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Lysimeters, piezometers and tensionmeters are the issues that Washington Terrace residents ever talk about. For several years, an underground water problem caused major illness to the residents of Washington Terrace which is why they see those words as a sign of hope to fix their current situation. The underground drainage system which will be constructed and be turned into a storm drain is worth $75,000 approximately and is included in the big project. At more than two feet beneath the basement level of homes in the area, segments of 15 inch pipes will be installed due to the construction of that system. The open segments will be surrounded by a gravel envelope to allow the ground water to seep 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. A huge cylindrical lysimeter was first installed 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. The water levels in the soil is measured using a tall, measuring device which can be found at the center field line of the park's baseball diamond where a lysimeter and a staircase going up to the measuring device stands. 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. Acting as a mechanical root, these later devices have not all been installed yet. The tensionmeter pulls water out of the ground and then returns water back to the soil as the turf begins to dry out. The high cost of these devices limits it from being installed in no more than four sets, which is why two sets will be placed in the city park and another two sets on a private residence study area. To determine whether turf needs more water, tensionmeters are widely used and become more relevant. A study will be conducted where other tests are included about the consistency of sprinklers used by the residents, the city, and two different churches. With the help of various tests, identifying whether surface water contributes to the groundwater problem is possible if only a good number of residents will cooperative. The underground drainage system primary results show that it aids in diminishing the groundwater problem in the area. Life was difficult back then for some of the residents, for they only received insignificant amounts of water when the system hasn't been installed yet. It was during the end of May until the middle of June when the water tables in some areas dropped as much as 2.5 feet, according to studies. The cause of leakage from holding tanks does not have anything to do with the groundwater situation based on a different study. According to the main result of the study about surface water problem which is yet to be finished, the reason why there is over watering is because of the city. Once the sprinkler tests have been conducted, residents will be informed about the proper watering frequency and the amount of water they should use. As a conclusion, the city mayor wants the residents to attend the meetings as for them to understand more about the current situation. To resume at a rate slower than before or to conduct extensive bonding for a major project are the two decisions which the council has to choose from according to the mayor after the residents? comments have been brought up. The mayor suggested that subdividers be required to install this type of system in future land developments to help eliminate the problem because of the initial success of this underground drain which is able to handle both surface and subsurface water.
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