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Beginning in the 20th century, designers of industrial and municipal sewage pollution controls typically utilized engineered systems (e.g. filters, clarifiers, biological reactors) to provide the central components of pollution control systems, and used the term "BMPs" to describe the supporting functions for these systems, such as operator training and equipment maintenance.
Nutrient pollution caused by Surface runoff of soil and fertilizer during a rain storm Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients. It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters ), in which excess nutrients, usually nitrogen or phosphorus ...
In order to reduce costs of P2 techniques, many officials are turning to pollution elimination strategies, thereby eliminating any need for end-of-pipe solutions. A task force was created by the EPA in order to directly target reduction strategies. The P2 program task force has 5 main goals: create feasible P2 objectives and corresponding time ...
Swimming pool covers that reduce evaporation and can warm pool water to reduce water, energy and chemical costs. Automatic faucet is a water conservation faucet that eliminates water waste at the faucet. It automates the use of faucets without the use of hands. Smart water meters are also a promising technology for reducing household water usage.
Green water is rainwater that was precipitated on soil that can be used naturally for plants and agriculture. [12] [11] Gray water is water that has been contaminated by human use or proximity. The gray water classification can range from freshwater fertilizer runoff pollution [13] to water contaminated from dishwashers and showers. [14]
Satellite photo of an algal bloom in western Lake Erie, July 28, 2015. NASA Earth ObservatoryMidsummer is the time for forecasts of the size of this year’s “dead zones” and algal blooms in ...