Drinking water quality standards

Drinking water from any natural source must satisfy health and technplog-ical requirements. First of all, water must not contain any organisms or concentrations of substances which have or could have detrimental effects on the health of people after being used over a long period of time. 

Drinking water must have an acceptable taste, it should have good appearance, it should be free from unpleasant odour and it should also have an appropriate temperature so that it is refreshing. Drinking water distribution through pipelines should not worsen its quality. The requirements for a sufficient quantity of drinking water result from the aspects of hygiene [7-12]. 

The World Health Organization has established minimum criteria for drinking water that all nations are urged to meet. These standards are listed in Table 3.47. Countries with more advanced technology generally have standards that exceed this quality. 

As an example of a national standard for drinking water quality based on the above specified requirements of the World Health Organization which considers specific conditions of a given country, the Czechoslovak Standard can be presented. 

The requirements for drinking water quality are specified in CSN 83 0611 — Drinking Water. This Standard presents permissible concentrations of elements, compounds and microorganisms which must not be exceeded, for the safeguard of man s health, or to avoid other damage resulting from its use. The Standard also includes some other properties concerned with 

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AZ Drinking water quality standards Domestic/ Drinking 0.49 p g/L 5.7pg/L SIttIg 1994... 

Ontario Regulation 169/03. Ontario drinking water quality standards. Safe drinking water act, 2002. Available at www.e-laws.gov.on.ca/html/regs/english/elaws regs 030169 e.htm... 

Republic of China Environmental Protection Administration (1998) National Drinking Water Quality Standards, Environmental Protection Administration, Taiwan, Republic of China. 

D.Z. John, Handbook of drinking water quality Standards and controls, New York Van Nostrand Reinhold (1990). 

Notes Sea water quality standard (GB3097-1997), 1997, State Oceanic Administration, P. R. China. Drinking water quality standard (GB5749-85), 1985, Ministry of Health, P. R. China fishery water quality standard (GB11607-89), 1989, State Environmental Protection Administration, P. R. China surface water quality standard (GB3838-2002), 2002, State Environmental Protection Administration, P. R. China. 

Drinking water quality standard (GB5749-85), 1985, Ministry of Health, P. R. China. Fishing water quality standard (GB11607-89), 1989, State Environmental Protection Administration, P. R. China. 

Drinking water Drinking water quality standards FSTRAC 1990 (unless otherwise specified)... 

Sdderqvist, T. (1994). The costs of meetinga drinking water quality standard the case of atrazine in Italy. In Environmental Toxicology, Economics andinstitutions, ed. 

J. De Zuane, Handbook of Drinking Water Quality, Standards and Controls, Van Nostrand Reinhold, New York, 1990. 

Pontius, F.W., Clark, S., 1999. Drinking Water Quality Standards, Regulations, and Goals. In Letterman, R.D. (Ed.), Water Quality and Treatment, fifth ed. McGraw-Hill Book Co., New York (Chapter 1). 

As[V] solution concentrations of 25 and 50 mg/L were reduced to less than 0.01 mg/L according to the Drinking Water Quality Standards of Japan (cf that of WHO is 0.05 mg/L) within 5 and 7 days, respectively. 

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