EMB CALABARZON Region joined the live airing of Radyo CALABARZON DZJV 1458 Talakayang Kalikasan via zoom on March 12, 2021 which was hosted by Mr. Daniel Castro. Engr. Wilfredo Billones, Manila Bay Focal Person, discussed the Rivers found in CALABARZON Region and the classifications of water based on intended beneficial use, primary parameters used in classifying fresh waters, fecal coliform count on selected rivers, and some programs in the Region being implemented to clean and maintain water sources.