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Himayat Sagar

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Himayat Sagar is an artificial lake about 20 kilometres (12 mi) from Hyderabad in the Ranga Reddy district of Telangana, India. It lies parallel to a larger artificial lake called Osman Sagar. The storage capacity of the reservoir is 84,016 cubic metres.[1]

Himayat Sagar
View of Himayat Sagar
Himayat Sagar is located in Hyderabad
Himayat Sagar
Himayat Sagar
Himayat Sagar within Hyderabad
Himayat Sagar is located in India
Himayat Sagar
Himayat Sagar
Himayat Sagar (India)
Official nameHimayat Sagar
CountryIndia
LocationRanga Reddy, Telangana, India
Coordinates17°18′N 78°21′E / 17.300°N 78.350°E / 17.300; 78.350
PurposeMulti-purpose
StatusOperational
Construction began1920
Opening date1927; 99 years ago (1927)
Construction cost₹ 93 Lakh (As on 1920's)
OwnerGovernment of Telangana
OperatorHyderabad Metropolitan Water Supply and Sewerage Board
Dam and spillways
Type of damBarrage
ImpoundsEsi River – a tributary of Musi
Height (foundation)33.832 metres (111.00 ft)
Height (thalweg)4.572 metres (15.00 ft)
Length2.255 kilometres (1.401 mi)
Elevation at crest537.514 metres (1,763.50 ft)
Spillways17 Gates
Spillway capacity1,60,000 cusecs
Reservoir
CreatesHimayat Sagar
Total capacity84,016 cubic metres (Reduced capacity due to silt accumulation); 120,374.915 cubic metres (During 1927)
Catchment area688.937 km2 (266.000 sq mi)
Surface area19.6839 km2 (7.6000 sq mi)

History

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The construction of reservoirs on the Esi, a tributary of the Musi River, was completed in 1927, with the intention of providing a drinking water source for Hyderabad and protecting the city from floods, which Hyderabad suffered in 1908. It was built during the reign of the last Nizam of Hyderabad, Nizam VII and is named after his eldest son Himayat Ali Khan.[2]

The Himayat Sagar dam and Osman Sagar reservoirs provided continuous water supply to the twin cities of Hyderabad and Secunderabad until recently. Due to population growth, they are not sufficient to meet the cities' water supply-demand.

The engineer at the time of construction was late Khaja Mohiuddin, son of Mohammed Hussein, Madri.[citation needed]

Himayat Sagar Lake

In 2022, the descendant of the royal family of the Nizam, Himayat Ali Mirza, joined the movement to save Osman Sagar and Himayat Sagar" as he believes that these reservoirs are iconic landmarks of Hyderabad and still act as a lifeline for lakhs of people of the old city. He also urged the then-CM of Telangana to withdraw the repeal of GO 111.[3][4][5]

If GO 111 is repealed, Himayat feared that many parts of the city might be affected by floods even with small summer rains. Also, it would increase the illegal construction activities near the lake, ultimately increasing the threat of flooding.[6][7] In December 2023, the current Chief Minister A.Revanth Reddy decided to keep on hold the repeal of GO 111.[8]

Parks and conservation areas

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The area surrounding the Himayat Sagar reservoir forms a critical ecological buffer zone for Hyderabad, featuring several protected green spaces, parks, and wildlife areas that mitigate the impacts of rapid urban expansion.[9] These recreational and ecological sites serve both as public amenities and as urban biodiversity hotspots:[10]

