Distillation is one of the oldest methods of water treatment and is still in use today ... such as iron and hardness from a con- taminated water supply. The boiling process also kills microorganisms ...

A stretch of river ... the water surface and analyzed them. We also investigated which nutrients were in the water and in the soil." The researchers did this 500 meters before a water treatment ...

Overallocated and gripped by drought, the Colorado River system is under ... Arizona has already gone through a long process to make advanced water purification, also known as direct potable ...

The long and winding road to improve dissolved oxygen in parts of the Delaware River might be nearing the finish line.

Goodyear is on the hunt for additional sources of groundwater to keep up with the city's rapid growth and one way is to expand a wastewater treatment ... water from the Colorado River, Salt ...

He said, "This commitment to preserving India’s river ... natural purification methods, the BOD level has now been reduced to a pure state, with the water at the end of the process having ...