The Hardy River (Spanish: Río Hardy) is a 16. 25 mile-long Mexican river formed by residual agricultural waters from the Mexicali Valley and running into the Colorado River. The United Mexican States ( or commonly Mexico (ˈmɛksɪkoʊ () is a federal constitutional Republic in North America. The Colorado River (' Aha Kwahwat in Mojave) is a River in the southwestern United States and northwestern Mexico, approximately
The Rio Hardy is home to a variety of wildlife, including the mosquitofish and the sailfin molly[1].
The Hardy's wetlands are a nesting ground for the Snowy Egrets (Egretta thula). The wetlands and bird habitat are part of a protected Mexican Biosphere Reserve called the Reserva de la Biosfera del Alto Golfo de California y Delta del Rio Colorado, [2].
In recent years, the Hardy has become a drain for agricultural waters polluted with pesticides and fertilizers from the Mexicali Valley[3]. The water qualty in the Hardy is being monitored at Mexicali by the Centro de Investigacion en Alimentacion y Desarrollo A. C. to measure the effects of discharge from the Las Arenitas wastewater treatment plant[4].