According to the Department of Environment and Natural Resources's Water Usage & Classification for Fresh Water, Class D freshwater is suitable for agriculture, irrigation, livestock watering and industrial water supply class II . " " Worse than Class D " " means that the San Juan is not usable for any of these functions.
32.
According to the Department of Environment and Natural Resources's Water Usage & Classification for Fresh Water, Class D Quality freshwater is suitable for agriculture, irrigation, livestock watering and industrial water supply class II . " " Worse than Class D " " means that the Sapang Bato is not usable for any of these functions.
33.
According to the Water Usage & Classification for Fresh Water system used by the Philippines'Department of Environment and Natural Resources, Class D Quality freshwater is suitable for agriculture, irrigation, livestock watering and industrial water supply class II . " " Worse than Class D " " implies that the Pangil River is not suitable for any of those functions.
