![](https://engineering.jhu.edu/magazine/wp-content/uploads/2018/05/Back-Cover-EWB_THUMB.jpg)
Priming the Pump
Residents of the tiny Guatemalan village of Chicorral used to struggle up and down a steep ravine to fetch water from a stream for cooking, bathing, and drinking. Thanks to a solar-powered pump installed a few years ago by Johns Hopkins engineers, water now comes directly into their homes via a pipe.