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ATTACHMENT 3 <br /> Glossary of Terms <br /> Groundwater: Water beneath the land surface that supplies wells and natural springs. <br /> A groundwater basin is any underground area that has the capacity to store water. <br /> Hardness: A measure of the amount of minerals —typically calcium and magnesium — <br /> dissolved in water. "Hard water" has high concentrations of these minerals. High <br /> hardness can affect the taste of water and lead to mineral deposits on plumbing fittings <br /> and other problems. <br /> Imported Water: Water that is transported from outside the region to Pleasanton's <br /> service area. Pleasanton's primary source of imported water is the State Water Project <br /> provided by Zone 7 Water Agency. <br /> Life Cycle: Concept that compares the cyclical nature of processes, products, and <br /> systems with the cradle to grave life stages (birth, growth, maturity, decay, and death) of <br /> living organisms. <br /> Non-Potable Reuse: Includes all recycled water reuse applications except those <br /> related to water supply augmentation and drinking water (i.e., potable reuse). <br /> Potable Reuse: A general term for the use of recycled water to augment drinking water <br /> supplies. <br /> Recycled Water: Wastewater that has been treated so that it can be used again, <br /> typically used for irrigation. <br /> Wastewater: Water that has been used in an industrial, agricultural, municipal, or <br /> domestic application. <br />