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226 TRƯỜNG ĐẠI HỌC SƯ PHẠM KỸ THUẬT - ĐẠI HỌC ĐÀ NẴNG

Sadayankuppam, Thalankuppam, Nettukuppam,
Kattukuppam, Chinnaluppam and Periyakuppam.
They all have rich cultural heritage and a deep
connection to the river and its surroundings (Khan,
Kumar and Chella, 2022).

Source: Google earth Source: SV Krishna Chaitanya, New Indian Express
Fig. 1. Shows the map view of Kosasthalaiyar river Fig. 2. View of fly ash in the pond
with the NCTPS in the upper part and Nettukuppam This issue underscores the pressing need for
and neighboring communities in lower part comprehensive measures to address the adverse
The indigenous communities of Ennore have a impacts of power plant emissions on air quality and
long history of living off the land and water, relying public health in Ennore. Implementing effective
on fishing, and other traditional occupations for their pollution control technologies and regulatory
livelihoods. The river has been a source of sustenance frameworks within the power sector is paramount to
and spiritual significance for these communities, mitigating these deleterious effects. Additionally,
providing them with fish and a means of collaborative efforts among stakeholders, including
transportation(SE vARA et al., no date). government authorities, industries, and community
However, with the onset of industrialization in the representatives, are essential to fostering sustainable
early 1950s, the lives of the indigenous communities solutions that safeguard both environmental integrity
in Ennore began to change drastically. The and human health in the Ennore region.
establishment of industries along the banks of the The pollution of the Kosasthalaiyar River, which
Kosasthalaiyar River led to the discharge of has led to a decline in fish stocks, affects the income
impurities into the river, resulting in severe water and food security of the neighboring fishing
pollution(Seshan, Natesan and Deepthi, 2012). The communities(Balasubramanian, 2018) and the
discharge of oil in water occurs mostly during contamination of the river water due to discharge of
flooding season, due to which the river’s ecology gets crude oil extracts by the CPCL (Chennai Petroleum
affected and the livelihood of the indigenous people is Corporation Limited) which is discharged into
damaged. A study found that methanogenic consortia Buckingham canal which joins with the river at the
found in Ennore’s mangrove sediments are
communities of methane gas producers, which play a end, usually the discharge occurs in low quantity but
crucial role in the biochemical cycles and ecosystem in certain occasions the discharge is done in a large
functions(Ramkumar, 2014). This pollution has had a quantity. Furthermore, This has led to a loss of
significant impact on the livelihoods and well-being cultural identity and a sense of dislocation among the
of the indigenous communities. communities.
The pollution originating from the NCTPS (North
Chennai Thermal Power Station) constitutes another
significant factor contributing to the deterioration of
air quality in the Ennore region. Of particular concern
is the emission of ashes resulting from the combustion
processes within the thermal power plants. These
airborne particulates directly contaminate the
surrounding air, posing considerable challenges to the
respiratory health and well-being of the local people
residing in the villages of Ennore. The fly ash directly
affects the Senapakkam village which is 50 m away
from the pond where the fly ash slurry is poured, the
fly ash is carried away by the wind to the nearby
fishermen villages, sources say that the dumping of
fly ash into the lake is illegal.

ISBN: 978-604-80-9779-0