ST. LOUIS — For years, testing of the tap water in an upscale Detroit suburb showed the city was in the clear. Then residents got a notice seemingly out of the blue: Their water could be contaminated ...

Which pH meters are best? There are numerous reasons you may want a pH meter. Maybe you just bought a new hot tub, plan on starting a hydroponic garden or want to test your drinking water to ensure it ...

An international research group has proposed a low-cost testing methodology for solar water pumping systems that can reportedly improve water access in developing countries. The novel approach enables ...