissioners court of a county in a priority
groundwater management area may:
            (1)  require a person seeking approval of a plat
required by Subchapter A, Chapter 232, Local Government Code, to
show:
                  (A)  compliance with the water availability
requirements adopted by the court under this section; and
                  (B)  that an adequate supply of water of
sufficient quantity and quality is available to supply the number
of lots proposed for the platted area;
            (2)  adopt standards or formulas to determine if an
adequate water supply exists for the platted area; and
            (3)  adopt procedures for submitting the information
necessary to determine whether an adequate water supply exists for
the platted area.
      (c)  The water availability requirements established by a
commissioners court under this section may require that:
            (1)  a person seeking approval of a plat or attempting
to sell a lot in a subdivision:
                  (A)  notify a purchaser of a lot in the
subdivision if an approved water supply for the subdivision does
not exist; or
                  (B)  if the person attempts to build a water
supply system to serve one or more lots within the subdivision:
                        (i)  comply with federal, state, and local
law; and
                        (ii)  establish an entity to construct and
operate the system; or
            (2)  a planned or operating water supply system serving
one or more lots within a subdivision be built and operated in
compliance with federal, state, and local laws and rules related to
public drinking water.