1) Which area is a plain Ask a geologist to know that The area is supported by gravel, sand, more than 25 meters thick from the soil surface. Inspect the villagers' wells if they are available year-round. The water level in the well is not very deep. And the sand gravel that the villagers dug up has a round shape that area is often a source of water. Can choose to drill anywhere
2) Any area that looks the same as in number 1, but the sand gravel dug up by the villagers is not round, but is square, has facets or corners, is mixed with white clay. Often there is no water source every puncture point choosing a drill should consult a groundwater scholar rather than choosing it yourself.
3) Which area is a plain or a valley? There are rivers and streams flowing through. The water zigzag and has a wide sandy beach The rainy season tends to overflow the banks. The dry season has flowing water. That area will be a good source of groundwater. You can drill anywhere, you don't need to hire a medium to sit inside and point out the piercing point.
4) What area is a watershed? Should choose to drill in the bend on the side that has a sandy beach. The opposite side, where there is a bank and erosion, should not penetrate.
5) What area looks like a wide plain by the sea? Will drill anywhere groundwater. But don't delve too deeply. Maybe salt water
6) Which area is characterized as a flat terrace with multiple steps? Should choose to drill in the area that is at the lowest level. The plains are high. Even with water, there is a depth.
7) Usually there is an alternating clay layer in the sand gravel layer. Where to dig a well If clay soil is found without water, do not despair. If you have the ability to dig deeper will reach a layer of sand with water
8) Wells or digs should be as far away from sewage sources as toilets or sewers as possible. The United States Department of Health recommends that The pit should be located at least 50 feet from the toilet.
9) Which area is a dry plain? But there are evergreen trees growing in sections throughout the year, indicating that the area has groundwater resources. Which may be in the old channel Forests will work.
10) Any area that is rocky, whether it is outcropped or visible on the soil surface. Or shallow shore under the surface The selection of groundwater drilling in that area should be given to academics. Or give advice because groundwater in rocks is not as common as in gravel The selection of drilling sites depends mainly on geological data. But if you really have to choose yourself, it should be in a low area. If there is a hole in the long ravine as well, the more chances of getting water.
11) Areas that are salt water sources or salt sources such as in the central plains of the Northeast Should choose to drill in hilly areas with forests or shrubs in general. Because there may be a chance to get fresh water
12) mountainous area There are solid rock outcrops everywhere. The stone strata was slanted and poured down towards the foot of the mountain. It is strongly advised not to drill groundwater in that area. But if you really want water It should slide the drill-down to the foot of the mountain might get water. And the water may spring