Amaravathi Dam
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The Amaravathi Dam is a
dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...
constructed across the
Amaravathi River The Amaravati River is the longest tributary of the Kaveri River in the fertile districts of Udumalpet, Dharapuram and Karur Tamil Nadu state, South India. Course The long Amaravati River begins at the Kerala/Tamil Nadu border at the bottom ...
. It is located at
Amaravathinagar Amaravathinagar is a small town in the foothills of Annamalai Hills in Tirupur district, Tamil Nadu, India; 17 km south on SH 17 from Udumalpet and around 80 km south of Downtown Coimbatore city. The three major employers in this ...
, south of
Udumalpet Udumalaipettai also known as Udumalai, is a town in Tiruppur district in the States and union territories of India, Indian state of Tamil Nadu. It is located 535 km (332 mi) south west from the state capital, Chennai and 72 km (45 ...
on SH 17 in the Indira Gandhi Wildlife Sanctuary,
Tirupur district Tiruppur District is one of the 38 districts of the Indian state of Tamil Nadu, formed in 22 February 2009. Dharapuram was the largest taluk by area in the district. The district is well-developed and industrialized. The Tiruppur banian indus ...
in the Indian state of
Tamil Nadu Tamil Nadu (; , TN) is the southernmost States and union territories of India, state of India. The List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of Indi ...
. The associated
Amaravathi Reservoir The Amaravathi Dam is a dam constructed across the Amaravathi River. It is located at Amaravathinagar, south of Udumalpet on SH 17 in the Indira Gandhi Wildlife Sanctuary, Tirupur district in the Indian state of Tamil Nadu. The associated ...
is in area and deep. The dam was built primarily for
irrigation Irrigation (also referred to as watering of plants) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has bee ...
and
flood control Flood management or flood control are methods used to reduce or prevent the detrimental effects of flood waters. Flooding can be caused by a mix of both natural processes, such as extreme weather upstream, and human changes to waterbodies and ru ...
and now also has four megawatts of electrical generating capacity installed. It is notable for the significant population of
mugger crocodile The mugger crocodile (''Crocodylus palustris'') is a medium-sized broad-snouted crocodile, also known as mugger and marsh crocodile. It is native to freshwater habitats from south-eastern Iran to the Indian subcontinent, where it inhabits marsh ...
s living in its reservoir and
catchment basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, th ...
.


History

The dam was built across the
Amaravati River The Amaravati River is the longest tributary of the Kaveri River in the fertile districts of Udumalpet, Dharapuram and Karur Tamil Nadu state, South India. Course The long Amaravati River begins at the Kerala/Tamil Nadu border at the bottom ...
in 1957, during
K Kamaraj Kumaraswami Kamaraj (15 July 1903 – 2 October 1975), popularly known as Kamarajar was an Indian independence activist and politician who served as the Chief Minister of Madras from 13 April 1954 to 2 October 1963. He also served as the pr ...
's administration, about 25 km upstream and south of the Thirumoorthy Dam.


Tourism

There is a well laid-out park where one may climb steep steps on the dam to have a picturesque view north of the plains below and south to the
Anaimalai Hills The Anamala or Anaimalai, also known as the Elephant Mountains, are a range of mountains in the southern Western Ghats of central Kerala ( Idukki district, Ernakulam district, Palakkad district, Thrissur district) and span the border of wester ...
and
Palni Hills The Palani Hills are a mountain range in the southern Indian states of Tamil Nadu and Kerala. The Palani Hills are an eastward extension of the Western Ghats ranges, which run parallel to the west coast of India. The Palani Hills adjoin with ...
above. Boating for tourists in the dam began on 14 January 2011.


