The obtained results were found to be corresponded to the unconfined nature of in the encountered aquifers in A1, A2, A3, A4, A5, A6, A7, A8, and B1, B2, B3, B4 wells, and this is clearly indicated in the storage coefficient (specific yield) of this aquifer in these wells. The large transmissivity of the Disi aquifer is indicated between 541 to 656 m 2 /day of yielding wells and the storage coefficient in the range 0.0199 to 0.0260, the specific capacity in range 5.9 to 7.11 l /s /m. The most important feature of the Rum aquifer is its homogeneity in the grain size ranges between 0.25mm to 0.51mm sand, the uniformity coefficient ranges between 1.36 to 2.19 at different formations depth between 330m to 520m, medium to fine and medium to coarse uniformly graded sand of different formations. The Rum aquifer system represents an unconfined aquifer system in the area in which no deposition of Khreim group where Khreim group overlies the Rum sandstone deposits. Since most coating properties are thickness-dependent, it is imperative that the optimum thickness be. The groundwater flows from the Saudi Arabia in the South towards North East Jordan in central Jordan. The drawdown test is a fundamental laboratory technique which is used to evaluate interactions between flat surfaces (such as film, foil, and paper) and a myriad of inks, coatings, paints, suspensions, adhesives, colloids, powders, etc. The Disi aquifer, which is the main source of water for Mudawara Region, is one of the most permeable and productive Sandstone aquifers in the Jordan. The rock formations constituting the Rum group compose the Rum aquifer system, which dominates the fresh water aquifer system in southern Jordan which the aquifer system in southern Jordan which the rock formations constituting the Khreim group represent the confining layer where Sahl Suwaan formation occur. These formations are Saleb, Burj, Umm Ishrin, Disi, and Umm Sahm formations. Where the member takes a relevant lump sum. Work includes the mobilization of a temporary pump and equipment to measure water level drawdown and flow rate. The testing involves taking a soil sample, placing it in a container or tube, and then adding water to the container and measuring the rate at which the water drains through the soil. The aquifer is composed of rock units overlaying the basement complex of the Precambrian ERA are subdivided into two groups: the upper group is called Khreim group, and the lower group is the Rum group. Where funds are designated to provide a member with a drawdown pension BCE 6. A Step-Drawdown Test is an accelerated pumping test for a single well,designed to estimate the aquifer characteristics and performance of a pumped well under threesuccessively higher pumping rates or steps under controlled flow. Koomy drawdown testing is a method of testing soil drainage characteristics by measuring how quickly water drains through a soil sample.
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