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Aerial view of a water tank (pool) for irrigation in agriculture.

The wastewater treatment plant, business and industrial concept, Equalization, and Aeration pond

Wastewater treatment facility - Sewage Treatment. Also called municipal wastewater or sewage.

nature background with ripples in the lake, mountain lake.

you can see from the top of the aquarium the seeds of aquatic plants that are already thriving

Poropuntius normani Smith, natural fish in a Nam-Song river, feed the fish

The textures of aquatic plan growth in an outdoor pond.

Lemna minor (Mata Lele, thallus, common duckweed, lesser duckweed). Lemna minor is very suitable for bioethanol production

Water tank (pool) for irrigation in agriculture

Leachate or leach lake near landfill. Plastic pipes lifted by hand winch on pier. Location Ronneby in Sweden.

Aerial video of Narlıgöl Crater Lake in Aksaray, Turkey. Taken via drone.

Every few years, a swimming pond has to be treated for sediment and pollution.

$About 30% of the area of the Sapal de Castro Marim Natural Reserve is occupied by salt pans, with artisanal exploitation, small butchers where the salt is manually collected and industrial exploitation, of large dimensions, where the human arm was replaced by machines.\nTraditional Castro Marim Sea Salt is completely collected by hand, using ancestral techniques that have lasted over time. It results from the combination of the work of the salt miner with the action of the tides, the sun and the winds, and is not subject to any type of further treatment, presenting itself naturally white and shiny.$

3D illustration of a water purification plant

background photo of algae and aquatic plants seen in clear water. The colored shapes formed in the water are viewed from the upper angle. Shot with a full-frame camera in daylight.

A pond with green plants floating on the surface. The water is clear and calm. The plants are growing in the water and the reflection of the trees can be seen in the water

Aerial view of the Fosterville Gold Mine in Central Victoria

The photo is suitable to use for waste water treatment content media and environment poster.

Terracotta pots in a small old pond in an unmaintained garden.

Aerial photo of industrial site. Altered/retouched to be more generic.

The water surface of a dirty lake is covered with floating plants duckweed (Wolffia arrhiza) and (Lemna turionifera)

Aerial view of a large industrial sewage treatment plant surrounded by green areas.

The Black Pool at Dallol in the Danakil Depression in Africa.

็High angle view of the pipe system for supplying wastewater in industrial wastewater treatment ponds.

Abstract small fish and reflections in the water.

Free Images: "bestof:Pond Loop Being Sunk.jpg 12-ton pond loop heat exchanger system being sunk to the bottom of a pond for use in a heat pump installation own 2006-11-15 Mark"

Foster Cove Loop Trail of Ninigret National WIldlife Refuge.JPG

Coelioxys_obtusiventris,_f,_back,_Clark_Co.,_Rose_Pond,_CA_2016-03-02-10.59.jpg

Coelioxys_obtusiventris,_f,_face,_Clark_Co.,_Rose_Pond,_CA_2016-03-02-11.22.jpg

Coelioxys_obtusiventris,_f,_left_side,_Clark_Co.,_Rose_Pond,_CA_2016-03-02-12.09.jpg

Coelioxys_obtusiventris,_f,_hind_end,_Clark_Co.,_Rose_Pond,_CA_2016-03-02-11.47.jpg

Coelioxys_obtusiventris,_f,_right_side,_Clark_Co.,_Rose_Pond,_CA_2016-03-02-12.29.jpg

Trustom Pond National Wildlife Refuge 3.JPG

Ninigret Pond National Wildlife Refuge 2.JPG

Ninigret Pond National Wildlife Refuge 3.JPG

Trustom Pond National Wildlife Refuge 2.JPG

Western pond turtle clemmys marmorate.jpg

Edge of pond with variety of deciduous and evergreen trees growing on shoreline.jpg

Small pond in rocky mountains national park.jpg

Building and pond with line of stormy clouds above.jpg

View across pond toward the rear of the building.jpg

Trustom Pond National Wildlife Refuge.JPG

Ninigret Pond National Wildlife Refuge.JPG

Horseshoe bend mill pond boating access.jpg

Image of William pond park on lower American river in Rio Vista.jpg

Southwark Park Boating Pond Wildlife.JPG

Bull moose browsing in an alaskan tundra pond.jpg

Family fishing from a bridge at a local pond.jpg

People in waders and boots working to restore a pond.jpg

People in water holding flats of plants used for pond restoration.jpg

Water droplets on a water lily in a fish pond.jpg

Thick low growing spruce and birch forest surrounding pond.jpg

Father and daughter show rainbow trout that daughter caught at local pond.jpg

Teacher handing student wetland plants to put in newly established pond.jpg

Adults and children enjoy afternoon of fishing at pond.jpg

A typical small lake succumbs to a meadow.jpg

Yellow ducklings in Paradise Valley Springs Wildlife Park.jpg

29th_October_Common_Bank_Lodge,_Chorley_UK..jpg