By CA Anil K. Jain Chartered Accountant | Economist |
Policy Researcher | Author
President – Ahimsa Foundation India
India faces one of the most
extraordinary water paradoxes in the world
During the monsoon, enormous
volumes of water surge through our rivers. Floods inundate towns, villages and
agricultural land, while swollen rivers carry vast quantities of freshwater
towards the Arabian Sea and the Bay of Bengal. Yet only a few months later,
many parts of the same country struggle with declining groundwater levels, dry
wells, drinking-water shortages and severe agricultural stress. This contradiction reveals an important
truth: India’s water crisis is not simply a crisis of water availability. It is
also a crisis of storage, timing and management.
Nature provides India with
enormous quantities of water, but much of it arrives within a relatively short
monsoon period. The challenge before us is therefore to conserve a
scientifically determined portion of suitable surplus monsoon flows and make
that water available when and where it is needed most.
The answer may lie beneath our
feet
India should launch a national
mission to capture suitable surplus river water during high-flow monsoon
periods, scientifically filter it and recharge depleted underground aquifers
through river water recharge wells and other managed aquifer recharge systems. Done
properly, this could become one of the most powerful components of India’s
strategy for achieving long-term water security.
India
Already Possesses a Vast Underground Reservoir
The greatest advantage of
groundwater recharge is remarkably simple: the aquifer itself becomes a natural
underground reservoir. India has traditionally relied heavily on dams,
reservoirs, tanks, ponds and other surface-storage systems. These will continue
to be indispensable. But surface storage alone cannot solve a water challenge
of India’s scale.
India must increasingly look
underground
Where geological conditions
permit, surplus monsoon river water can be diverted through scientifically
designed sedimentation and filtration systems and used to recharge depleted
aquifers through recharge wells, shafts, spreading basins and related
structures. Instead of attempting to construct a massive surface reservoir
everywhere, we can make greater use of the enormous natural storage capacity
already available beneath suitable parts of the country.
This is not an experimental
idea
India’s own Central Ground
Water Board has prepared a Master Plan for Artificial Recharge to
Groundwater–2020, envisaging approximately 1.42 crore rainwater-harvesting
and artificial-recharge structures with the potential to harness about 185
billion cubic metres of water. The Government has therefore already recognised
the enormous potential of groundwater recharge.
The real question is
Why has this potential not yet
been transformed into a single, scientifically managed, measurable and
accountable national mission? India Must Move From Counting Structures to
Counting Water . India has already undertaken water-conservation works on an
extraordinary scale. Millions of rainwater-harvesting, groundwater-recharge and
water-conservation structures have been constructed or renovated through
programmes such as Jal Shakti Abhiyan and other Central and State Government
initiatives. This represents an enormous national effort.
But the next generation of
Indian water policy must move beyond simply asking: “How many structures have
we constructed?” It must ask: “How much water have we actually recharged?” That
change in thinking is fundamental.
A recharge structure recorded
as “completed” is not necessarily a successful recharge structure. A structure
may work initially but gradually lose capacity because of sedimentation,
clogging or poor maintenance. A recharge well installed without adequate
hydrogeological investigation may deliver little benefit. Worse, injecting
inadequately treated or contaminated surface water could endanger the aquifer
we are trying to protect. India therefore needs to measure outcomes: actual
water recharged, improvement in groundwater levels, aquifer storage created,
water quality maintained, cost per cubic metre of recharge, and performance
sustained over time. Public expenditure should ultimately be linked to
measurable water outcomes rather than merely to physical construction targets.
Establish a National River Water Recharge Wells Authority
This is where institutional
reform becomes essential. The Government of India should establish, on the
highest priority, an empowered National River Water Recharge Wells Authority—or
an equivalent National River Water Recharge Mission under the Ministry of Jal
Shakti. The institution should have a clear mandate: identify locations where
surplus monsoon river water can safely recharge groundwater; scientifically map
suitable aquifers; establish national engineering and water-quality standards;
coordinate with State Governments; develop recharge infrastructure; monitor its
performance; maintain the systems; and publicly disclose measurable results.
It should not become another
layer of bureaucracy
It should be an execution,
coordination, scientific monitoring and accountability institution. Working
alongside the Central Ground Water Board, Central Water Commission, State
Governments, IITs, engineering institutions, groundwater scientists and local
authorities, it should prepare a comprehensive National River-to-Aquifer
Recharge Map. For every potential location, five questions must be answered
scientifically:
- How much water is genuinely available during
high-flow periods after meeting ecological, downstream, interstate and
international requirements? - Which nearby depleted aquifers are geologically
suitable for recharge? - Is the river water of adequate quality?
- What filtration, sedimentation or treatment is
required before recharge? - How much water can the aquifer safely receive, store
and subsequently make available?
Only after these questions are
answered should large-scale recharge infrastructure be constructed.
