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  2. Greywater - Wikipedia

    en.wikipedia.org/wiki/Greywater

    Left: greywater sample from an office building. Right: Same greywater after treatment in membrane bioreactor. Greywater (or grey water, sullage, also spelled gray water in the United States) refers to domestic wastewater generated in households or office buildings from streams without fecal contamination, i.e., all streams except for the wastewater from toilets.

  3. Water supply network - Wikipedia

    en.wikipedia.org/wiki/Water_supply_network

    Gray water re-use and treatment: gray water is wastewater coming from baths, showers, sinks and washbasins. If this water is treated it can be used as a source of water for uses other than drinking. Depending on the type of gray water and its level of treatment, it can be re-used for irrigation and toilet flushing.

  4. Brac Systems - Wikipedia

    en.wikipedia.org/wiki/Brac_Systems

    Brac was a company that specialized in the development of water saving products for both residential and commercial use. Brac Systems Inc. was founded by Dennis Yasar [1] in Montreal, Quebec, in February 2005. Brac Systems began with the development of the GRS greywater recycling systems in 2005.

  5. Off-the-grid - Wikipedia

    en.wikipedia.org/wiki/Off-the-grid

    Off-the-grid or off-grid is a characteristic of buildings and a lifestyle [1] designed in an independent manner without reliance on one or more public utilities. The term "off-the-grid" traditionally refers to not being connected to the electrical grid , but can also include other utilities like water, gas, and sewer systems, and can scale from ...

  6. Wastewater - Wikipedia

    en.wikipedia.org/wiki/Wastewater

    Wastewater (or waste water) is water generated after the use of freshwater, raw water, drinking water or saline water in a variety of deliberate applications or processes. [1]: 1 Another definition of wastewater is "Used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff / storm water, and any sewer inflow or sewer infiltration".

  7. Why was a major reservoir empty when L.A. fires broke out? - AOL

    www.aol.com/why-major-reservoir-empty-l...

    The Santa Ynez Reservoir, a 117-million-gallon water resource near the Pacific Palisades, was under renovation and empty when fires tore through the Los Angeles neighborhood last week and ...

  8. Mound system - Wikipedia

    en.wikipedia.org/wiki/Mound_system

    If the soil permeability is too low, the liquid is not absorbed fast enough. If the soil permeability is too high or is exposed to fractured bedrock, the wastewater reaches the water table before the biofilm has time to purify the water, contaminating the aquifer. In either situation, the mound system provides an ideal habitat for the biofilm ...

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!