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Water spilling out of a pipe into a river.
Wastewater with a bubble in the Aeration tank activated the sludge process of the wastewater system. Earth-Saving Day concept
Roaring River State Park, Missouri USA July 2, 2005: The spillway at Roaring River State Park near Cassville, Missouri funnels cold spring water into Roaring River, one of Missouri's cold water state parks that are stocked with rainbow trout.
American falls in Niagara
Wastewater flows into the wastewater treatment system
Aerated activated sludge tank at a wastewater treatment plant.
Flow on a river.
Niagara Falls - American Falls at the Edge Vertical - 1994. Scanned from Kodachrome 64 slide.
Horse shoe falls
Niagara river and Falls, international bridge, steam and tourboats. Ontario, Canada
Sewage pipe discharging water into a river at night. Dubai Creek, United Arab Emirates
Drainage or sewage manhole grid system on the street
Industrial and factory waste water discharge pipe into the canal and sea.
Weir on the Neckar river. Dam
Dirty spots on the surface of the lake water, polluted by the discharge of industrial wastewater. Ecological problem.
Flow on a river.
Ferrara, Italy, a discharge of industrial wastewater into the Po river
Fish Transport Pipe at powerplant of Cohoes Falls, Albany, New York, USA
A close-up shot of rushing water at Tumwater Falls in Washington State.
Niagara Power Plant at the Base of Niagara Falls
Watter swirls creating foam patters below a waterfall
Water flows out through spillways on the lower ends of fish hatchery holding tanks.
Rushing Water Flowing in sea. Water Texture, rushing water flowing texture. Water background.
river
Sewage or water treatment plant draining dirty water high quality photo
Flow on a river.
Close view of the brink at Niagara Falls.
American Falls at Niagara viewed from the Canadian side of the River Niagara.
The dam and drain Grainau water. Environmental problems with water discharge into the river.
Chaudière Falls Viewing Area on Ottawa River，Canada
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