Lawns and other irrigation systems, and swimming pools may be served by a separate
private water supply system provided that no interconnection of any kind will be permitted
between the private system and the public utility system, its water mains, utility's
water service line, customer's water service line, building, potable water plumbing
pipes, nor any pipe or line connected or extended from any of the aforesaid and only
if reclaimed water service is not available to the lot.