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Small waves in green dirty water
Wastewater with a bubble in the Aeration tank activated the sludge process of the wastewater system. Earth-Saving Day concept
The water surface is dirty.
Panorama of historic Oregon City paper mill on the Willamette River.
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From below comes the bubbling source for Crystal Lake of the Angeles National Forest.
Drainage or sewage manhole grid system on the street
This view of the Monroe Street Bridge and the Spokane Falls Skyride gondolas runs along the falls and river in the Huntington Park Natural Area, Spokane, Washington State, USA.
A stormy river as a background. View from above.
Torrents - Strong water stream from above, may be used as background
Aerial view of Environmental engineers work at wastewater treatment plants, Water management concept.
Watter swirls creating foam patters below a waterfall
sea coast with lots of waves from windy weather, Baltic sea in summer, cold windy weather in August
Flow on a river.
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Fast moving water in the River Wensum in Norwich
Fast moving water creating turbulence.
Large water pump in a pond in a public park.
Aeration tank of sewage treatment plant
Aerated activated sludge tank at a wastewater treatment plant.
Water flowing over a concrete dam on a river
river water
Willamette falls Oregon
Flow on a river.
Not a pretty picture but an important step in the treatment of waste water. This step is separating any solid waste from the water.
Churning water. Turbulence on the water surface. Troubled water as a background.
Water bubbling from a sand filter at a Water Treatment Plant aa some motion blur. Click to see more...
Wild and fast moving river rapids . Water waves texture background
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 - 548089.tif Scope and content"
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