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The Water Quality Act of 1965 required states to issue water quality standards for interstate waters, and authorized the newly created Federal Water Pollution Control Administration to set standards where states failed to do so. No mechanism for federal enforcement was established.
In geotechnical engineering, watertable control is the practice of controlling the height of the water table by drainage.Its main applications are in agricultural land (to improve the crop yield using agricultural drainage systems) and in cities to manage the extensive underground infrastructure that includes the foundations of large buildings, underground transit systems, and extensive ...
The United States inherited the British common law system which develops legal principles through judicial decisions made in the context of disputes between parties. . Statutory and constitutional law forms the framework within which these disputes are resolved, to some extent, but decisional law developed through the resolution of specific disputes is the great engine of w
Must be a defining trait – Characters with access to vast powers (such as magical spells, advanced technology and genetic engineering) who are theoretically capable of this superhuman feature or ability – but who have neither made regular use nor provided a notable example of this extraordinary or supernatural feat – are not listed here.
A flow control structure is a device that alters the flow of water in a stream, drainage channel or pipe. As a group these are passive structures since they operate without intervention under different amounts of water flow and their impact changes based on the quantity of water available.
Under the Federal Clean Water Act and the state's pioneering Porter-Cologne Water Quality Control Act the State Water Board has regulatory authority for protecting the water quality of nearly 1,600,000 acres (6,500 km 2) of lakes, 1,300,000 acres (5,300 km 2) of bays and estuaries, 211,000 miles (340,000 km) of rivers and streams, and about ...
The Central Valley Regional Water Quality Control Board gave a huge fine for water quality violations against a property owner in rural California. The owners failed to get the necessary permits prior to developing the land, and their growing resulted in discharges of highly erodible sediment and the unauthorized placement of filling a tributary.
When the solenoid is actuated, the water above the diaphragm is relieved and the valve opens. Although sophisticated controllers that allow irrigation schedules to be automatically adjusted according to the weather have been available for many years, until recently these controllers were out of reach of the average consumer.