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Animal waste lagoon on a diary farm.
Brown liquid material in contemporary gravity thickener in workshop of waste recycling plant. Papermaking industry modern equipment
Pond fish breeding owner enjoying watching the healthy fishes progress.
mixing tank in an abandoned industry
The photo is suitable to use for industry background, environment poster and nature content.
Iowa's first trout hatchery located in Backbone State Park, Iowa, USA. Closed in 1987. Photographed in 1967.
Breeding of trout in pools in fish farm
Aerial View Waste Water Treatment plant, business and industrial concept, Equalization and Aeration pond
An irrigation canal drawing water from the Euphrates River in northeastern Syria
Water tank (pool) for irrigation in agriculture
Waste water drain pipe from the factory flowing to the canal with bubble. Sewer pipes pouring out to the river polluting the environment with factory.
Drainage or sewage manhole grid system on the street
Luannan County, March 6: Sewage treatment plant closeup in an industrial enterprise, on March 6, 2012, Luannan County, Hebei Province, China
Sewage treatment plant
Foam formation in the aeration tank of a sewage treatment plant
Irrigation is the process of artificially applying water to soil or plants. It's often used in areas with irregular rainfall or drought.
wastewater treatment plant
itabuna, bahia, brazil - february 15, 2012: accumulation of rainwater is seen in a excavated site for the construction of a building in the city of Itabuna, in southern Bahia.
Sewage treatment pond in the industrial plant
View north of the Dos Amigos Pumping Plant on the California Aqueduct and South Bay Aqueduct in the San Joaquin Valley (Central Valley) near Los Banos, California, USA. Part of the California State Water Project. Distributes both drinking and irrigation water throughout California. Scanned film 1998.
a sewage plant for water treatment for clean water and health
Not a pretty picture but an important step in the treatment of waste water. This step is separating any solid waste from the water.
Crystal pool scenery in a salt field, North China
Rubbish Collector in River
Gomso a salt field in Buan-gun, Jeollanam-do
Dirty Green Moss Water With Some Floating Leafs and Dirt in India. Polluted Water in a small Pond.
Wastewater flows into the wastewater treatment system
Aerated activated sludge tank at a wastewater treatment plant.
Locks of Canal de Castilla in Fromista, Palencia, Castilla-Leon, Spain
Fish farming. Aquaculture in fishponds.
Free Images: "bestof:SETTLING POND WHERE WASTES ARE ALLOWED TO "SETTLE OUT" FROM MILLING PROCESS AT IDARADO MILL - NARA - 543739.jpg Scope and content General notes 543739 Local"
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