Chirai River
{{Use dmy dates|date=August 2019}}
{{Infobox river
| name = Chirai
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| subdivision_type1 = Country
| subdivision_name1 = India
| subdivision_type2 = State
| subdivision_name2 = Gujarat
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| length_km = 30
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| discharge1_location= Tapar Dam
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| discharge2_location= Kandla, Gulf of Kutch, Arabian Sea
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| source1_location = India
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| mouth =
| mouth_location = Gulf of Kutch, Arabian Sea, India
| mouth_coordinates = {{Coord|23.1601|70.2575|format=dms|region:IN|display=inline,title}}
| mouth_elevation = 0 m.
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Chirai River, also known as Sakara River, is a river in Gujarat in western India, whose origin is above the ancient city of Khirsara. Its basin has a maximum length of 30 km. The total catchment area of the basin is 365 km2.{{Cite web|title=Chirai River |publisher=Government of Gujarat |url=http://guj-nwrws.gujarat.gov.in/showpage.aspx?contentid=2158&lang=English|website=guj-nwrws.gujarat.gov.in |archive-url=https://web.archive.org/web/20150221221352/http://guj-nwrws.gujarat.gov.in/showpage.aspx?contentid=2158&lang=English |archive-date=21 February 2015 |url-status=dead }}
The Tapar Dam (Tappar Dam) on the Chirai was completed in 1975 ({{Coord|23|15|07|N|70|08|11|E|display=inline}}). It was an earthen embankment dam with a concrete cover, 4,575 meters long and 17.75 meters high. It was designed to hold 48.81 million cubic meters of water.{{Cite book|last=Sêco e Pinto |first=Pedro Simão |year=2015 |chapter=Lessons learned from dams behavior under earthquakes |editor-last1=Ansal |editor-first1=Atilla |editor-last2=Sakr |editor-first2=Mohamed |title=Perspectives on Earthquake Geotechnical Engineering |location=Cham, Switzerland |publisher=Springer Verlag |pages=187–246, page 196 |isbn=978-3-319-10785-1 |chapter-url=https://books.google.com/books?id=__FICAAAQBAJ&pg=PA196 }} The dam failed as a result of the January 2001 Bhuj earthquake, and was subsequently rebuilt.{{Cite book|last1=Yagev |first1=Sanjaykumar M. |last2=Mishra |first2=R. |last3=Samtani |first3=B. K. |year=2008 |chapter=Rehabilitation of earthquake affected Tapar Dam, Gujarat, India |title=Geomechanics in the emerging social and technological age: Proceedings of the 12th Conference of International Association for Computer Methods and Advances in Geomechanics, Goa, India |location=Cham, Switzerland |publisher=Springer Verlag |volume=6 |pages=4744–4747 }} (Paper Id: 688) The Tapar Reservoir (Tapar Reservoir) provides water for the Gandhidham metropolitan area and the port at Kandla.