Have there not been swampy areas in Jakarta with functions similar to infiltration wells, but covering much larger areas, since ages? These areas in Jakarta are often identified by names starting with
"rawa,". This could naturally served this purpose without the necessity for spending any money for additional ground excavation. Why is there a need to construct infiltration wells if such natural features could solve the problem ??
Anies Baswedan built reasonable number of infiltration wells when he was the Governor of Jakarta. In his era as the governor of Jakarta. Some of these infiltration wells were even built on the pavement.
Ada lima insiden kecelakaan akibat sumur resapan yang disaksikan juru parkir di kawasan Lebak Bulus. Beruntung, insiden tersebut tidak berujung fatal.
megapolitan.kompas.com
https://www.cnnindonesia.com/nasion...pan-anies-tak-efektif-atasi-banjir-boros-apbd Expert Criticizes Anies Infiltration Well: Not Effective in Dealing with Floods, Waste of money.
But do people need an expert opinion if general observation that could be done by everyone will do the job. What happen thereafter worse or better ?? Did this approach effectively address the problem?. Also how come a few infiltration wells of this size (See the image below) could take more than a week of torrential rains covering such a large areas of Metropolitan Jakarta which might also get added by flash flooding from other regions.
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He is advocating an idea that closely resembles the concept of Infiltration wells in the Middle East, which effectively manage water in arid regions with scarce rainfall. Probably because he was following the advise from his scientists who are spending more time in middle east politics, preaching rather than expand their knowledge in science. It does not need a genius to realise that Infiltration wells in arid areas, desserts areas will work well to harvest and absorb the excess water from the rain. But Jakarta especially during monsoon and its torrential rains is not a dessert. While it is expected to absorb the excess water it turns to become a very large public swimming pools.
Anies and his fervent supporters, particularly the more extreme ones who consider religion is above the constitution, seem to favour adopting ideas from the Middle East without adequately considering the distinct ethnics, beliefs, cultures, environmental differences between the two regions.