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Lysimeters, piezometers and tensionmeters are the issues that Washington Terrace residents ever talk about. These words uplift the hopes and spirits of Washington Terrace residents for the underground water problem in their area which they have been battling over for several years has already damaged the health of residents. $75,000 is the estimated price for a project that includes the underground drainage system which after some time will be turned into a storm drain. Under the basement of homes in the area, segments of 15 inch pipes will be installed at exactly two feet as part of the system's architecture. Some kind of a gravel wrap will serve as the border of the open segments for ground water to enter into the pipe. With the help of a local university student and the devices that will be installed, the water levels pouring into this underground pipe and the quantity of surface water that enters the ground will be easily determined. Work began with the installation of a huge cylindrical lysimeter in the city's Central Park. The big tank which is filled with soil and then encased in another cylindrical tank is buried deep in the ground beneath a layer of turf to simulate the layers which surface water must travel before becoming part of the ground water flow. A staircase going to the device which accurately measures water soil is located at the lysimeter near the fence of the center field line of the park's baseball diamond. In measuring water levels along the underground drainage system, piezometers are used to measure the depth of the water table while tensionmeters are used to measure the amount of surface water. These devices which act some kind of a mechanical root, the piezometers and tensionmeters, haven't all been installed yet. The tensionmeter draws water out of the ground and as the grass begins to dry out, the water returns back to the soil. Only two devices are to be installed in each of the private residence area and in the city park because the prices of these mechanisms are quite high. When the turf is in need of more water, the importance of a tensionmeter enters. In some tests, a study about how consistent the sprinklers used by the residents, the city, and two different churches will be included. If enough residents cooperate, the tests may ultimately determine whether surface water is contributing significantly to the groundwater problem. The underground drainage system primary results show that it aids in diminishing the groundwater problem in the area. Before the system was installed, some residents have had a difficult time pumping ample amounts of water from their properties. As much as 2.5 feet, the water tables dropped vigorously between the end of May and the middle of June, based on studies. According to another study, water escaping from its holding tanks plays a very irrelevant factor in the current groundwater situation. Initial results somewhat prove that the city contributes to the over watering, though the surface water problem has not yet been broadly studied. After holding sprinkler tests, residents will be told as to how much water should be used and how often it should be used. As a conclusion of all the studies conducted, the city mayor hopes that residents will attend and listen to the meetings wherein the results of the study will be explained. According to him, after the council hears the comments from these residents, the council could properly determine whether they should have widespread bonding for a major project or continue at a slower rate. The ability of this underground drain to handle both surface and subsurface water made the mayor suggested that subdividers be installed in this type of system in future land developments to somehow help eliminate the problem.
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