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Ocena jakości wody pitnej w powiecie siedleckim

Radzka E., Koc G., Rak J.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2008

Vol. 17, No. 3

78--86

Valuation of water quality needs estimating the value of all the physical, chemical and biological indicators. In the study it was shown the valuation of drinking water quality in Siedlce district which was made based on data coming from the period 2004-2006. The results of water examine come from the District Sanitary Epidemiological Station in Siedlce. The examined water was taken from 31 water-supplies in Siedlce district. In 2004 water coming from 14 water-supplies met its Polish standards. Whereas the number, frequency and amount of excess of acceptable standards rose in 2005 and 2006. In analysed period among physical parameters hue and turbidity were exceeded predominatingly whereas among chemical ones - manganese and iron. Biological indicators exceeding the acceptable standard most often are: total number of bacteria in 37°C (23 times) and number of bacteria coli group (17 times). Nitrites, taste, smell, conductivity and reaction are the parameters which did not exceed valid standards in any examined water-supply. The water-supplies with best water quality in which the indicators did not exceed the standards are Stok Lacki and Stasin.