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Informist, Thursday, Oct. 9, 2025

MUMBAI – The water level in 161 reservoirs across the country was 166.74 billion cubic metres as on Thursday, up over 1% from 164.99 billion cubic metres a week ago, according to data from the Central Water Commission. The week-on-week rise is mainly due to a significant increase in water levels in reservoirs in the east, supported by continued heavy rainfall during the week.

The current level is 91.4% of the total live storage capacity of 182.48 billion cubic metres, up 5.4% from a year ago. The water level in the reservoirs as of Thursday was nearly 19% higher than the 10-year average. 

While the reservoir level in the central, western, and southern regions rose from last week, the sharpest week-on-week increase was recorded in eastern India. The water level in key reservoirs in eastern India was 18.48 billion cubic metres as of Thursday, up nearly 8% from 17.12 billion cubic metres recorded on Oct. 2. The current water level is nearly 85% of the total live storage capacity, compared with over 83% a year ago. The eastern region includes Assam, Bihar, Jharkhand, Meghalaya, Mizoram, Nagaland, Odisha, Tripura, and West Bengal. 

A few states in the region received extremely heavy showers under the influence of multiple weather systems, such as a well-marked low-pressure area and cyclonic circulation. According to data from the India Meteorological Department, rainfall in eastern India was 61% above normal at 76.2 millimetres during the week ended Wednesday.

Reservoirs in southern, western, and central India also recorded a week-on-week increase in water levels. In the southern region, the water level was at 49.14 billion cubic metres as of Thursday, up over 1% from the previous week. The storage was over 89% of the total live storage capacity across the 45 reservoirs in the region, compared with nearly 86% a year ago.

This rise in water levels was despite 26.9 millimetres of rainfall, which was 32% below normal over south India during the week ended Wednesday. Southern India includes Andhra Pradesh, Telangana, Karnataka, Kerala, and Tamil Nadu.

In the western region, reservoirs held 36.57 billion cubic metres, slightly up from 36.35 billion cubic metres the previous week. The storage as of Thursday was nearly 98% of the total live storage capacity, higher than 97% a year ago. The western region comprises Goa, Gujarat, and Maharashtra.

The water level in reservoirs in the central region was 45.24 billion cubic metres, up from 45.06 billion cubic metres a week earlier. The current storage accounts for over 93% of the total live storage capacity, surpassing 90% a year ago. This region includes Chhattisgarh, Madhya Pradesh, Uttar Pradesh, and Uttarakhand. 

However, water levels in reservoirs of the northern region declined to 17.30 billion cubic metres as of Thursday from 17.89 billion cubic metres the previous week. The current level is over 87% of the total live storage capacity, higher than 64% a year ago. The northern region includes Himachal Pradesh, Punjab, and Rajasthan.

Out of the 161 reservoirs, 156 reservoirs reported more than 80% of normal storage, and five had 80% or less. During the week ended Wednesday, India received 40.6 millimetres of rainfall, 64% above the normal of 24.8 millimetres, according to the India Meteorological Department.  End

Reported by J. Navya Sruthi

Edited by Saji George Titus

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