Very Susanto
"Tampalang Village is a village resulting from the division in Tappalang District, Mamuju Regency, West Sulawesi. Tampalang Village is an area with high clean water vulnerability, caused by 3 problems at once: naturally is an area with a hydrogeological system with low-aquifer productivity, in the coastal system that may be mixed with sea water and brackish water, and is further exacerbated by The 6.2 magnitude earthquake that caused changes in groundwater levels which implied the dryness of several wells dug wells. The issue of the availability of clean water is a fundamental problem in this area. To deal with these problems, the service activities carried out are to guarantee the availability of clean water needs and for the community in Tampalang Village, Mamuju Regency is fulfilled in every year (sustainable). This community service activity was preceded by a focus discussion group with the community, conducting a survey of water sources by measuring the physical properties of water (PH, TDS, conductivity, salinity, odor, and taste) in 4 hamlets namely, Tappalang Hamlet, Karatuang Hamlet, Tamao Hamlet, and Lenang Hamlet. Also carried out subsurface settings with the geoelectric method to determine the value of rock resistivity so that a productive aquifer is obtained. Geoelectric measurement results obtained a rock layer with a low resistivity value at point 1 (GL1) at a depth of 20-44 m, allegedly aquifer with alluvium lithology, and at point 2 (GL2) it is suspected that aquifer is at a depth of 10-50 m with a type of lithology of clastic limestone lithology . Taking into account the distance from the population, it was decided that drilling was carried out in the GL-1 area. Drilling is carried out up to 60 meters, by taking water pellets at 3 different depths: 20, 40, and 60 m. The pioneer results showed that aquifers at a depth of 60 m were quite productive acifers, with groundwater quality that still met WHO standards (2014) and Permenkes No. 492 of 2010 concerning Clean Water. Clean water installation can irrigate 200 households and 1 worship facilities."