Pollution loads of waste water in Nghen river basin, Hatinh province

Abstract

     The Nghen river was in the north of Hatinh province, 60 km in length and 556km2 in area basin. Thewater of Nghen river being impacted by the wastewater of the aquaculture, domestic, commercial -service, medical, breed and industry with main pollution agents including TSS, BOD5, COD, TN, TP.Contents of paper have recognized some impacts to environment of Nghen river, thence calculate thepollution leads in the wastewater source. The domestic wastewater has maximum flow are 3 millioncubic metres in year, discharge leads for LTSS= 2.006,68 tons/year, LBOD5= 846.43 tons/year,LCOD=1458.26 tons/year, LTN= 238.24 tons/year, LTP=29.22 tons/year, next to the wastewater ofaquaculture have discharge leads for LTSS= 1903.43 tons/year, LBOD5= 752.13 tons/year, LCOD=1569.5tons/year, LTN= 1369.84 tons/year. The pollution leads in wastewater of commercial - service, medical,breed and industry only make up approximately 0.7% of discharge leads totals.