Guadalajara residents turn to citizen science as water crisis deepens
On a Saturday morning in Guadalajara’s historic Analco neighborhood, residents arrived at the Casa Bandera community center carrying bottles and jars filled with water from their homes . At folding tables, researchers from ITESO, Guadalajara’s Jesuit university, showed them how to dip inexpensive reactive strips into the samples, wait for the colors to change and compare the results against a chart measuring pH, chlorine, lead, mercury and other indicators. Samples showing signs of possible bacterial contamination could undergo additional testing for E. coli. It was the latest workshop in an expanding citizen water-monitoring network that has grown out of Guadalajara’s months-long water crisis — and out of residents’ frustration with what they see as inadequate information and action from the authorities responsible for providing safe water. “We don’t claim to be scientific specialists or water experts,” Héctor Morales, one of the workshop presenters, told participants. “We are cit...