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{{Infobox dam
| name = Tilaiya Dam
| name_official = Tilaiya Dam
| image =
| image_size =
| image_caption =
| image_alt =
| location_map = India Jharkhand
| location_map_size =
| location_map_caption = Location in Jharkhand
| coordinates = {{coord|24|19|26|N|85|31|16|E|type:landmark|display=inline,title}}
| country = [[India]]
| location = [[Koderma district]], [[Jharkhand]]
| status = Functional
| construction_began =
| opening = 21 February 1953
| demolished =
| cost =
| owner = [[Damodar Valley Corporation]]
| dam_type = Concrete gravity dam
| dam_height = {{convert|30.28|m}}
| dam_height_thalweg =
| dam_height_foundation=
| dam_length = {{convert|366|m}}
| dam_width_crest =
| dam_width_base =
| dam_volume =
| dam_elevation_crest =
| dam_crosses = [[Barakar River]]
| spillway_count =
| spillway_type = Concrete spillways
| spillway_capacity = 1348 cubic meters/s
| res_name = Tilaiya reservoir
| res_capacity_total = 380.71 million cubic meters (13.45 tmcft)
| res_capacity_active = 305.93 million cubic meters (10.8 tmcft)
| res_capacity_inactive=
| res_catchment =
| res_surface = 59.08 square kms
| res_elevation =
| res_max_depth =
| res_max_length =
| res_max_width =
| res_tidal_range =
| plant_operator = [[Damodar Valley Corporation]]
| plant_commission =
| plant_decommission =
| plant_type =
| plant_turbines =
| plant_capacity = 4 MW
| plant_annual_gen =
| website =
| extra =
}}
[[File:TILAIYA DAM.jpg|thumb|Tilaiya Dam]]
[[File:TILAIYA DAMM.jpg|thumb]]
'''Tilaiya Dam''' was the first of the four multi-purpose dams included in the first phase of the [[Damodar Valley Corporation]]. It was constructed across the [[Barakar River]], at [[Tilaiya]] in [[Koderma district]] in the [[India]]n [[States and territories of India|state]] of [[Jharkhand]] and opened in 1953.

