Explanation: pull in relatively cool water to cool their machinery and let the relatively warm water flow back into the river or lake or sea. ... Water on hot paved surfaces gets hot, then runs off into nearby bodies of water, raising the water temperature
Heat is classified as is classified as a water pollutant when it is caused by heated industrial effluents or from anthropogenic (human) alterations of stream bank vegetation that increase the water system temperatures due to solar radiation.
