The General Assembly finds that an adequate supply of clean drinking water is a precious and essential resource upon which life depends. The General Assembly further finds that the average annual per capita consumption of potable water due to indoor water-using activities in the United States exceeds 18,000 gallons and that the demand for clean water supplies continues to increase despite the limitations of availability and affordability of such supplies. The General Assembly further finds that technology is available to improve the efficiency of plumbing products.