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{{Use dmy dates|date=August 2019}}
{{Use Indian English|date=August 2019}}
{{Infobox dam
| name = Thenmala Dam
| name_official = Kallada dam
| image = Thenmala dam.jpg
| image_size =
| image_caption = Thenmala Dam
| image_alt =
| location_map = India#India Kerala#India Tamil Nadu
| location_map_size =
| location_map_caption =
| coordinates = {{coord|8|57|14|N|77|4|11|E|type:landmark|display=inline,title}}
| country = [[India]]
| location = [[Thenmala]], [[Kollam District|Kollam]], [[Kerala]]
| purpose = Irrigation
| status = O
| construction_began =
| opening = 1986
| demolished =
| cost =
| owner =
| dam_type =
| dam_height = 85.35m
| dam_height_thalweg =
| dam_height_foundation=
| dam_length = 335m
| dam_width_crest =
| dam_width_base =
| dam_volume =
| dam_elevation_crest =
| dam_crosses =
| spillway_count = 3
| spillway_type = Ogee with radial gate auxiliiary- Labyrinth
| spillway_capacity =
| res_name =
| res_capacity_total = {{Convert|524000000|m3|acre.ft|0|abbr=on}}<br />'''Maximum Water Level'''<br />{{convert|115.82|m|ft|disp=comma}}
| res_capacity_active = {{Convert|507000000|m3|acre.ft|0|abbr=on}}
| res_capacity_inactive=
| res_catchment = {{Convert|549|km2|mi2|0|abbr=on}}
| res_surface = {{Convert|23|km2|mi2|0|abbr=on}}
| res_elevation =
| res_max_depth =
| res_max_length =
| res_max_width =
| res_tidal_range =
| plant_operator =
| plant_commission =
| plant_decommission =
| plant_type =
| plant_turbines =
| plant_capacity =
| plant_annual_gen =
| website =
| extra =
}}

The '''Thenmala dam''' is the second largest irrigation project in [[Kerala]], [[India]]. It impounds the longest reservoir in the state and water from the reservoir is also used for power generation.

The dam was started in 1961 under the Kallada Irrigation and Tree Crop development project with an original cost of Rs. 13.28 [[crores]]. The revised estimate of Rs. 728 crores at the 1999 schedule of rates made the cost escalation to be reported at 5,356 per cent. The ayacut<ref>ayacut: The area served by an irrigation project such as a canal, dam or a tank.</ref> targeted was 61630 hectares (net) and 92800 hectares (gross).<ref>{{cite web|url=http://www.irrigation.kerala.gov.in/pjt_&_pgm/Kallada.php|title=Kerala Irrigation Department|access-date=19 September 2014}}</ref> Though the project was targeted for completion, and priority in allocation was given during Ninth Plan, it could not be completed and commissioned fully.<ref>{{cite web|url=http://kollam.nic.in/reso.html|title=www.kollam.nic.in|access-date=19 September 2014}}</ref>

It is now a centre of attraction at [[Thenmala]] and an [[ecotourism]] destination, with boating available on the reservoir, which is bordered on both sides by the [[Shendurney Wildlife Sanctuary]].<ref>{{cite web|url=https://www.keralatourism.org/destination/thenmala-eco-tourism/41|title=Thenmala - India's first planned Eco-Tourism, Kollam - Kerala Tourism|access-date=20 September 2014}}</ref> This place has facilities like winding pathways, sway bridge, amphitheatre and a musical fountain. Visitors can also visit the traditional tree houses of the tribal in this area. There are also boating facilities in the reservoir. There is a rope bridge along with many trekking, mountaineering and biking opportunities.<ref>tripuntold - [https://www.tripuntold.com/kerala/kollam/thenmala-dam/ "Thenmala Dam"], Retrieved on 09 July 2020.</ref>

==See also==
[[File:Reservoir of Thenmala Dam, Kollam.jpg|thumb|right|Reservoir of Thenmala Dam]]
* [[List of dams and reservoirs in India]]

==References==

{{Reflist}}

== External links ==
{{commons category|Thenmala Dam}}
* [http://thenmala.info Thenmala.info]
* [https://www.youtube.com/watch?v=pYt3cseJYNE&list=RDCMUCAK0P7b-eQ7u5waz93Ld_Ww&index=22 Thenmala HEP Short film by KSEB]

{{Tourism in Kerala}}
{{Dams in Kerala}}

[[Category:Dams in Kerala]]
[[Category:Tourist attractions in Kollam district]]
[[Category:Dams completed in 1986]]
[[Category:1986 establishments in Kerala]]

Thenmala Dam - Revision history

imported>StarryNightSky11: Reverted 1 edit by 117.216.17.6 (talk)