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Aerial view shot of two diverse environmentalists at a wastewater treatment plant in the industrial estate  checking the quality of the water.
Water flow stops away from the sewer into the river, lake
A teen fly-fisherman casting on a trout stream.  Shot from a high angle with lots of copy space.
Environmental pollution with dirty sewage, water flows through a pipe into a pond, Ukraine
Landscape view of the Tuckasegee River in the town of Dillsboro, North Carolina.
Aerial photo of industrial site. Altered/retouched to be more generic.
lake in the park, beautiful photo digital picture
Boise river in downtown Boise Idaho in autumn color
View landscape mountain and panoramic nature background of Pang Sawan weir or dike block water and check dam overflow spillway for thai people traveler travel visit at Ban Rai in Uthai Thani, Thailand
Partial aerial view of modern sewage treatment tank
Wastewater treatment plant. Reservoir for purification of sewage.
Water tank (pool) for irrigation in agriculture
Beautiful rainbow on bypass at rapids Kuusankoski, Finland
Sewage treatment plant in an industrial district, aerial view.
Close-up flow of storm water runoff flowing through two concrete drainage culvert under road. Springtime flash flooding.
Road over the hydroelectric dam of the Villalcampo waterfall, Duero river, Castilla y León, Spain.
The beautiful Snake River running through Idaho Falls in central Idaho.
High quality stock photo of Pacific Ocean water meeting fresh water from the Elkhorn Slough in the Monterey Bay.
waterways in the lake at zoo
Large water pump in a pond in a public park.
Water ripples in the stream
Aerated activated sludge tank at a wastewater treatment plant.
Landscape of a transparent blue lake, in Brazil
Peterborough, Canada.
Clusters of green algae Ulva and Enteromorpha in a lake in the lower reaches of the Tiligul estuary, Ukraine
Weir on the Neckar river. Dam
draining water from drains into the river. the concept of environmental pollution
Large amount of thick foam on river surface after cascade indicates that water is chemically polluted
Watershed - Erosion ControlWatershed - Erosion Control
Springtime. River
Free Images: "bestof:RAW SEWAGE BUBBLES UP INTO THE SPOKANE RIVER FROM THE SPOKANE CITY TREATMENT PLANT ABOUT FIVE MILES WEST OF THE CITY - NARA - 548090.jpg Scope and content"
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