45-312. Prohibited plumbing fixtures;
residential construction
Except as provided in sections 45-315 and 45-319, beginning January 1, 1994, no
person may distribute, sell, offer for sale, import or install any plumbing fixture for
use in this state in any new residential construction or for replacing plumbing fixtures
in existing residential construction, unless the fixtures meet the following water saving
performance standards:
1. Lavatory faucets and replacement aerators shall be designed to deliver no more
than an average of three gallons of water per minute at a pressure of eighty PSI or shall
be equipped with permanent flow control devices that allow delivery of no more than an
average of three gallons of water per minute at a pressure of eighty PSI.
2. Kitchen faucets and replacement aerators shall be designed to deliver no more
than an average of three gallons of water per minute at a pressure of eighty PSI or shall
be equipped with permanent flow control devices that allow delivery of no more than an
average of three gallons of water per minute at a pressure of eighty PSI.
3. Shower heads shall be designed to deliver no more than an average of three
gallons of water per minute at a pressure of eighty PSI.
4. Water closets shall be designed to use no more than an average of one and
six-tenths gallons of water per flush.
5. Urinals shall be designed to use no more than an average of one gallon of water
per flush. No urinals may be installed that use a timing device to flush periodically
regardless of demand.
6. Evaporative cooling systems and decorative fountains shall be equipped with
water recycling or reuse systems.
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