Inefficient use of water represents a major source of direct cost of water production, but especially of excessive energy use to purify it. Greater efficiency could be achieved if management were supported by objective data in addition to the rules of good practice that have been disseminated....

Monterrey procures about 40% of its water supply from groundwater resources, considering several aquifers below and nearby. This city meets semiarid climate conditions with highly variable precipitation rates. The increasing demand for groundwater during drought conditions can deteriorate water...