Faculty of Biotechnology and Food Sciences in Nitra Journal of Microbiology, Biotechnology and Food Sciences 1338-5178 special 1 vol. 5 2016-02-08 2016-02-08 DETERMINATION OF NITRATE AS A SOURCE OF RISK FOR HUMAN IN GROUNDWATERS 4 6 EN Peter Lazor Peter Lazor Terézia Maďaričová Terézia Maďaričová Tomáš Tóth Tomáš Tóth Ján Tomáš Ján Tomáš Martin Šimko Martin Šimko We monitored the content of nitrates (NO3-) in samples taken from individual groundwater resources in the cadastral territory of the city of Nitra and Zobor (Svorad’s spring, spring Šindolka and spring Buganka), also used for human consumption in the period 2012 - 2014. NO3- contents were assessed by Photocolorimetric method. We also evaluated the results achieved in relation to the current legislation in this area. The results of the performed analyzes throughout the period shows that the average concentration of NO3- represented in the samples of water from Svorad’s spring was 12,6 mg.dm-3, spring Šindolka 38,0 mg.dm-3 and spring Buganka 103,1 mg .dm-3 The nitrate concentration did not exceed the limit value in samples from spring Šindolka and spring Svorad. Spring Buganka had this value exceeded by up to 100 % of cases. We do not recommend to use water for human consumption from spring Buganka based on the measured values.
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