The Grogol River (Kali Grogol) is a small river in the
western part of 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. The lower portions of the original river have been channelized with
levee
A levee ( or ), dike (American English), dyke (British English; see American and British English spelling differences#Miscellaneous spelling differences, spelling differences), embankment, floodbank, or stop bank is an elevated ridge, natural ...
s built along its banks,
but flooding remains a real concern.
Illegal building
Illegal construction (also known as illegal building or illegal housing) is construction work (or the result of such) without a valid construction permit. Besides the potential technical hazards on uncontrolled construction sites and in finishe ...
s built along its banks were removed in 2014,
and fifty-eight village families were provided with replacement housing, but most of them could not be accommodated.
Course
The Grogol River arises around in Desa Kedungbadak and runs north between the
Krukut River to the east and the Pasanggrahan River to the west, further north the Sekretaris River
[, United States National Geospatial-Intelligence Agency] arises to the west. The Grogol passes through Desa Sukadamai and Desa Kencana. After crossing the
Jakarta Outer Ring Road
The Jakarta Outer Ring Road (, abbreviated JORR) is a tolled ring road encircling Jakarta, Indonesia. It is divided into 7 sections, totalling up to . The JORR is managed by four toll road companies: Jakarta Lingkar Baratsatu, Marga Lingkar Jaka ...
(''Jalan Tol Lingkar Luar Jakarta'') it follows parallel to and just east of Route 12. At there is an overflow channel that goes west to the Pasanggrahan River. The Grogol continues north through Senayan City and just west of
Gelora Bung Karno Stadium
Gelora Bung Karno Main Stadium (; literal translation, literally "Bung Karno Sports Arena Main Stadium"), formerly Senayan Main Stadium and Gelora Senayan Main Stadium, is a multi-purpose stadium located at the center of the Gelora Bung Karno Spor ...
. It serves as a drain for
Palmerah Urban Village.
Beginning at Bank Danamon Central Park it parallels
Route 1 until where an overflow channel heads due west to join the Sekretaris River, while the channelized river continues beside Route 1 and flows into the
Angke River
The Angke River ( or , ) is a long river in Jakarta, Indonesia. The river flows from the Bogor area of West Java, passing through the cities of Tangerang (Banten) and Jakarta into the Java Sea via the Cengkareng Drain.BBWS Ciliwung Cisadane. ''P ...
at .
Hydrology
The Grogol River has a length of , with the watershed area () of 32.08 km
2.
[ The average daily rainfall is 144 mm, with the peak flow rate at 290 m3 per second.][BBWS Ciliwung Cisadane. ''Pengendalian Banjir dan Perbaikan Sungai Ciliwung Cisadane'' (PBPS CC)]
Archived in ''Konservasi DAS Ciliwung''
- April 2012.
Geography
The river flows in the northwest area of Java with 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 27 °C. The warmest month is March, when the average temperature is around 30 °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 rainfall, and the driest is September, with 87 mm rainfall.
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 ...
References
{{Rivers of Java
Rivers of Jakarta
Drainage basins of the North Coast of Java