1. (a) A person may not sell, offer for sale, distribute, or import into the State of Texas a plumbing fixture for use in the state unless the plumbing fixture meets the water saving performance standards provided by subsection (b) of this section and the plumbing fixture is listed in §290.253 of this title (relating to Plumbing Fixture List).

2. (b) The water saving performance standards for a plumbing fixture are those established by the American National Standards Institute (ANSI), current revision, or the following standards, whichever are the more restrictive.

   1. (1) The maximum flow from a sink or lavatory faucet or a faucet aerator shall not exceed 2.20 gallons of water per minute at a pressure of 60 pounds per square inch when tested in accordance with ANSI testing procedures.
   2. (2) The maximum flow from a shower head shall not exceed 2.75 gallons of water per minute at a constant pressure equal to 80 pounds per square inch when tested in accordance with ANSI testing procedures.
   3. (3) The maximum volume of water per flush from a urinal and the associated flush valve, if any, shall not exceed an average of one gallon when tested in accordance with ANSI testing procedures.
   4. (4) The maximum volume of water per flush from a toilet shall not exceed an average of 1.60 gallons when tested in accordance with ANSI testing procedures.
   5. (5) The maximum volume of water per flush from a wall mounted toilet that employs a flushometer valve shall not exceed an average of 2.00 gallons when tested in accordance with ANSI testing procedures.
   6. (6) All drinking water fountains shall be operated by a self-closing valve.

Source Note:The provisions of this §290.252 adopted to be effective March 17, 1992, 17 TexReg 1646; transferred effective March 1, 1992, as published in the Texas Register, March 3, 1992, 17 TexReg 1649.