Sentences with phrase «surface water sources»

For example, fertilizers and pesticides used on farmland as well as contributions from livestock, can leak into surface water sources if not carefully monitored.

«As surface water sources became more scarce during a given climate cycle, the only species to survive may have been those with adaptations for sufficient mobility to discover a new and more persistent groundwater source, or those already settled within home range of such a resource,» co-author Professor Gail Ashley, Rutgers University (US), said.

The tap water we drink, cook with, and bathe in typically comes from either surface water sources like streams, rivers, lakes, and reservoirs, or from underground sources like aquifers, permeable rocks that can store and transmit water.

A National Park Service directive, issued Wednesday (December 14), will let parks halt plastic water bottle sales as long as a regional director signs off on a «rigorous impact analysis» of such factors as cost to concessionaires, signage directing visitors to filling stations, and the health implications of thirsty tourists who might drink from «surface water sources with potential exposure to disease.»

The EPA requires the water to be relatively clean for it to be put into surface water sources.

The segment's 239 active wells and 25 surface water sources is capable of supplying 176 million gallons per day.

The systems can produce clean potable water for drinking or cooking from any surface water source, well, cistern or tank.