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Central Water Commission

(Serving the nation since 1945)

Get Hydrological Data

General Information for release of Hydrological Data

  • The request (in Hydrological Data Request Form and "Secrecy Undertakings") for release of Hydrological Data may be addressed to the concerned field Chief Engineer of Central Water Commission. (official addresses of field formations of Central Water Commission) A brief about the methodology, purpose, geographical study area and duration of the concerned work/study should be provided along with the Data Request Form.
  • The hydrological datamay be released by the concerned Chief Engineer of Central Water Commission to the Central/State Government Departments/ Organizations, Academic Institutions and Research Organizations of India for use for specific purpose after ascertaining its legitimacy/justification.
  • After examination as above, the Central/State Government Departments/ Organizations, Academic Institutions and Research Organizations of India would be informed about the postal/media charges, if any, to be paid by them by the concerned field formation of Central Water Commission (under intimation to Member (RM) , CWC alongwith copy of data request letter).

What's New in CWC

The total water available in live storage of 91 reservoirs in the country being monitored by CWC was 66.26 BCM as on 14.02.2019.This is 41% of the total live storage capacity of these reservoirs and 96% of storage of average of last ten years.The overall storage position is more than the corresponding period of last year in the country as a whole but is less than the average storage of last ten years during the corresponding period.

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Central Water Commission in collaboration with Odisha Water Resources Department and the World Bank successfully organised International Dam Safety Conference - 2019 during 13-14 February 2019 at Bhubaneswar, Odisha. It was conculded by holding a press conference on 15 Feb 2019 in the presence of Secretary, MoWR, RD & GR and Chairman, Central Water Commission among other senior officers / dignitaries from the fraternity.

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39th Meeting of the National Committee on Dam Safety (NCDS) under Chairmanship of Chairman, CWC being held at Bhubaneswar on 11 February 2019.


Chairman, Central Water Commission handed over Emergency Action Plan document of Hirakud Dam to Principal Secretary, Odisha Water Resources Department on January 10 , 2019 at Rajiv Bhawan, Bhubaneswar. The EAP has been prepared under DRIP to act as model document for other Dam owners.


Govt of Gujarat has signed MoU on 7th January 2019 with Central Water Commission and CWPRS at Gandhinagar for Implementation of Coastal Management Information System (CMIS) in the State.