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LEED: H2O efficiency
key terms
| Question | Answer |
|---|---|
| Baseline Versus Design | amount of water the design case conserves versus the baseline case. |
| Blackwater | wastewater from toilets & urinals; wastewater from kitchen sinks, showers, or bathtubs is considered by some states and local codes to also fall in this category. |
| Cooling Tower | structure that uses water to absorb heat from air-conditioning systems and regulate air temperature in a facility. |
| Gallons per Flush (gpf) | amount of water consumed by flush fixtures (water closets, or toilets, & urinals). Baseline flush for water closets is 1.6 gpf and for urinals 1.0 gpf. (EPAct 1992) |
| Gallons per Minute (gpm) | amount of water consumed by flow fixtures (lavatory faucets, showerheads, aerators, sprinkler heads). |
| Graywater | domestic wastewater composed of wash water from kitchen, bathroom, & laundry sinks, tubs, and washers. (EPA) |
| Irrigation Efficiency | the percentage of water delivered by irrigation equipment that is actually used for irrigation and does not evaporate, blow away, or fall on hardscape. |
| Harvested Rainwater | precipitation captured and used for indoor needs, irrigation, or both. |
| Potable Water | water that meets or exceeds the EPA’s drinking water quality standards and is approved for human consumption by the state or local authorities having jurisdiction; it may be supplied from wells or municipal water systems. |
| Wastewater | the spent or used water from a home, community, farm, or industry that contains dissolved or suspended matter. |
Created by:
kbtwomey
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