  • Kothwalguda Eco Park: Developed by the Hyderabad Metropolitan Development Authority (HMDA) adjacent to the reservoir, this 85-acre (34 ha) eco-tourism facility features a 1.5-kilometre (0.93 mi) elevated wooden boardwalk—the longest in India—that overlooks the landscape and provides panoramic views of Himayat Sagar. Its primary ecological attraction is the Deccan Birds Aviary—a 6-acre dome-shaped, walk-through enclosure that houses over 6,500 exotic birds is the largest aviary in the world. The park also features a variety of themed botanical spaces, including a Japanese garden, a rock garden, and a butterfly zone.[11][12]
  • Mrugavani National Park: Situated in close proximity to the Himayat Sagar reservoir near Chilkur, this national park spans an area of approximately 1,211 acres (4.90 km²). It serves as a prominent wildlife refuge and conservation zone, and is home to a wide variety of native Deccan flora and fauna, including chital (spotted deer), sambar deer, and numerous species of resident and migratory birds.[13]
  • Himayat Sagar Mini Zoo / Deer Park: Located along the peripheral boundary of the lake, this mini-zoo and deer park functions as a specialized conservation enclosure aimed at maintaining native deer populations and raising environmental awareness among visitors.[13]
  • Ecotourism and Local Reserves: The peripheral wetland habitats and small streams feeding into Himayat Sagar support native fish populations like Channa harcourtbutleri and various aquatic insect groups.[14][15] The surrounding green cover acts as a necessary eco-barrier to control pollution run-offs into the city's drinking water source.[9]

References

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  1. ↑ "Hyderabadis can bid goodbye to water woes". The Hindu. 10 October 2016. Retrieved 11 October 2016.
  2. ↑ "History of Osman Sagar and Himayat Sagar Lakes of Hyderabad – Hyderabad Tourism". 14 September 2014. Archived from the original on 12 February 2019. Retrieved 9 December 2018.
  3. ↑ Syed Akbar (28 March 2022). "nizam: Nizam's Kin Joinsfight To Save Lakes | Hyderabad News – Times of India". The Times of India. Retrieved 5 April 2022.
  4. ↑ "Nizam's Kin Joins fight To Save Lakes". The Times of truth. 28 March 2022.[dead link]
  5. ↑ "Nizam's relatives have joined the struggle to save Hyderabad's lakes". thetimesbureau.com. Retrieved 17 June 2022.
  6. ↑ Syed, Akbar (9 May 2022). "Old city: 'repeal Of Go 111 To Spell Old City's Flood Threat'". The Times of India. Retrieved 15 June 2022.
  7. ↑ "Explained: What is GO 111, the order to protect Hyderabad's Osman Sagar and Himayat Sagar, that has now been lifted". The Indian Express. 23 April 2022. Retrieved 17 June 2022.
  8. ↑ "GO 111 Repeal Put on Hold by Revanth".
  9. 1 2 Das, Diganta; Skelton, Tracey (2019). "Hydrating Hyderabad: Rapid urbanisation, water scarcity and the difficulties and possibilities of human flourishing". Urban Studies. 57 (7): 1553–1569. doi:10.1177/0042098019838481.
  10. ↑ Chan, Lena (2024). "Cities in nature". Philosophical Transactions of the Royal Society B: Biological Sciences. 379 (1893). doi:10.1098/rstb.2022.0322.
  11. ↑ Singh, S. Bachan Jeet (1 January 2025). "Kothwalguda eco park to be inaugurated soon in Hyderabad". The New Indian Express.
  12. ↑ "Hyderabad Gets a Massive Eco Park With 6,500 Birds, Boardwalk Trails And Recreational Zones". ETV Bharat. 11 March 2026.
  13. 1 2 Walker, S. "Central Zoo Authority -- list of rec zoos". Zoos' Print. p. 2.
  14. ↑ Laskar, Boni Amin; Adimalla, Harikumar; Kundu, Shantanu; Jaiswal, Deepa; Chandra, Kailash (2023). "Genetic evidence on the occurrence of Channa harcourtbutleri (Annandale, 1918) in Eastern Ghats, India: first report from mainland India". Journal of Threatened Taxa. 15 (3): 22834–22840. doi:10.11609/jott.6894.15.3.22834-22840.
  15. ↑ "A Field survey conducted at Himayat Sagar and Miralam Tank" (PDF). ZSI e-News. 1 (2): 4. 2009.
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