Cipinang River
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The Cipinang River is a river in the
Special Capital Region of Jakarta Jakarta (; , Betawi language, Betawi: ''Jakartè''), officially the Special Capital Region of Jakarta (; ''DKI Jakarta'') and formerly known as Batavia, Dutch East Indies, Batavia until 1949, is the capital and largest city of Indonesia and ...
,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
. The Cipinang River is a tributary of the Sunter River, conjoining near I Gusti Ngurah Rai Street and Cipinang Muara Ilir Street, Jakarta, but in the middle, it is cut by the beginning of
Banjir Kanal Timur The Jakarta Flood Canal () refers to two canals that divert floods from rivers around Jakarta instead of going through the city. This first flood control channel was designed by Hendrik van Breen, an engineer working for the Dutch East Indian '' ...
, near Cipinang Besar Selatan Street and IPN Street, Jakarta. The river flows mainly in the district of Makassar, East Jakarta, with many houses built on both banks.


History

Cipinang River is upstream in Depok, West Java, and flows to the direction of Banjir Kanal Timur and Sunter River. Its water used to be very clear, and the local people utilized it for bathing before more people settled there. There were many types of fish found along the river:
tilapia Tilapia ( ) is the common name for nearly a hundred species of cichlid fish from the coelotilapine, coptodonine, heterotilapine, oreochromine, pelmatolapiine, and tilapiine tribes (formerly all were "Tilapiini"), with the economically mos ...
,
Java barb The Java barb (''Barbonymus gonionotus''; ''Ta-phian''; Lao: ''Pa keng''; ''Trey Chpin''; ; Vietnamese: ''Mè Vinh''), more commonly known as silver barb in aquaculture, is a species of ray-finned fish in the genus ''Barbonymus''. Descript ...
, and
catfish Catfish (or catfishes; order (biology), order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Catfish are common name, named for their prominent barbel (anatomy), barbels, which resemble a cat's whiskers, though not ...
. Its width reached seven meters with a depth of four meters. However, in the last ten years, more houses were erected on both banks. The river became narrower and its water quality was neglected until it turned black and heavily polluted from various industrial sources. Former ponds on its banks were turned into trash collection mounds. Therefore, during the rainy season, the river often causes flooding in the surrounding area. According to the residents, the worst flood was in 2015. In January 2017, after the normalization was initiated, the condition improved, but the flooding still happened.


Hydrology

The Cipinang has a length of , with a watershed area (Indonesian: ''Daerah Pengaliran Sungai'') of 57.45 km2. The average daily rainfall is 136 mm, with the peak debit at 85 m3. BBWS Ciliwung Cisadane. ''Pengendalian Banjir dan Perbaikan Sungai Ciliwung Cisadane'' (PBPS CC). https://konservasidasciliwung.wordpress.com/kebijakan-tentang-ciliwung/bbws-ciliwung-cisadane/ Archived in ''Konservasi DAS Ciliwung''] - April 2012.


Geography

The river flows in the northwest area of Java with a predominantly
tropical rainforest climate A tropical rainforest climate or equatorial climate is a tropical climate sub-type usually found within 10 to 15 degrees latitude of the equator. There are some other areas at higher latitudes, such as the coast of southeast Florida, United States ...
(designated as ''Af'' in the Köppen-Geiger climate classification). The annual average temperature in the area is 28 °C. The warmest month is September when the average temperature is around 31 °C, and the coldest is May, at 26 °C. The average annual rainfall is 3674 mm. The wettest month is December, with an average of 456 mm of rainfall, and the driest is September, with 87 mm of rainfall.


Rehabilitation

In 2014 the Jakarta government started the rehabilitation of the Cipinang, from Cibubur to
Banjir Kanal Timur The Jakarta Flood Canal () refers to two canals that divert floods from rivers around Jakarta instead of going through the city. This first flood control channel was designed by Hendrik van Breen, an engineer working for the Dutch East Indian '' ...
. Measurements have been carried out since 2018. The river was widened to 12 meters with a depth of 3 meters.Keindahan Alam Kali Cipinang yang Hilang Setelah Jadi Gunung Sampah
- Robertus Belarminus, Kompas.com - 14 Sep 2015.
The accumulated garbage was never removed for 30 years until finally, it was transported completely under the instruction of Governor
Basuki Tjahaja Purnama Basuki Tjahaja Purnama (, Pha̍k-fa-sṳ: ''Chûng Van-ho̍k''; born 29 June 1966) is an Indonesian businessman, politician, and former governor of Jakarta. He is colloquially known by his Hakka Chinese name, Ahok (). He was the first ethnic C ...
on 13 September 2015.Ahok Sebut "Malu-maluin" Sampah Kali Cipinang Baru Diangkut...
- Kurnia Sari Aziza, Kompas.com - 14 Sep 2015.
For the rehabilitation of water flow, some residents had to be moved, and the government bought the houses and lands along the banks. The government of Jakarta put much effort into this rehabilitation to free
East Jakarta East Jakarta (; ), abbreviated as Jaktim, is the largest of the five administrative cities (''kota administrasi'') which form the Special Capital Region of Jakarta, Indonesia, with a land area of 188.03 km2 (72.6 sq.miles). It had a population ...
from future flooding.Pemda DKI Genjot Normalisasi Kali Cipinang
- Aghnia Adzkia, CNN Indonesia - 27 Apr 2016.


See also

*
List of drainage basins of Indonesia This is a list of river catchment areas, also known as drainage basins, in Indonesia. Based on the National River Basin Classification map, Indonesia has a total of 42,210 river basins organized as a basis for determining watershed management poli ...


Notes and references

{{Rivers of Jakarta Landforms of Jakarta Rivers of Jakarta Drainage basins of the North Coast of Java