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water management


grey water dirty water from sinks, showers, bathtubs, washing machines, and the like, that can be recycled, as for use in flushing toilets.
green space a plot of undeveloped land separating or surrounding areas of intensive residential or industrial use that is maintained for recreational enjoyment
rain barrels barrels used to collect water for other use
water shed the land area that supplies water to a river system
rain gardens A rain garden is a planted depression that is designed to absorb rainwater runoff from impervious urban areas like roofs,
low-flow appliances
green roofs ` a roof covered with vegetation, designed for its aesthetic value and to optimize energy conservation
indirect vs direct pollution
rain storage units
black water wastewater from toilets, garbage disposal, and industrial processes.
runoff 1. something that drains or flows off, as rain that flows off from the land in streams.
pervious vs impervious
storm water ponds