The producers of reclaimed water shall not sell water to customers at a price over the following amounts which shall include the cost to the reclaimed water producer for physical facilities to produce and transport the reclaimed water:
(1) For customers currently purchasing potable water from a third party, the cost for reclaimed water shall not exceed the price per gallon, including the cost of piping or transporting the reclaimed water, that the customer paid to the third-party potable provider.(2) For customers who currently self-produce and use water from a potable water source, the cost for reclaimed water, including any and all fees, shall not exceed the customer's cost of producing water.