Create River Water Recharge
Corridors Across India
Rather than distributing
projects merely according to administrative boundaries, India should identify
strategic River Water Recharge Corridors. Priority should initially be given to
locations where three conditions coincide:
surplus seasonal river flows +
suitable underground aquifers + serious groundwater stress.
During periods of high monsoon
flow, scientifically determined quantities of river water could be diverted
into sedimentation and filtration facilities and then directed into recharge
wells, shafts, spreading basins or other structures appropriate to local
geological conditions.
The objective is not to
prevent rivers from reaching the sea.
Rivers must continue to
support ecosystems, deltas, fisheries, sediment movement, navigation where
applicable, downstream communities and protection against saline intrusion. The
objective is far more practical: Capture a scientifically determined portion of
suitable surplus monsoon water and bank it underground for India’s dry months. That
is the essential idea.Instead of allowing the monsoon to remain primarily a
four-month phenomenon, India can attempt to convert part of its seasonal
abundance into year-round groundwater security.
Every
Recharge Well Must Become a Measurable Water Asset
Technology alone will not
solve the problem. India must avoid repeating a familiar mistake: constructing
millions of structures and assuming that construction itself equals success. Every
major river-water recharge installation should therefore be scientifically
instrumented. Flow meters should record how much water enters the recharge
system. Piezometers should monitor changes in groundwater levels. Water-quality
testing should protect underground aquifers from contamination. Sedimentation
and filtration systems should be inspected and maintained before and during
every monsoon.
Most importantly, the
information should be transparent.
India should create a National
River Water Recharge Dashboard, allowing governments, scientists and citizens
to see, district by district: How much river water was diverted? How much was
actually recharged? How did groundwater levels respond? What was the cost per
cubic metre? Is the water safe? Is the system still functioning? Such
transparency would fundamentally change accountability. Success would no longer
mean inaugurating a structure.Success would mean putting measurable quantities
of safe water underground.
Recharge Must Be Accompanied
by Responsible Groundwater Use
There is an equally important
second half to this strategy. Recharging groundwater cannot become a licence
for unlimited groundwater extraction. If additional recharge simply results in
additional pumping, India will remain trapped in the same cycle. A National
River Water Recharge Mission should therefore operate alongside improvements in
irrigation efficiency, crop planning, groundwater regulation, wastewater reuse
and other demand-management measures. The objective must be to restore the
groundwater balance—not simply to increase the quantity available for
extraction.
India Can
Begin Immediately
India does not need to wait
decades. The Government could immediately identify priority river basins and
severely groundwater-stressed districts for the first phase of a National River
Water Recharge Mission. Detailed hydrogeological surveys could identify
suitable aquifers. Environmentally permissible surplus flows could be
determined. Several hundred fully monitored pilot clusters could then be
established across different geological and climatic regions. Their performance
could be scientifically evaluated over successive monsoons.Projects
demonstrating high recharge efficiency, acceptable costs, safe water quality
and measurable groundwater improvement could then be standardised and
replicated rapidly across the country.
Financing should also be
redesigned.
Instead of rewarding
implementing agencies mainly for the number of structures constructed, India
should increasingly reward them for the verified volume of water successfully
and sustainably recharged. That single change—from counting structures to
counting cubic metres of water—could revolutionise the effectiveness of public
expenditure on groundwater recharge.
Make Every Monsoon Count
For too long, India has
treated floods, rivers, groundwater depletion, irrigation shortages and drought
as largely separate problems. They are not. They are interconnected parts of
the same national water cycle. The water creating excess river flows during the
monsoon could, where hydrology, ecology and water quality permit, help
replenish the groundwater required during the dry season. That is the
transformative potential of river water recharge wells. India already possesses
the technical institutions, groundwater scientists, engineers, satellite
technology, digital monitoring capability and decades of experience required to
begin. What India now needs is institutional focus, national coordination,
scientific execution and accountability for results. Therefore, the Government
of India should urgently consider establishing an empowered National River
Water Recharge Wells Authority and launching a time-bound National River Water
Recharge Mission as a national priority. Its success should not be measured by
speeches, budgets sanctioned or the number of wells constructed.It should be
measured by one uncompromising question: How many billion cubic metres of safe
water have actually been recharged into India’s depleted aquifers, and how much
sustainable water security has that recharge created?
India cannot manufacture water
But India can manage far more intelligently the enormous quantity of water that
nature already provides. The monsoon comes every year. The rivers rise every
year. Our depleted aquifers need replenishment every year. India’s opportunity
is to connect these three realities—monsoon, river and aquifer—through a
scientifically designed national programme. We should not allow future
generations to inherit depleted aquifers while potentially usable seasonal
water passes through our river systems unused. Where science, ecology and water
quality permit, India should recharge today the groundwater it will need
tomorrow. This is far more than a water-conservation programme. It is an
investment in India’s drinking-water security, food security, farmers, rural
economy, climate resilience—and the future of the nation.
