DETERMINATION OF THE STATUS OF WATER QUALITY IN THE SADDANG RIVER BY THE POLLUTION INDEX METHOD

Abstract

One source that has the potential to pollute the Saddang river is the existence of a livestock trading center. The Trade Center produces liquid waste which is directly discharged into the river without going through any treatment first, this has a great potential to pollute the Saddang river. The purpose of this research is to know the level of pollution of the Saddang River which can be seen from the status of the water quality. In this study, the method used is the Pollution Index (IP) method. The use of this method refers to PP No. 82 of 2001 concerning the management of water quality and control of water pollution and the Decree of the Minister of the Environment No. 115 of 2003 concerning the status of water quality. In principle, the IP method uses a determined weight because the allocation/benefits of the river are in accordance with its segment. This research was conducted on five segments on the Saddang River. River water quality parameters used include: temperature, TDS, pH, DO, BOD, COD, nitrate, Nitrite, Total Coliform, E-Coli. The water quality data obtained in each segment are then analyzed for each segment. The results of calculations using the IP method obtained that the water quality status is relatively constant for each sampling, which is heavily polluted.