The Wazirabad barrage or Wazirabad bridge,I. Mohan, 1992
Environment and Urban Development: A Critical Evaluation of Slums
built in 1959 is a 1,491 ft long

weir A weir or low-head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the water level. Weirs are also used to control the flow of water for outlets of l ...

across

Yamuna River The Yamuna (; ) is the second-largest tributary river of the Ganges by discharge and the longest tributary in List of major rivers of India, India. Originating from the Yamunotri Glacier at a height of about on the southwestern slopes of B ...

, in north

Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, but spread chiefly to the west, or beyond its Bank (geography ...

.2000
Workshop, Role of Gates and their Control in Water Resources
Central Board of Irrigation and Power India.1959
Civic Affairs
Volume 7, Issues 1-6, Page 51.

ITO barrage Ito, Itō or Itoh may refer to: Places * Ito Island, an island of Milne Bay Province, Papua New Guinea * Ito Airport, an airport in the Democratic Republic of the Congo * Ito District, Wakayama, a district located in Wakayama Prefecture, Japa ...

and

Okhla barrage The Okhla barrage (Okhla Weir and Okhla bridge)I. Mohan, 1992Environment and Urban Development: A Critical Evaluation of Slums is a 791 meters or roughly 800-yard long weir across Yamuna River opened in 1874. It also serves as the location of ...

are 2 downstream barrages in Delhi and are managed by

Haryana Haryana () is a States and union territories of India, state located in the northern part of India. It was carved out after the linguistic reorganisation of Punjab, India, Punjab on 1 November 1966. It is ranked 21st in terms of area, with les ...

and UP respectively,Okhla barrage to be shut at night for 45 days.

Times of India ''The Times of India'' (''TOI'') is an Indian English-language daily newspaper and digital news media owned and managed by the Times Group. It is the List of newspapers in India by circulation, third-largest newspaper in India by circulation an ...

, 20 Sept 2017.Joginder Singh, 2010
India, Democracy and Disappointments
Page 504.Sharad K. Jain, Pushpendra K. Agarwal, Vijay P. Singh, 2007
Hydrology and Water Resources of India
Page 348.1967
Annual Research Memoirs
- Central Water and Power Research Station (India)]Too many cooks spoil the broth

The Hindu ''The Hindu'' is an Indian English-language daily newspaper owned by The Hindu Group, headquartered in Chennai, Tamil Nadu. It was founded as a weekly publication in 1878 by the Triplicane Six, becoming a daily in 1889. It is one of the India ...

, 29 March 2016. whereas the Wazirabad barrage is under the management of Delhi govt.

History

It was built in 1959 to supply drinking water to the city of Delhi.

Technical details

It is a 1,491 ft long barrage with 6 under-sluices of 60 ft each on the right side and a 17 bays spillway of 58 ft each. The top of the spillway is 4 ft. higher than the under-sluices. There is a concrete floor flexible apron, both upstream and down-stream.

Proposal for New Wazirabad barrage

A March 2013 proposal for Delhi envisages building a "New Wazirabad barrage" 8 km north of the current barrage, that will utilize the existing eastern and western boundary margins of the current barrage, will serve as the bridge over the Yamuna and flanks will serve as road expressways.Regional plan
/ref>

Navigation restoration

This barrage on Yaumna is part of National Waterway NW110, one of India's 111 National Waterways. The barrage lies on the Delhi-Faridabad Yaumna waterway, from Wazirabad barrage in north Delhi to

Palla barrage The Palla barrage is a barrage located in Palla on the Yamuna-Faridabad canal in Faridabad district of Haryana state in India. This irrigation canal runs to the west of Yaumna through Fridabad, Palwal, Mathura and Agra districts where it term ...

in north

Faridabad Faridabad () is the most populous List of cities in Haryana by population, city near NCT of Delhi in the Indian state of Haryana and a part of National Capital Region (India), Delhi National Capital Region. It is one of the major satellite citie ...

via

and Okhla barrage.Yamuna water link may get govt nod

, 6 April 2016.

Bird Sanctuary

The

Najafgarh drain bird sanctuary Najafgarh drain bird sanctuary and wetland ecosystem is composed of the wetland ecosystem and wildlife habitat on several kilometres of the Najafgarh drain (Delhi end of Sahibi River before it falls into Yamuna) which passes through southwest ...

lies in the vicinity. The 51 km-long

Najafgarh drain The Najafgarh drain or Najafgarh nalah, which also acts as Najafgarh drain bird sanctuary, is another name for the northernmost end of River Sahibi, which continues its flow through Delhi, where it is channelized, and then flows into the ...

(named after

Mirza Najaf Khan Mīrzā Najaf Khān Bahādur, simply known as Mirza Najaf Khan (1723 – 26 April 1782) was an adventurer of Safavid lineage who came to Delhi around 1740 from Iran after Nader Shah had displaced the Safavid dynasty in 1736. He became a courtier ...

1723–82) starts at Dhansa and joins the Yamuna river just downstream of Wazirabad barrage. Sanctuary has helped in the improvement in water quality, restoration of

groundwater recharge Groundwater recharge or deep drainage or deep percolation is a hydrologic process, where water moves downward from surface water to groundwater. Recharge is the primary method through which water enters an aquifer. This process usually occurs in ...

and in providing wetland for the migratory

birds Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...

.Don't cloud the issue – USHA RAI looks at some success stories in rainwater harvesting that should convince those of us who are still sceptical
22 December 2002, ''The Hindu''Proposal for Ground Water Recharge in National Capital Region (NCR) Dr S.K. Sharma Ground Water Expert
/ref>Groundwater to be recharged at Najafgarh, Mungeshwar drains
, 10 March 2007, The Indian Express

Concerns

Yamuna, from its origin at

Yamunotri Yamunotri, also Jamnotri, is the source of the Yamuna River and the seat of the Goddess Yamuna in Hinduism. It is situated at an altitude of in the Garhwal Himalayas and located approximately North of Uttarkashi, the headquarters of the Utta ...

Himalayas The Himalayas, or Himalaya ( ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the Earth's highest peaks, including the highest, Mount Everest. More than list of h ...

to Wazirabad barrage, travels by carrying "reasonably good quality" water. Between Wazirabad and Okhla barrage, 15 drains discharge sewage rendering the water quality after Wazirabad barrage severely polluted with

biochemical oxygen demand Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed by aerobic bacteria growing on the organic material present in a water sample at a s ...

(BOD) values ranging from 14 to 28 mg/L and high

coliform Coliform bacteria are defined as either motile or non-motile Gram-negative non- spore forming bacilli that possess β-galactosidase to produce acids and gases under their optimal growth temperature of 35–37 °C. They can be aerobes or f ...

content. Causes of pollution are municipal disposal sites, run-off from the commercial and industrial sites, soil erosion resulting from deforestation occurring to make way for agriculture along with resulting chemical wash-off from petrochemical fertilizers,

herbicide Herbicides (, ), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds.EPA. February 201Pesticides Industry. Sales and Usage 2006 and 2007: Market Estimates. Summary in press releasMain page f ...

s, and

pesticide Pesticides are substances that are used to control pests. They include herbicides, insecticides, nematicides, fungicides, and many others (see table). The most common of these are herbicides, which account for approximately 50% of all p ...

s.2015
INDIA 2015
New Media Wing.

References

{{reflist Bridges in Delhi Dams on the Yamuna River Bird sanctuaries of Delhi Tourist attractions in Delhi Lakes of Delhi Barrages in India Wetlands of India