That is the principle that must be selected in the region never penetrate or groundwater in the water layer is solid rock requires knowledge of the geological and geological uthok groundwater in drilling wells to be drilled to the big water in certain must be drilled test wells (Test hole). Before 2-3 wells drilling test wells in order to find the depth of the groundwater sources. The point where the groundwater layer. The point where the most water quality groundwater at its best. Results from the testing and verification of other information, such as checking the floor stones. To check the water layer with power tools and testing water content. When the main estimates be drilled.. Guidelines for selecting a general penetration point should be selected using the geography of their joining.
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