Abstract
Ganga River is the lifeline for socio-economic development of India. The unlimited desire of human and anthropogenic activities degraded the water quality of Ganga River, especially in Haridwar. The present study investigated the significant impact of lockdown on physio-chemical status of the Ganga River in Haridwar. Study also revels the significant augmentation of heavy metals as lockdown released, however, average daily dose and hazard index has advocacy in suitability of Ganga River water in Haridwar for their utility. Moreover, this is the first study that highlights Cancer Risk value of Arsenic (As) and Chromium (Cr) in Ganga River water in Haridwar exceeded over the target risk of 1 ×10<sup>−4</sup>. The values for As was calculated as 0.000172 - adult and 0.00074 - children, whereas, for Cr was estimated as 0.000067 - adult and 0.00029 - children. This indicates the ingestion of Ganga River water (except for Cr values for adult which is less than targeted value) in Haridwar for long time may increase the probability of cancer to the population. Therefore, it is imperative to formulate such policies and strategies that keep ritual values and maintain water quality.
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