Acknowledgments
We thank ETAPA-EP and the Ecuadorian Ministry of Environment for
providing research permits to conduct this study. Thanks are due to
Juan Pesántez, Dario Zhiña, Diego Pomaquiza, Mishel Palacios, and
all the graduate and undergraduate students who supported the
field sampling collection. Gratitude is expressed to Rolando Célleri and
Jeffrey McDonnell for providing critical revisions on earlier versions
of
this manuscript. This manuscript is an outcome of the Doctoral Pro-
gram in Water Resources of the Universidad de Cuenca. This research
was funded by SENESCYT and the Dirección de Investigación de la
Universidad de Cuenca (DIUC) through the project “Desarrollo de indi-
cadores hidrológicos funcionales para la evaluación del impacto de
The authors would like to thank the Environmental Laboratory, Asia
Arsenic Network, Arsenic Center, Beanpole Road, Krishnobati, Pulerhat,
Jashore -7400, Bangladesh for providing lab facilities.