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  2. Waste stabilization pond - Wikipedia

    en.wikipedia.org/wiki/Waste_stabilization_pond

    The system may consist of a single pond or several ponds in a series, each pond playing a different role in the removal of pollutants. After treatment, the effluent may be returned to surface water or reused as irrigation water (or reclaimed water ) if the effluent meets the required effluent standards (e.g. sufficiently low levels of pathogens ).

  3. Garden pond - Wikipedia

    en.wikipedia.org/wiki/Garden_pond

    This garden pond has two ponds separated by a waterfall with a one-foot drop; generally, the fish in the upper pond are smaller, and ones in the lower pond are larger. Ponds may be created by natural processes or by people; however, the origin of the hole in the ground makes little difference to the kind of wildlife that will be found in the pond.

  4. Arcata Wastewater Treatment Plant and Wildlife Sanctuary

    en.wikipedia.org/wiki/Arcata_Wastewater...

    Arcata Wastewater Treatment Plant and Wildlife Sanctuary is an innovative sewer management system employed by the city of Arcata, California. [1] A series of oxidation ponds, treatment wetlands and enhancement marshes are used to filter sewage waste. The marshes also serve as a wildlife refuge, and are on the Pacific Flyway. The Arcata Marsh is ...

  5. Primitive Technology - Wikipedia

    en.wikipedia.org/wiki/Primitive_Technology

    Plant has authored the 192 page, illustrated, hardcover book Primitive Technology: A survivalist's guide to building tools, shelters, and more in the wild (ISBN 9781984823670), published by Clarkson Potter on 29 October 2019. The book is "a practical guide to building huts and tools using only natural materials from the wild" containing "50 ...

  6. Beaver dam - Wikipedia

    en.wikipedia.org/wiki/Beaver_dam

    If a beaver pond becomes too shallow due to sediment accumulation, or the tree supply is depleted, beavers will abandon the site. Eventually the dam will be breached and the water will drain out. The rich thick layer of silt, branches, and dead leaves behind the old dam is an ideal habitat for some wetland species.

  7. Evaporation pond - Wikipedia

    en.wikipedia.org/wiki/Evaporation_pond

    Each pond liner is prone to leakage and requires regular maintenance. [2] The contents of the evaporation pond depend on the use, the evaporation pond will contain water and the desired contents hoping to be extracted. The desired contents range from waste to minerals, and the remaining contents are either stored or extracted. [2]