==DVC overview==
{{OSM Location map
| width=380| height=450| zoom=10
| coord={{coord|24|33|0|N|85|38|0|E}}| float=left|caption='''Cities, towns and locations in Koderma district in North Chotanagpur Division'''<br/>M: municipality, CT: census town, R: rural/ urban centre, D: dam, P: power plant, T: tourist centre<br/>Owing to space constraints in the small map, the actual locations in a larger map may vary slightly
|mark-coord1={{coord|24|23|28|N|85|28|34|E}} | label-pos1=bottom|label1= Chandwara | numbered1=R| mark-title1=[[Chandwara]] (R)|label-color1=#800000 |label-size1=11| mark-size1=12|shape1=l-circle|shape-color1= #C40000|shape-outline1=white|label-offset-x1=2
|mark-coord2={{coord|24|34|48|N|85|46|18|E}} | label-pos2=left|label2= Dhab| numbered2=R| mark-title2=[[Dhab]] (R)
|mark-coord3={{coord|24|22|33|N|85|38|37|E}} | label-pos3=left|label3= Jainagar| numbered3=R| mark-title3=[[Jainagar, Koderma]] (R)
|mark-coord4={{coord|24|19|38|N|85|50|4|E}} | label-pos4=left|label4= Markacho| numbered4=R| mark-title4=[[Markacho]] (R)
|mark-coord5={{coord|24|24|26|N|85|48|41|E}} | label-pos5=right|label5= Nawadih| numbered5=R| mark-title5=[[Nawadih, Markacho]] (R)
|mark-coord6={{coord|24|25|51|N|85|46|21|E}} | label-pos6=left|label6= Nawalsahi| numbered6=R| mark-title6=[[Nawalsahi]] (R)
|mark-coord7={{coord|24|44|47|N|85|46|10|E}} | label-pos7=right|label7= Satgawan| numbered7=R| mark-title7=[[Satgawan]] (R)
|mark-coord8={{coord|24|19|55|N|85|31|0|E}} | label-pos8=left|label8= Tilaiya| numbered8=R| mark-title8=[[Tilaiya]] (R)
|mark-coord9={{coord|24|21|20|N|85|27|55|E}} | label-pos9=right|label9= Urwan| numbered9=R| mark-title9=[[Urwan]] (R)
|mark-coord10={{coord|24|28|12|N|85|36|0|E}} | label-pos10=bottom|label10=Kodarma| numbered10=M| mark-title10= [[Kodarma]] (M) |label-size10=13 |label-color10=#800000
|mark-coord11={{coord|24|25|44|N|85|32|7|E}} | label-pos11=bottom|label11=Jhumri Telaiya| numbered11=M| mark-title11= [[Jhumri Telaiya]] (M) |label-size11=13 |label-color11=#800000
|mark-coord12={{coord|24|28|23|N|85|41|23|E}}| label-pos12=top|label12=Domchanch| numbered12=CT| mark-title12= [[Domchanch]] (CT) |shape-color12= #A40000
|mark-coord13={{coord|24|25|50|N|85|35|22|E}}| label-pos13=right|label13=Bekobar| numbered13=CT| mark-title13= [[Bekobar]] (CT) |shape-color13= #A40000
|mark-coord14={{coord|24|26|40|N|85|33|9|E}}| label-pos14=left|label14=Karma| numbered14=CT| mark-title14= [[Karma, Koderma]] (CT) |shape-color14= #A40000
|mark-coord15={{coord|24|19|26|N|85|31|40|E}}| label15= Tilaiya|labela15= Dam| label-angle15=0| label-pos15=right| mark-size15=12| numbered15=D|mark-title15 =Tilaiya Dam |shape-color15=black| label-size15=13|label-color15=black 
|mark-coord16={{coord|24|23|28|N|85|33|40|E}} | label-pos16=right|label16= Koderma Thermal Power Station | numbered16=P| mark-title16= [[Koderma Thermal Power Station]] |shape-color16=#967117
|mark-coord17={{coord|24|34|0|N|85|36|0|E}} | label-pos17=bottom|label17=Koderma|labela17=Wildlife|labelb17= Sanctuary| numbered17=T|shape-color17= #74C365| mark-title17= [[Koderma Wildlife Sanctuary]] (T)
|mark-coord18={{coord|24|20|0|N|85|37|0|E}} |label18= Barakar River |label-color18 = #77A1CB| label-angle18= 10| label-pos18=top| label-size18=10| mark-size18=0| mark-title18 =none
|mark-coord19={{coord|24|40|0|N|85|50|0|E}} |label19= Sakri River|label-color19 = #77A1CB| label-angle19= 50| label-pos19=top| label-size19=10| mark-size19=0| mark-title19 =none
|arc-coordA={{coord|24|40|0|N|85|25|0|E}}|arc-textA= BIHAR| arc-text-colorA=hard grey| arc-angleA= -75| arc-gapA=15.0| arc-radiusA=0.35}}
[[File:Damodar Map.jpg|thumb|300px|Damodar Basin]]
The valley of the [[Damodar River]] was flood prone and the devastating flood of 1943, lead to the formation of the high-powered ”Damodar Flood Enquiry Committee” by the government of Bengal. The committee recommended the formation of a body similar to the [[Tennessee Valley Authority]] of the United States. Subsequently, W.L. Voorduin, a senior engineer of TVA, was appointed to study the problem. He suggested the multi-purpose development of the valley as a whole in 1944. [[Damodar Valley Corporation]] was set up in 1948 as “the first multipurpose river valley project of independent India.”<ref>{{cite web| url = https://www.dvc.gov.in/dvcwebsite_new1/overview/ | title= Overview |publisher= DVC| accessdate = 16 November 2021}}</ref>