Amaravathi Reservoir

Amaravathi Reservoir at
Amaravathinagar Amaravathinagar is a small town in the foothills of Annamalai Hills in Tirupur district, Tamil Nadu, India; 17 km south on SH 17 from Udumalpet and around 80 km south of Downtown Coimbatore city. The three major employers in this ...
, south on SH 17 from
Udumalpet Udumalaipettai also known as Udumalai, is a town in Tiruppur district in the States and union territories of India, Indian state of Tamil Nadu. It is located 535 km (332 mi) south west from the state capital, Chennai and 72 km (45 ...
, is located in
Indira Gandhi Wildlife Sanctuary and National Park Anaimalai Tiger Reserve, earlier known as Indira Gandhi Wildlife Sanctuary and National Park and as Anaimalai Wildlife Sanctuary, is a Protected areas of India, protected area in the Anaimalai Hills of Pollachi and Valparai taluks of Coimbatore ...
in
Tiruppur district Tiruppur District is one of the 38 districts of the Indian States and territories of India, state of Tamil Nadu, formed in 22 February 2009. Dharapuram was the largest taluk by area in the district. The district is well-developed and industria ...
,
Tamil Nadu Tamil Nadu (; , TN) is the southernmost States and union territories of India, state of India. The List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of Indi ...
,
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
. The
reservoir A reservoir (; ) is an enlarged lake behind a dam, usually built to water storage, store fresh water, often doubling for hydroelectric power generation. Reservoirs are created by controlling a watercourse that drains an existing body of wa ...
was created by the steep Amaravathi Dam built across the
Amaravathi River The Amaravati River is the longest tributary of the Kaveri River in the fertile districts of Udumalpet, Dharapuram and Karur Tamil Nadu state, South India. Course The long Amaravati River begins at the Kerala/Tamil Nadu border at the bottom ...
.


History of the Amaravathi reservoir

The dam was built in 1957 across the Amaravathi River about upstream and south from Thirumoorthy Dam. Capacity of the dam has shrunk 25% from 4
tmcft Tmcft, (Tmc ft), (TMC), (tmc) is the abbreviation of thousand million cubic feet (1,000,000,000 = 109 = 1 billion), commonly used in India in reference to volume of water in a reservoir or river A river is a natural stream of fresh wa ...
to 3 tmcft due to
siltation Siltation is water pollution caused by particulate terrestrial clastic material, with a particle size dominated by silt or clay. It refers both to the increased concentration of suspended sediments and to the increased accumulation (temporary o ...
. The dam was built primarily for irrigation and flood control. In 2005 - 2006 the state reported revenue from medium commercial irrigation from the Amaravathi Reservoir Project was Rs. 43,51,000. During 2003–04, the Tamil Nadu Electricity Board proposed to increase the dams utility by installing 4 MW capacity hydro-electric
power station A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the electricity generation, generation of electric power. Power stations are generally connected to an electr ...
,Tamil Nadu State Planning Commission, Annual Plan, Chapter 11 Infrastructure Development & Tourism, 200

/ref> which is now operating.


Fisheries

The non-indigenous Oreochromis mossambicus, tilapia fish was introduced here in the 1950s and subsequently this reservoir had highest fish yield in the state by the 1970s. Tilapia now accounts for a major portion of the catch in the reservoir.
Cast net A casting net, also called a throw net, is a net used for fishing. It is a circular net with small weights distributed around its edge. The net is cast or thrown by hand in such a manner that it spreads out while it's in the air before it sin ...
s are commonly used for subsistence fishing. Normally, an individual fisherman can catch more than 20 kg/day of fish in the reservoir. The Fisheries department normally expects a yield of 110
tonne The tonne ( or ; symbol: t) is a unit of mass equal to 1,000  kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the s ...
s/year of fish from the reservoir. In 1972, a fish yield of 168 kg/ha/yr (168 kg/yr x 931 ha = 156,408 kg/yr. = 156.408 tonnes/yr.) was reported. The Fisheries Department has formed the Amaravathi Nagar Tribal Fishermen Cooperative Society to give tribals fishing rights in the Amaravathi Reservoir. In 2007, fifty tribals who reside at Karattupathi settlement, close to the reservoir, enrolled themselves as members of the society and eight of them have received a fishing licence.


