Geo-chemical and Mineralogy Assessments with Groundwater Recharge Well System (REWES) for Water Circulation.

The water quality index is not stable for long time constraints because variable forms of contamination affect by groundwater movements. During recharge and discharge circulation in the ground, the original water quality is disturbed by the surface water injected into the ground system. This paper aims to identify the purity of water contaminations in the ground layer (clay mineral) during abstraction method. Using geo-chemical (XRF) and mineralogy (XRD) analysis, the groundwater quality gives the best result on dilution actions more than 12% decreases compared with purity indexes. Schedulable pumping for withdrawal groundwater flushing for water distribution also gave positive in quality index in order to natural or mineral water intake. The recharge coefficient found in the range of 0.05 to 0.19 for the study area. The circulation system with control function more quality-effective to pure the groundwater ecology system with lower costtreatment for water distribution purpose. Therefore, evaluating the water quality for duo actions in this study must consider the safety level for the ground system and water demand records. [ABSTRACT FROM AUTHOR]