The Yamuna cleanup has entered another deadline-driven phase in Delhi, with the new government promising to make the river clean within the next two and a half years. Yet the record of more than three decades shows that the central problem is not the absence of projects or money. It is the failure to connect sewage treatment, river flows, drainage, industrial enforcement and inter-state coordination into one functioning system.
More than ₹8,000 crore has been spent on Yamuna-related programmes since 1993, according to the report by Jagran – New Delhi. The river, however, remains heavily polluted. The report attributes the continuing deterioration to inconsistencies in planning and weak implementation, while also identifying low water availability, underperforming sewage treatment plants and untreated waste entering the river as major challenges.
The latest plan is being advanced under the supervision of Prime Minister Narendra Modi, with coordination between the Centre, Delhi and neighbouring states. Delhi’s new Bharatiya Janata Party government has set a target of cleaning the Yamuna within two and a half years. The promise follows earlier deadlines that were not met. The Aam Aadmi Party, which came to power in Delhi in 2015, had promised to clean the river within five years. That deadline was later extended by another five years, but the report says there was no substantive improvement.
The pattern matters because Yamuna pollution is not a single-project failure. It is the result of multiple systems operating separately. Sewage is generated across the urban region, conveyed through an incomplete sewer network, treated at plants that may not consistently meet standards, and discharged into drains and the river. Water released upstream determines how much the treated and untreated waste is diluted. Industrial discharge and drains flowing from neighbouring states add another layer beyond the direct control of Delhi’s agencies.
The new programme therefore combines several interventions. The government is setting up new decentralised sewage treatment plants and upgrading older sewage treatment plants. It has allocated ₹6,485 crore for sewage treatment plant projects and approximately ₹4,500 crore for other works, according to the report. Twenty-seven new decentralised treatment plants are planned, along with an expansion of the sewer network intended to increase the total treatment capacity.
This approach recognises a basic infrastructure constraint: treatment capacity on paper does not necessarily mean that all sewage reaches a treatment plant. A plant can function only when households, unauthorised settlements, commercial areas and other sources are connected to a working sewer network. The report does not provide the current proportion of sewage that is actually captured and treated, but its emphasis on network expansion indicates that the gap between installed capacity and effective interception remains important.
The Najafgarh drain is another critical part of the plan. The drain is identified as one of the principal sources of pollution, and cleaning work is being undertaken with modern machinery. The government also proposes to increase environmental flow by combining treated water with water brought from Uttar Pradesh from the Ganga. This shifts the focus beyond removing pollutants to restoring the volume of water in the river channel.
That distinction is central to understanding the Yamuna’s condition. A river cannot be restored through sewage treatment alone if the non-monsoon flow is too low to sustain its ecological functions. The report cites a 2019 recommendation by the National Institute of Hydrology, Roorkee, for a minimum release of 812 cumecs from the Hathnikund Barrage. It also reports that, seven years later, only 310 cusecs is released during the non-monsoon season. The differing units used in the report should be clarified in official implementation documents, but the stated comparison points to a substantial gap between the recommended and actual flow.
The spending history shows why the latest allocation cannot be assessed only by its size. A February 2024 parliamentary report cited in the article recorded expenditure of ₹1,514.70 crore under Yamuna Action Plans I and II. In the decade before the report, ₹5,834.7 crore had been sanctioned under the Namami Gange programme for related work. Together, these figures demonstrate that the river has received sustained public funding, but they do not by themselves establish whether the money produced continuous treatment, reliable operations or measurable improvement in water quality.
Bhim Singh Rawat, co-convener of the South Asia Network on Dams, Rivers and People, argues that much of the spending has gone towards sewage treatment plants, beautification and ghats, while the river’s ecology and environmental flow received insufficient attention. His criticism identifies a recurring weakness in urban river programmes: visible assets are easier to announce and count than the less visible work of maintaining treatment performance, enforcing discharge standards and securing water through an entire river stretch.
The sewage treatment system itself remains unfinished. The report states that several of Delhi’s 35 sewage treatment plants do not meet prescribed standards. It also says that 28 plants have been upgraded following a 2017 order of the National Green Tribunal, while work continues on seven others. These figures indicate progress in physical upgrading, but they do not establish that all plants are operating continuously at the required standard or that the entire sewage load is being intercepted before it reaches the river.
The institutional challenge extends beyond Delhi’s municipal boundary. Polluted drains from neighbouring states have been a continuing problem, and the new plan proposes inter-state coordination for their treatment. This is a significant administrative shift because the Yamuna’s pollution load is produced across a connected basin, while responsibility is divided among state governments, urban local bodies, sewerage agencies, pollution control authorities and central programmes. A Delhi-only deadline cannot resolve a problem whose sources and water flows cross state borders.
The report also places the current plan within a longer political cycle. Since the Yamuna Action Plan began in 1993, successive governments have announced new targets for cleaning the river. Each deadline has created a fresh public promise, but the persistence of pollution suggests that timelines have often been treated as outcomes rather than as milestones tied to independently measured performance. The available account does not provide a new water-quality baseline or a detailed list of indicators against which the two-and-a-half-year target will be evaluated.
That missing measurement framework is important. A clean-up claim could refer to reduced visible foam, lower pollution in a particular stretch, compliance by treatment plants, increased sewage interception, improved dissolved oxygen, or a wider ecological recovery. These are different outcomes. Without a clearly published baseline, location-wise targets and regular reporting, the public may be unable to distinguish between improvement in a visible riverfront area and restoration of the river system itself.
The proposed use of treated water and Ganga water to increase flow also raises an implementation question that the supplied report does not answer: how will the volume, quality and timing of these flows be monitored across the river? Similarly, the announcement of 27 decentralised treatment plants establishes an infrastructure pipeline, but not yet their commissioning schedule, operating responsibility, maintenance funding or connection to the sewer network.
The central lesson from the Yamuna’s spending history is that capital expenditure is only one part of river restoration. Treatment plants, drains and riverfront works can create a visible public infrastructure footprint, but the river’s condition depends on routine institutional performance: sewage must be intercepted, plants must meet standards, industrial discharge must be controlled, drains must be monitored and environmental flow must be maintained. These functions require coordination after construction is complete.
The next two and a half years will therefore test more than the government’s ability to complete projects. They will test whether Delhi and the neighbouring states can operate the Yamuna as a connected urban river system. The evidence currently establishes a large expenditure record, continuing pollution, incomplete treatment performance and a new set of proposed interventions. What remains to be demonstrated is whether the latest plan can convert those interventions into measurable improvements in water quality and ecological flow before another deadline arrives.
