The quarterly rate Aquarion (203-337-5910/aquarion.com) charges is $3.839 for each unit of 748 gallons (equal to 100 cubic feet) for the first 42,000 cubic feet. The rate then drops to $1.889 for additional water over 42,000 cubic feet. In addition, based on the size of the water meter, a quarterly service charge is added. Most homes would pay rates ranging from $35.87 to $53.81 per quarter.