DISTRIBUTION OF DETERGENT AND PHOSPHATE IN WATER QUALITY STATUS OF BENGARIS RIVER, CENTRAL KALIMANTAN DISTRICT, INDONESIA

The Bengaris River is a tributary of the Barito River that crosses the town of Muara Teweh and passes through residential areas from upstream to the estuary as well as the presence of household industrial activities, so that it has the potential to be polluted by domestic waste originating from household activities on the banks of the Bengaris River. This study aims to analyze the distribution of detergent and phosphate parameters on the status of water quality in the Bengaris River, North Barito Regency. Sampling was taken at 10 points along the Bengaris River with repeated samples at point 3, point 7 and point 9 where at these three points water quality samples were taken for detergent and phosphate parameters 3 times. Analysis of the distribution of detergent and phosphate on the status of water quality in the Bengaris River, North Barito Regency, Central Kalimantan, namely the potential for pollution of the Bengaris River water mainly comes from domestic wastewater discharge which can be represented by several phosphate parameters. Status of water quality in the Bengaris River using the pollution index obtained results that meet the Quality Standard (Good Condition) 1 segment, 5 segments of light pollution conditions and 3 segments of moderate pollution