The first dam was built across the Barakar River at Tilaiya and inaugurated in 1953. The second dam, [[Konar Dam]], across the [[Konar River]] was inaugurated in 1955. The third dam across the [[Barakar River]] at [[Maithon]] was inaugurated in 1957. The fourth dam across the Damodar at [[Panchet]] was inaugurated in 1959.<ref name=dvc1>{{cite web |url =http://www.dvc.gov.in/activitiesdamsbarrages.htm |title =Damodar Valley Corporation |work =Dams and Barrages |publisher =DVC |access-date = 6 June 2010 |url-status =dead |archive-url =https://web.archive.org/web/20100429025712/http://www.dvc.gov.in/activitiesdamsbarrages.htm |archive-date =29 April 2010}}</ref>

DVC was formed with the central government and the governments of Bihar (later Jharkhand) and West Bengal participating in it. The main aims of the corporation were flood control, irrigation, generation and transmission of electricity, and year-round navigation. The corporation was also expected to provide indirect support for the over-all development of the region. However, while Voorduin had proposed the construction of eight dams, DVC built only four.<ref name="project">Planning in India by Mahesh Chand, Vinay Kumar Puri, pages 422-423, Allied Publishers Private Ltd. {{ISBN|81-7023-058-6}}</ref>

==The dam==
Tilaiya Dam was built across the [[Barakar River]], a tributary of the Damodar River, about {{convert|130|mi}} above the point of confluence.<ref name="project"/> It is only {{convert|64.4|km}} from its source. At the point where the dam has been built, the river passes through a narrow [[gorge]], with hills rising steeply on both the sides. It is a concrete [[gravity dam]] with a maximum height of {{convert|30.2|m}}, while the hills on both the sides rise to a height of about {{convert|45.7|m}}. The [[spillway]] has 14 [[crest gate]]s. There are 2 modified [[sluice gates]] at a lower level for release of water during the dry season. The reservoir is spread over an area of {{convert|5921|ha}}.<ref>Hydrology and Water Resources of India by Sharad K. Jain, Pushpendra K. Agarwal and Vijay P.Singh, page 394: Tilaiya Reservoir, Springer</ref>

[[File:Jawaharlal Nehru at the site of Tilaiya Dam, Damodar Valley, 23 April 1950.jpg|thumb|400 px|left|Jawaharlal Nehru at the site of Tilaya Dam in 1950]]
Tilaiya Dam was inaugurated on 21 February 1953. It has a power generation capacity of 2 x 2 MW.<ref name="dvc1"/>

The main ([[Patna]]-[[Ranchi]]) road from [[Barhi, Hazaribagh|Barhi]] on [[Grand Trunk Road]] passing through hills overlooking the reservoir is picturesque.<ref>{{cite web |title=Tilaiya Dam |url=https://koderma.nic.in/koderma/tourism.jsp |access-date=2010-06-10 |publisher=Koderma district administration}}</ref>

==Postal stamp==
The [[Indian Postal Service]] issued a set of four stamps for the Five-Year Plan series on 26 January 1955, that included one stamp of one [[Anna (monetary subunit)|anna]] value depicting Tilaiya Dam. Shortly after opening the Tilaiya dam, pictured on the one-anna stamp, [[Jawaharlal Nehru|Nehru]] commented in a letter to the chief ministers that "the sight of those works filled me, as it did others who were present, with a sense of great achievement."<ref>{{cite news |last=Wyatt |first=Andrew |date=2005-10-30 |title=Do our stamps evoke nationalism? |url=https://www.hindu.com/mag/2005/10/30/stories/2005103000100100.htm |url-status=dead |archive-url=https://web.archive.org/web/20051102073839/http://www.hindu.com/mag/2005/10/30/stories/2005103000100100.htm |archive-date=2 November 2005 |access-date=10 June 2010 |work=[[The Hindu]] |location=Chennai, India}}</ref>

==References==
{{Reflist}}

{{Hydrography of Jharkhand}}
{{Damodar Valley}}
{{Power Plants of Jharkhand}}
{{North Chotanagpur Division topics}}

[[Category:Dams in Jharkhand]]
[[Category:Koderma district]]
[[Category:1953 establishments in Bihar]]
[[Category:Dams completed in 1953]]
[[Category:20th-century architecture in India]]

Tilaiya Dam - Revision history

Ahad Sabri: adding page