January 13th, 2014 (InsideCostaRica.com) Of 122 beaches recently evaluated by the National Water Laboratory, only seven exceeded the recommend maximum level of fecal coliform, representatives of the laboratory said.
The recommended maximum is 240 parts per 100 milliliters of water.
In Balneario, Limón, fecal coliforms exceeded 1,000 parts, while Cieneguita, also in Limon, registered significant pollution.
On the Pacific coast, Playa Herradura, Playa Azul, Tárcoles, Guacalillo, and central Quepos all exceeded 250 parts per 100 milliliters.
In Guanacaste, the Labortory said that wastewater discharges in Playas del Coco are affecting water quality.