Where available and approved for use by the authority having jurisdiction, alternate nonpotable onsite water sources complying with Chapter 7 shall be used for outdoor ornamental fountains and other water features constructed or installed on a building site. Where the fountain or water feature is the primary user of the building site's nonpotable water source, a potable makeup water connection is prohibited.
Exception: Outdoor ornamental fountains and water features are allowed to use potable water provided water is recirculated and there is not an automatic refill valve connection to a source of potable water, and provided that either:
- The catch basin or reservoir is no greater than 100 gallons (379 L); or
- Less than 20 square feet (1.86 m2) of water surface area is exposed.
The treatment required to maintain appropriate water quality shall comply with the authority having jurisdiction.
Outdoor ornamental fountains and water features shall be equipped to recirculate and reuse the supplied water.
Signage in accordance with Chapter 7 shall be posted at each outdoor ornamental fountain and water feature where nonpotable water is used.