1505.4 Connections to Potable or Reclaimed (Recy-cled) Water Supply Systems.

Recycled water supply systems shall have no direct connection to a potable water supply or alternate water source system. Exceptions: (1) Potable water is permitted to be used as makeup water

for a reclaimed (recycled) water storage tank provided

(1) Potable water is permitted to be used as makeup water

for a reclaimed (recycled) water storage tank provided the potable water supply inlet is protected by an air gap or reduced-pressure principle backflow preventer in accordance with this code. (2) A potable water supply may be connected temporarily

for initial testing of the recycled water supply system as

respective permits for supplying water.

1505.1.1 Allowed Uses. Allowed uses shall include water closets, urinals, trap primers for floor drains and floor sinks, aboveground and subsurface irrigation, industrial or commercial cooling or air conditioning and other uses as generally allowed in the California Code of Regulations, Title 22, Division 4, Chapter 3 and specifi- cally allowed in the permit for the facility producing or supplying the reclaimed (recycled) water issued by the State Water Resources Control Board or Regional Water Quality Control Board. 1505.1.2 Structures Allowed for Toilet and UrinalFlushing. In accordance with Water Code Section 13553, reclaimed (recycled) water shall be allowed for toilet and urinal flushing in certain structures. These structures include commercial, retail, and office build- ings, theaters, auditoriums, condominium projects, schools, hotels, apartments, barracks, dormitories, jails, prisons, reformatories, and other structures as deter- mined by the State Water Resources Control Board.