"The area of interest is located in the South Moravia Region at the confluence of the Jihlava, Oslava and Rokytn\u00E1 rivers. Ivan\u010Dice spring area comprises a series of hydrologic boreholes, it is the main water source for water supply of Ivan\u010Dice and Rosice towns and provides water for 30,000 inhabitants. The risk analysis was created on the basis of water quality monitoring, hydrogeological assessment and terrain exploration and a revision of protection zones was proposed. The spring area is situated in nitrate vulnerable zones and recently nitrate concentrations have been decreasing. Water quality evaluation results: high concentration of manganese and iron, sometimes higher concentration of ammonium and COD. This area is intensively used for agriculture and it is necessary to make a compromise solution during protection zones proposal. The regime in protection zones can not affect manganese and iron concentration (their origin is in the natural geological environment). Therefore, water treatment plant is in operation and its modernization is proposed. Furthermore, the paper deals with spring area intensification construction of a new hydrologic borehole, and managed and unmanaged infiltration of surface water. The proposal of protection zones revision consists of reduction to a 2nd level protection zone." . . "[10ACD074D8EC]" . "1"^^ . "The area of interest is located in the South Moravia Region at the confluence of the Jihlava, Oslava and Rokytn\u00E1 rivers. Ivan\u010Dice spring area comprises a series of hydrologic boreholes, it is the main water source for water supply of Ivan\u010Dice and Rosice towns and provides water for 30,000 inhabitants. The risk analysis was created on the basis of water quality monitoring, hydrogeological assessment and terrain exploration and a revision of protection zones was proposed. The spring area is situated in nitrate vulnerable zones and recently nitrate concentrations have been decreasing. Water quality evaluation results: high concentration of manganese and iron, sometimes higher concentration of ammonium and COD. This area is intensively used for agriculture and it is necessary to make a compromise solution during protection zones proposal. The regime in protection zones can not affect manganese and iron concentration (their origin is in the natural geological environment). Therefore, water treatment plant is in operation and its modernization is proposed. Furthermore, the paper deals with spring area intensification construction of a new hydrologic borehole, and managed and unmanaged infiltration of surface water. The proposal of protection zones revision consists of reduction to a 2nd level protection zone."@en . . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "1"^^ . . "Agriculture and Water Sources Protection Zones in the Czech Republic" . "Agriculture and Water Sources Protection Zones in the Czech Republic" . . "Agriculture and Water Sources Protection Zones in the Czech Republic"@en . . "Agriculture and Water Sources Protection Zones in the Czech Republic"@en . . "10" . "Oppeltov\u00E1, Petra" . . "13"^^ . . . . . "Journal of Agricultural Science and Technology A" . . "18" . "43210" . "RIV/62156489:43210/12:00192455!RIV13-MZE-43210___" . "121363" . . . . "RIV/62156489:43210/12:00192455" . "P(QJ1230056)" . "2161-6256" . "water protection; water pollution"@en .