Haryana, Rajasthan sign pact to implement Yamuna water project

Haryana and Rajasthan signed a Memorandum of Understanding (MoU) on June 29, 2026, to implement the 1994 Upper Yamuna River Board (UYRB) water-sharing accord...

What Happened

Haryana and Rajasthan signed a Memorandum of Understanding (MoU) on June 29, 2026, to implement the 1994 Upper Yamuna River Board (UYRB) water-sharing accord — an agreement that had remained partially unimplemented for over three decades.
The MoU was signed in the presence of the Union Home Ministry, which facilitated the agreement.
Under the agreement, Rajasthan will draw water from Hathinikund Barrage in Yamuna Nagar district, Haryana, primarily during monsoon months, via an underground pipeline.
Rajasthan's allocated share under the 1994 agreement is 1.119 BCM (billion cubic metres), equivalent to 1,917 cusecs of water.
The pipeline infrastructure aims to address critical drinking water shortages in several water-stressed districts of Rajasthan.

Static Topic Bridges

On May 12, 1994, a Memorandum of Understanding was signed by the Yamuna basin states — Uttar Pradesh, Haryana, Rajasthan, Himachal Pradesh, and the National Capital Territory of Delhi — for the allocation of the surface flow of the Yamuna river. After the creation of Uttarakhand in 2000, it was included in the agreement as well. This MoU forms the foundational legal instrument for water sharing in the upper Yamuna basin.

Key Allocation Details (1994 MoU): - Haryana: 5.730 BCM - Uttar Pradesh: 4.032 BCM - Rajasthan: 1.119 BCM - Delhi: 0.724 BCM - Himachal Pradesh: 0.378 BCM

Connection to this news: The 2026 MoU is an implementation agreement for Rajasthan's 1.119 BCM share — not a new allocation, but the operationalisation of a commitment made in 1994 that Rajasthan had not been able to draw upon.

Upper Yamuna River Board (UYRB) — Composition and Powers

The Upper Yamuna River Board (UYRB) is a statutory body established under the River Boards Act, 1956 and operates as a subordinate office of the Union Ministry of Jal Shakti (Department of Water Resources, River Development and Ganga Rejuvenation). Its mandate derives from the 1994 MoU.

Composition: - Part-time Chairman: a Member of the Central Water Commission. - One nominee each from: Uttar Pradesh, Uttarakhand, Haryana, Rajasthan, Himachal Pradesh, and NCT Delhi. - Full-time Member-Secretary (not from any beneficiary state).

Key Functions: - Regulate the allocation of available water flows among beneficiary states. - Monitor return flows and groundwater quality. - Maintain hydro-meteorological data for the basin. - Oversee watershed management plans. - Monitor and review all water projects up to and including Okhla Barrage. - Frame rules for water accounting and determine per-state shares for every 10-day period. - Take over operation of any water structure where a dispute arises until the dispute is resolved.

The UYRB operates as a regulatory and monitoring body — it does not construct infrastructure but regulates flows at existing barrages and canals.
The Hathinikund Barrage (Yamuna Nagar, Haryana) is the primary diversion structure on the upper Yamuna from which water is routed into the Western and Eastern Yamuna Canals.

Connection to this news: The 2026 implementation MoU activates the Hathinikund Barrage diversion mechanism specifically for Rajasthan's UYRB allocation — the UYRB will regulate and monitor the flows once the pipeline infrastructure is operational.

Inter-State Water Disputes — Constitutional and Statutory Framework

Article 262 of the Constitution empowers Parliament to provide for the adjudication of disputes relating to waters of inter-state rivers or river valleys, and can bar the jurisdiction of the Supreme Court and other courts in such matters. Under this authority, Parliament enacted:

The River Boards Act, 1956: Provides for the establishment of River Boards by the Central Government to advise on regulation or development of inter-state rivers and river valleys. The UYRB is constituted under this Act.
The Inter-State River Water Disputes Act, 1956 (ISWD Act): Provides for reference of inter-state water disputes to a Tribunal when states fail to reach agreement through negotiation. Tribunal awards are published in the Official Gazette and have the same force as an order of the Supreme Court.

Key Constitutional Details: - Article 262 is in Part XI (Relations between the Union and States). - The ISWD Act, 1956, has been invoked for multiple river disputes — Krishna, Cauvery, Narmada, Godavari, Ravi-Beas, Mahadayi. - The Supreme Court has held that its jurisdiction under Article 32 and 136 is excluded in matters adjudicated by water tribunals (under ISWD Act, 1956, Section 11).

Connection to this news: The Yamuna allocation dispute between Haryana and Rajasthan was resolved through a bilateral MoU (the 1994 pact) rather than a tribunal, but the legal scaffolding remains Article 262 + River Boards Act + the UYRB's regulatory authority. The 2026 implementation MoU is a negotiated bilateral agreement facilitated by the Union Home Ministry — not a tribunal award.

Hathinikund Barrage — Geographic Significance

Hathinikund Barrage is a concrete barrage on the Yamuna River located in Yamuna Nagar district, Haryana, near the Haryana–Uttar Pradesh border. It was constructed between 1996 and 1999 (operational from March 2002) and replaced the older Tajewala Barrage (built 1873) located 3 km downstream.

Length: 360 metres; 10 main floodgates and 8 undersluices.
Diverts Yamuna waters into the Western Yamuna Canal (serving Haryana, Delhi, and Rajasthan) and the Eastern Yamuna Canal (serving Uttar Pradesh).
The barrage is the key regulatory structure from which Rajasthan's 1.119 BCM share is to be drawn.
The reservoir created by the barrage serves as a wetland for 31 waterbird species.

Connection to this news: Rajasthan's water is to be drawn from Hathinikund via an underground pipeline — an infrastructure choice that minimises evaporation losses (critical in arid Rajasthan) compared to open canal delivery.

Key Facts & Data

Original water-sharing MoU signed: May 12, 1994 (Upper Yamuna basin states).
Signatories to 1994 MoU: UP, Haryana, Rajasthan, Himachal Pradesh, NCT Delhi (Uttarakhand included post-2000).
Rajasthan's allocated Yamuna share: 1.119 BCM (≈ 1,917 cusecs).
Implementation mechanism: water drawn from Hathinikund Barrage, Yamuna Nagar, Haryana, via underground pipeline.
2026 MoU signed: June 29, 2026, facilitated by the Union Home Ministry.
UYRB constituted under: River Boards Act, 1956; subordinate to Ministry of Jal Shakti.
Constitutional provision: Article 262 (inter-state water dispute adjudication).
Statutory law: Inter-State River Water Disputes Act, 1956.
Hathinikund Barrage: operational since March 2002; replaced Tajewala Barrage (1873).
Haryana's Yamuna share (1994): 5.730 BCM — the largest among all basin states.
The agreement is linked to the UYRB accord; water to be drawn primarily during monsoon months.