What is the water quality in Malaysia?
What is the water quality in Malaysia?
Overall, most of the quality of rivers in Malaysia were in Class II (76.5–92.7) (64.15% in 2017 and 63.52 in 2016) and Class III (51.9–76.5) (31.45% in 2017 and 31.66% in 2016).
What is NWQS?
Based on the National Water Quality Standard (NWQS) and WQI, the Department of Environment (DOE) has classified lakes into a few classes such as class I, II, III, IV and V. To measure the quality of water and detect the water pollution, it is one of the indicator that can be used (Table 2).
What is Class 3 water quality?
Class III Water Supply III – Extensive treatment required. Fishery III – Common, of economic value and tolerant species; livestock drinking.
What is the pH of tap water in Malaysia?
between 5.81 to 7.41
Study by [32] reported pH levels in drinking water between 5.81 to 7.41 which were slightly acidic for some of the samples.
How is Wqi calculated Malaysia?
WQI = 0.22(siDO) + 0.19(siBOD) + 0.16(siCOD) + 0.15(siAN) + 0.16(siTSS) + 0.12(sipH) 621 Page 3 siDO-subindex is for dissolved oxygen, siBOD-subindex is for biochemical oxygen demand, siCOD-subindex is for chemical oxygen demand, siAN-subindex is for ammoniacal-nitrogen, siTSS-subindex is for total suspended solid.
What is Malaysia water hardness level?
Is Malaysia Water Hard Or Soft? According to Wikipedia, water is classified as soft water when the hardness is below 60 mg/L. As a result, Malaysian water is predominantly considered soft with low levels of mineral content.
Is Malaysian water hard or soft?
What are the groundwater quality standards for Malaysia?
The Ground Water Quality Standards for Malaysia is still not established, but considering potential of groundwater as an alternative source for surface water, DOE had started the National Groundwater Monitoring Programme to determine the groundwater quality status.
What are the national water quality standards?
The National Water Quality Standards, which is applied to surface waters, ordains standard values of 72 parameters in 6 water use classes. The goal is not to meet the standards of the certain water class in all surface waters, but to improve water quality gradually in order to meet the standards of the better water class than the actual.
What’s new in the revised guidelines for drinking water quality 1989?
In the review and development of the Revised Edition of the National Guidelines for Drinking Water Quality 1989, efforts were made to reflect the experiences gained in the field as well as new knowledge in water treatment technology and health sciences.
What are the environmental laws and regulations in Malaysia?
In Malaysia, environmental acts and regulations were established in 1970’s. “Environmental Quality Act 1974” is an act related to the prevention, abatement, control of pollution and enhancement of the environment.
