Water Quality Index Malaysia Journal

American eurasian journal of agricultural environmental science 5 725 732.

Water quality index malaysia journal. The department of environment doe uses water quality index wqi and national water quality standards for malaysia nwqs to evaluate the status of the river water quality the wqi introduced by doe is being practiced in malaysia for about 25 years and serves as the basis for the assessment of environment water quality while nwqs classifies the. 10 monitoring stations covering along klang river and juru river were selected. Water quality responds to myriad stimuli and reactions. The department of environments is responsible for tracking the water quality in malaysia using water quality index and national water quality standards.

7 4 prediction however this statement can be debatable depending on the complexity of the model itself. Prediction of water quality index using ann. River water quality and status. A safe drinking water programme known as the national drinking water quality surveillance programme ndwqsp was launched by the ministry of health government of malaysia in 1983 to ensure safe practices in water treatment and distribution.

The aim of this work was to assess the effectiveness of this programme in the improvement of tap water quality in and around kuala lumpur. Equation 1 for calculating water quality index wqi is applied using table 1 1. The purpose of this study was to assess the water quality status from 2009 until 2013. Gombak river 449 journal of engineering science and technology august 2012 vol.

The temperature turbidity ph ec and do values of all the examined samples have been within the range of 25 0 to 30 5 0c 39 5 to 168 00 ntu 6 8 to 7 33. This study was carried out to determine the semenyih river water quality based on the physicochemical and biological parameters. Six water quality parameters analyzed based on in situ and ex situ analysis were carried out. Doe water quality classification based on water quality index index range sub index water quality index clean slightly polluted polluted biochemical oxygen demand bod 91 100 80 90 0 79 ammoniacal nitrogen nh 3 n 92 100 71 91 0 70 suspended solids ss 76 100 70 75 0 69 water quality index wqi 81 100 60 80 0 59.

The present investigation has been conducted to assess the status of physico chemical parameters as well as the concentrations of some selected heavy metals to understand the present scenario of water quality at perak river basin malaysia. Klang river and juru river which today suffers from water quality probllems resulting from anthropogenic and geomorphology factors. The results showed that temperature ph conductivity tds so sub 4 sub and th were classified as.