WATER QUALITY INDEX FOR REDIU, CACAINA AND CIRIC RIVER IN URBAN AREA OF IASI CITY
Journal Title: Present Environment and Sustainable Development - Year 2012, Vol 6, Issue 2
Abstract
Typically, reports on surface water quality include useful information for people, but the language used addresses rather specialists, which leaded to develop an mathematically index, like water quality index (WQI), very useful and efficient for assessing the suitability of water quality as well as for communicating the information to the concerned citizens and policy makers. The present study assessed the surface water quality for three rivers from northern part of Iasi city based on WQI. These water courses were not included into monitoring program, the area being highly populated, the citizens wishing to know the real state of the surface water resources in the area they live. For reaching this goal, there have been collected 19 samples, in June 2011, analysed in situ and in the laboratory. For the WQI were used six parameters (pH, turbidity, dissolved oxygen (DO), five days biochemical oxygen demand (BOD5), phosphates (PO4), nitrates (NO3). The results have been statistically processed. The result showed that the WQI for each parameter fit into good status for pH, bad status for turbidity and oxygen indicators, excellent for phosphates and bad status for nitrates in Ciric and Cacaina river and good status on Rediu river. General WQI fall into medium status with variance between 53 for Ciric river and 67 for Rediu, with different values for each monitored point, Rediu being the only river that have two monitoring points that suit to good quality status
Authors and Affiliations
Ana – Maria Oişte, Iuliana Gabriela Breabăn
Keywords
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