THE ATHIKADAVU–AVINASHI GROUNDWATER RECHARGE AND DRINKING WATER SUPPLY SCHEME
Water
scarcity has been a major challenge in several parts of western Tamil Nadu,
especially in the districts of Coimbatore district, Tiruppur district, and
Erode district. To address this issue, the government introduced the
Athikadavu–Avinashi Groundwater Recharge and Drinking Water Supply Scheme
(AAGRS), a large-scale water management initiative designed to improve
groundwater levels, support agriculture, and provide reliable drinking water to
millions of people. The project was officially commissioned in August 2024 and
represents one of the most significant water conservation projects in the
region.
The
Athikadavu–Avinashi scheme was developed with the aim of utilizing surplus
water from the Bhavani River. Water is diverted from the downstream area of the
Kalingarayan Anicut and distributed to drought-prone regions through an
extensive pipeline network. The project has a total cost of approximately
₹1,916 crore and is designed to divert around 1.5 TMC (thousand million cubic
feet) of surplus river water. This water is used to fill numerous lakes, tanks,
and ponds, thereby helping to recharge groundwater and improve water
availability in the surrounding agricultural lands.
A
major feature of the scheme is its wide geographical coverage. The project
benefits several drought-affected areas across Coimbatore, Tiruppur, and Erode
districts, covering nearly 24,468 acres of land. By filling existing water
bodies and improving groundwater recharge, the project aims to restore the
region’s water resources and support long-term agricultural sustainability.
Many farmers in these districts depend heavily on groundwater for irrigation,
and declining water levels in recent years have created serious challenges for
farming communities.
The
infrastructure developed for the Athikadavu–Avinashi scheme is extensive and
technologically advanced. The project includes approximately 1,065.30
kilometers of pipelines that transport water across multiple regions. It also
features six pumping stations that help regulate the movement of water through
the system. These pumping stations ensure that water reaches various tanks and
ponds located in different elevations across the districts.
One
of the most significant components of the project is the restoration and
filling of local water bodies. In total, the scheme is designed to supply water
to 1,045 water bodies, which include 32 Public Works Department (PWD) tanks, 42
union tanks, and 971 village ponds. By filling these traditional water storage
structures, the project not only preserves existing water resources but also
improves groundwater recharge across the region. This approach helps ensure
that water remains available in wells and borewells used by farmers and
households.
The
Athikadavu–Avinashi scheme was implemented using the Design, Build, Operate,
and Transfer (DBOT) model. The project was executed by Larsen & Toubro, one
of India’s leading engineering and construction companies. Under this model,
the company was responsible for designing the system, constructing the
infrastructure, and managing operations before eventually transferring it to
the government. This approach allowed the project to be completed efficiently
using advanced engineering methods and modern water management technology.
The
primary objectives of the project are to improve groundwater recharge, support
agriculture, and provide drinking water to the population in the affected
districts. By improving groundwater levels, the scheme helps farmers maintain
irrigation for crops such as coconut, turmeric, sugarcane, and vegetables that
are widely cultivated in the region. In addition, the project is expected to
provide drinking water benefits to nearly 50 lakh people living in the
surrounding areas.
The
idea of the Athikadavu–Avinashi scheme is not new. The project was originally
proposed more than sixty years ago as a solution to the recurring drought
conditions faced by several parts of western Tamil Nadu. However, due to
various administrative, financial, and technical challenges, the project
remained under discussion for decades before finally being implemented.
Construction of the scheme officially began in December 2019 after the
government approved the project and allocated the required funds.
After
several years of construction and infrastructure development, the project was
inaugurated on August 17, 2024, by the Chief Minister of Tamil Nadu, M. K.
Stalin. The commissioning of the project marked a major milestone in the
state’s efforts to address water scarcity and strengthen agricultural
sustainability. Since its inauguration, the system has become operational, and
authorities have continued efforts to ensure that all the targeted water bodies
are properly connected to the pipeline network.
The
Athikadavu–Avinashi scheme is expected to have long-term environmental and
economic benefits. By restoring water bodies and improving groundwater
recharge, the project helps maintain ecological balance while supporting
farming activities. Increased water availability can also improve crop
productivity and rural livelihoods in the region. Furthermore, the scheme plays
an important role in providing drinking water to growing urban and rural
populations in western Tamil Nadu.
In
conclusion, the Athikadavu–Avinashi Groundwater Recharge and Drinking Water
Supply Scheme is a landmark water management initiative that addresses one of
the most critical challenges faced by the region—water scarcity. Through
efficient use of surplus river water, modern infrastructure, and restoration of
traditional water bodies, the project aims to secure water resources for
agriculture, domestic use, and environmental sustainability. With its
large-scale impact across multiple districts, the scheme stands as a
significant step toward ensuring long-term water security for the people of
western Tamil Nadu.
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