Crocodiles

The largest wild breeding population of crocodiles in South India live in the reservoir, and in the Chinnar, Thennar and Pambar rivers that drain into it. These broad-snouted
mugger crocodile The mugger crocodile (''Crocodylus palustris'') is a medium-sized broad-snouted crocodile, also known as mugger and marsh crocodile. It is native to freshwater habitats from south-eastern Iran to the Indian subcontinent, where it inhabits marsh ...
s, also known as marsh crocodiles and Persian crocodiles, are the most common and widespread of the three species of crocodiles found in India. They eat fish, other reptiles, small and large mammals and are sometimes dangerous to humans. Their total wild population here is currently estimated to be 60 adults and 37 sub-adults. Other fish predators here include:
Oriental small-clawed otter The Asian small-clawed otter (''Aonyx cinereus''), also called oriental small-clawed otter and small-clawed otter, is an otter species native to South and Southeast Asia. It has short claws that do not extend beyond the pads of its webbed digits ...
s,
Indian cormorant The Indian cormorant or Indian shag (''Phalacrocorax fuscicollis'') is a member of the cormorant family. It is found mainly along the inland waters of the Indian Subcontinent but extends west to Sind and east to Thailand and Cambodia. It is a gre ...
s and Indian flap-shelled turtles. The Amaravathi Sagar Crocodile Farm, established in 1976, the largest crocodile nursery in India, is 1 kilometre before the Amaravathy dam site. Many adult crocodiles have been reintroduced from here into the wild. Eggs are collected from wild nests along the perimeter of the reservoir to be hatched and reared at the farm. Many crocodiles of all sizes can be seen basking in the sun and suddenly making a stride or piled up on one another. There are now 98 crocodiles (25 male + 73 female) maintained in captivity here. Three Forest Department personnel manage and maintain the centre.,


Visitor information

There is a well laid-out park where one may climb steep steps on the dam to have a picturesque view north of the plains below and south to the
Anaimalai Hills The Anamala or Anaimalai, also known as the Elephant Mountains, are a range of mountains in the southern Western Ghats of central Kerala ( Idukki district, Ernakulam district, Palakkad district, Thrissur district) and span the border of wester ...
and
Palni Hills The Palani Hills are a mountain range in the southern Indian states of Tamil Nadu and Kerala. The Palani Hills are an eastward extension of the Western Ghats ranges, which run parallel to the west coast of India. The Palani Hills adjoin with ...
above. This place is being developed as a District Excursion Centre for tourism.Around Pollachi- Anamalai Wildlife Sanctuary
/ref> The park and crocodile farm are open every day from 9:00 a.m. to 6:00 p.m. Travel by road From Coimbatore – via Pollachi and
Udumalpet Udumalaipettai also known as Udumalai, is a town in Tiruppur district in the States and union territories of India, Indian state of Tamil Nadu. It is located 535 km (332 mi) south west from the state capital, Chennai and 72 km (45 ...
to Amaravathynagar is . Accommodation is available for four persons, with advance reservation, at a forest rest house near the crocodile farm. Rent is Rs.150 per day for two persons per suite.


Gallery

File:Amaravathi Reservoir & Dam.jpg, Amaravathi Reservoir & Dam File:Amaravathi Crocodile sign.jpg, Sign at Amaravathi Crocodile Rearing Center File:Fish Hatchery below Amaravathi Dam.jpg, Fish Hatchery below Amaravathi Dam


References


External links


South West View from Dam
of
Anamalai Hills The Anamala or Anaimalai, also known as the Elephant Mountains, are a range of mountains in the southern Western Ghats of central Kerala (Idukki district, Ernakulam district, Palakkad district, Thrissur district) and span the border of wester ...
,
Photo of Spillway

5:53 Video at the Damamaravathi dam in tamil
{{Hydrology of Tamil Nadu IUCN Category II Buildings and structures in Coimbatore district Reservoirs in Tamil Nadu Tiruppur district Geography of Coimbatore Dams on the Kaveri River Dams in Tamil Nadu Hydroelectric power stations in Tamil Nadu Dams completed in 1957 1957 establishments in Madras State 20th-century architecture in India