All new and/or replacement plumbing fixtures for public use shall be of the water
conservation type. These plumbing systems, or parts of systems, shall be equipped with water conservation equipment
or devices which comply with the requirements of Sections P-720.2.1 through P-720.2.8.
Water closets equipped with tanks shall adequately flush and clean fixtures. These
tanks shall discharge not more than 1.6 gallons per flush, and shall have a 1.6 gallon water level marker permanently
affixed on the inside of the tank.
Water closets equipped with flushometers shall adequately flush and clean
fixtures. These flushometers shall discharge not more than 1.6 gallons per flush.
Exception: This restriction shall not apply to blowout type water closets.
Urinals equipped with flushometers shall adequately flush and clean fixtures. These
flushometers shall discharge not more than one gallon per flush.
Exception: This restriction shall not apply to blowout type urinals.
Lavatories shall be equipped with self-closing faucets, which remain open not more than 10
seconds.
Showers or showerheads shall be equipped with an approved water conservation device, which
controls the volume of water so that it does not exceed three gallons per minute.
Exception: This restriction shall not apply to safety or deluge showers.
Sinks shall be equipped with an approved water conservation faucet or device, which controls the
volume of water so that it does not exceed three gallons per minute.
The introduction of a new and/or replacement domestic water supply (water service) shall
be controlled so that it does not exceed 60 pounds-per-square-inch (psi).
Exception: This restriction shall not apply to buildings containing a wet standpipe or sprinkler system for fire
protection.
Except as already provided for by the previous subsections, all new and/or replacement
plumbing fixtures and all points of domestic water discharge shall be equipped with water conservation type devices
which control the volume of water so that it does not exceed three gallons per minute.