In Oct. 2025, we could find at least 06 flood monitoring sites of Central Water Commission (CWC), where rivers have crossed their Highest Flood Levels (HFL) after the end of South West Monsoon season 2025 on Sept 30 2025. Of the 6 sites, 2 each are in Brahmaputra basin in W Bengal and Ganga basin in Bihar. 1 site Anantharam on Musi river in Telangana is part of Krishna basin and 1 site Marella on Gundlakamma river in Andhra Pradesh is part of East Flowing Rivers between Mahandi and Pennar basin.
Continue reading “India’s Rivers in Extreme Floods in Oct 2025”Category: Highest Flood Level
Yamuna Flood 2025: Is River Carrying Capacity, Pattern Changing?
(Feature Image: Sept. 06, satellite image showing Yamuna flood spread downstream Delhi. Credit: Raj Bhagat P)
During South West Monsoon 2025, the Yamuna has witnessed one low, one medium and one high flood spells in its upper segment. On account of good rainfall in the catchment, the river also received significant flows for about one and half month from last week of July 2025 upto first week of Sept 2025. Due to this flood spells and flows the water quality in Delhi stretch of the river improved significantly, though temporarily.
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Rivers in Extreme Floods During SW Monsoon 2025
This is the summary report of Highest Flood Levels (HFL) breach incidents which we could document from CWC’s flood monitoring website during South West Monsoon Season 2025. The monthly reports for HFL breach incident for July 2025, August 2025 and September 2025 can be seen by clicking the hyperlinks and the detailed final report can be seen here. SANDRP’s previous reports on the subject can be seen here: HFL breach incidents in 2018, 2019, 2020, 2021 (I), 2021 (II), 2022 (I), 2022 (II), 2023, and 2024.
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Rivers Flowing in Extreme Floods in September 2025
(Feature Image: Yamuna river in severe flood at Mawi site in Kairana, UP on Sept. 02, 2025)
We have been able to observe river attaining new Highest Flood Level (HFL) at least at 18 flood monitoring sites of the Central Water Commission (CWC) in the last month of South West Monsoon 2025. These 18 sites are spread over 7 States & UT, including Jammu & Kashmir (6 sites), Maharashtra (4 sites), Uttar Pradesh (3 sites), Haryana (2 sites), Madhya Pradesh, Telangana and Karnataka (1 each site) comprising 5 river basins including Indus (6), Ganga (6), Krishna (3), Tapi (2) and Godavari (1).
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Rivers Crossing the Highest Flood Levels in Aug 2025
In the third month of South West Monsoon season 2025, we have been able to track at least 23 flood monitoring sites of the Central Water Commission (CWC) where the respective rivers have crossed their Highest Flood Level (HFL). These 23 sites are spread over 5 river basins -11 sites in Ganga basin, 9 sites in Indus basin & 1 each in Mahi, Godavari and Krishna basins.
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Rivers Crossing the Highest Flood Levels in July 2025
(Feature Image: Hydrograph of Pin river at Gulling site in Lahul & Spiti on July 04, 2025)
In July 2025 during the South West Monsoon, we have found rivers crossing their respective Highest Flood Levels (HFL) at least at 12 flood monitoring sites of Central Water Commission (CWC). Of the 12 sites, 11 are in Ganga basin and 1 site is in Narmada basin. The details of all these sites are given in table below. The sixth column of the table is the information about rise in meter (m) over the old HFL, duration (hours-hrs) the river has stayed in extreme floods and number of years (yrs) after the HFL is breached. The 12 sites are spread over 5 states: Madhya Pradesh, Uttar Pradesh, Bihar, Uttarakhand and Jharkhand.
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Rivers Flowing in Extreme Flood Situation during Northeast Monsoon 2024
In addition to rivers flowing in extreme flood situations at 64 flooding monitoring stations during Southwest Monsoon 2024, we have found that rivers have crossed highest flood level (HFL) at four stations during just concluded Northeast Monsoon season. Of these four stations, three are in Tamil Nadu state and one is in Union Territory of Puducherry.
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SW Monsoon 2024: Rivers Crossing Highest Flood Levels
During southwest monsoon season 2024, SANDRP has tracked at least 64 flood forecast and flood monitoring sites where the respective rivers have crossed the highest flood levels (HFL). Here we present detailed analysis of these sites along with some key observations and other relevant information. SANDRP’s previous reports on the subject can be seen here: HFL breach incidents in 2018, 2019, 2020, May-Sept 2021, Oct.-Nov 2021, May-June 2022, July-October 2022, June-October 2023.
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Lower Yamuna Basin: 11 Rivers Crossed old HFLs in just 2 days in Sept 2024
(Feature Image: Yamuna rivers in severe flood situation at Pachnada in Etawah, UP on Sept. 14, 2024. Image source Udaybhan)
It is interesting to see that at least 11 rivers at as many flood monitoring sites of Central Water Commission (CWC) located in Bundelkhand region (4 sites) and lower Yamuna basin (7 sites) have crossed old Highest Flood Level (HFL) just in 2 days on September 12-13, 2024. These sites are in 3 different states of Madhya Pradesh (7 sites), Uttar Pradesh (3 sites) and Rajasthan (1 site).
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SANDRP 