Analysis of free groundwater vulnerability level to pollution using “DRASTIC METHOD” development in surakarta city

Abstract

Increasing population density affects clean water reserves in Surakarta City. Free groundwater reserves in 2015 during the transition season in Solo is merely 1.34 billion L, whereas the amount of confined groundwater at the same time is up to 21 billion L. Solo population’s water requirement, however, is 51 million L/day or 18.62 billion L/year; therefore, it is predicted that well water crisis will occur in 2020. Population growth rate and the emergence of other supporting facilities in Surakarta result in a rapid change in agricultural lands into housing and industrial areas. The land utilization conversion becomes one of groundwater pollution sources and contributes to the entry of pollutants into the groundwater. This research aims to find out free groundwater vulnerability level to pollution and distribution of each DRASTIC parameter as well as land utilization for Surakarta City territories. The research is conducted using weighting method and parameter appraisal consists of DRASTIC parameters as main parameters and land utilization as development parameter. According to data obtained, the overall free groundwater in Surakarta territories indicates a high vulnerability level to pollution. Factors that are estimated to influencing the high level of the vulnerability include: soil texture that is dominated by loam, sand, and gravel, and land utilization.

Tinjauan Literatur Sistematis dan Analisis Bibliometrik Penelitian Kerentanan Airtanah di Indonesia (2013-2021)

“…Penelitian kerentanan airtanah selain memiliki keragaman secara lokasi juga memiliki keragaman secara metode yang digunakan. Hasil tinjauan literatur sistematik menunjukkan ada beberapa metode yang digunakan dalam penelitian kerentanan airtanah di Indonesia diantarnaya GOD (Sukmawati Rukmana et al, 2020;Widodo et al, 2021), DRASTIC (Aribowo et al, 2021b;Kesuma et al, 2017;Koesuma et al, 2021;Machdar et al, 2018;Putranto & Aribowo, 2020;Wicaksono et al, 2013), HGZ (Klaas et al, 2017(Klaas et al, , 2018, COP (Yogafanny & Legono, 2021), APLIS (Syafarini et al, 2021), SVV (Aribowo et al, 2021a), EPIK (Riyanto et al, 2020;Syahidin & Murti, 2021), AVI Putranto & Yusrizal, 2018;Siswoyo & Azhar, 2019), SINTACS dan SINTACS Lu (Ayu Wandari et al, 2020;Primastuti & Kusratmoko, 2018), SI (Marjuanto et al, 2019) , DRANTHVP (Ahadiah & Widyastuti, 2020), PCSM (Putranto & Marjuanto, 2021). Selain satu metode tunggal ada juga yang menggunakan integrasi beberapa metode diantaranya GOD dan DRASTIC , AVI -GOD -SINTACS -DRASTIC (Nugraha et al, 2020)…”

Identification of Land Use and Land Change due to its impact on Groundwater Level in Surakarta city

“…Water is becoming increasingly scarce as the human population continues to grow and demands high quality water for household and economic activities [10]. Groundwater is the water source that is most often used by humans to support domestic needs (households), industry, services, and agriculture [11]. IOP Conf.…”

Identification of Aquifer Potential by Geoelectric Method in Gedangsari District, Gunungkidul Regency

“…Its utilization is carried out by making dug wells and pantek wells at a depth of less than 20 meters below the surface. The free groundwater reserves in 2015 during the winter season in Solo were only 1.34 billion L and the groundwater was constrained at the same time reaching 21 billion L. While the water needs of the residents of Solo were 51 million L / day, so it is estimated that there will be a well water crisis in 2020 [2]. There are many challenges related to the water crisis, this is due to the increasing population, pollution of water resources, errors in managing resources, and imbalances in water use policies [3].…”