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Central Water Commission

(Serving the nation since 1945)

Welcome to Hydrological Studies Organisation

Hydrological Study Organization (HSO), the main function of this organization is to provide basic input of hydrology for rational planning of water resources projects, review design flood studies for various projects, technical appraisal of the hydrological aspects of river valley projects, consultancy of project hydrology connected with the planning, design and operation of water resources projects and vetting of hydrological chapters, provide guidance/assistance to various agencies like WAPCOS, NEEPCO, NHPC and State Governments in undertaking hydrological studies, imparting training on project hydrology to various Central and State Government's Engineers and prepare Manuals/Standards for hydrological analysis. Preparation of Report and Secretarial work of Study on Salinity ingress in Coastal Areas, Revision of BIS Codes Pertaining to WRD-IO, Secretariat work of EAC for MoEF; Consultancy Studies, Special Studies, international Projects, E- flow Studies, Secretarial work of EAC of MoEF, Special Studies (Flood simulation, possible diversion of IN DUS water of China, Brahmaputra matter with China, Storage issues of Brahmaputra, International Issues (China, Bangladesh, Bhutan), National Hydrology Project-III, International Co-operation, Interstate issues, Revision of BIS Codes Pertaining to WRD-l and DRIP. The Organization would keep a watch on latest development/identification of stress areas in the field of Hydrology and identify areas of Research in the sphere of activities like adoption of appropriate flood frequency methods in India in line with Bulletin 13 "Methods of Flow Frequency Analysis" used in USA, and carry out research in-house/by other agencies. 

Functional Domains of Central Water Commission

Water Resources
Appraisal of Water Resources Projects

CWC is responsible for appraisal of preliminary/detailed project report pertaining to major inter-state project proposals.

Basin Planning and Management
Basin Planning and Management

Responsible for co-ordination with states for establishing river basin organisations as per National Water Policy, examination of project reports etc.

Civil & Structural Design of WR Projects
Civil & Structural Design of WR Projects

Overall Planning, Design, Consultancy and Appraisal for Civil Structural Design of WR Projects.

Dam Safety

Dams, being a major infrastructure component of water resources, play a vital role in providing overall water security to the country.

Flood Forecasting/ Hydrological
Flood Forecasting/ Hydrological Observation

CWC is responsible for Monitoring of Flood situation through Central Flood Control Room during monsson period.

Human Resource Management
Human Resource Management

This wing looks into administrative, establishment and personnel service matters

Hydro-mechanical Design of WR Administration Projects
Hydro-Mechanical Design of WR Projects

Overall planning, design and appraisal of hydro-mechanical equipment for water resources projects.


Technical appraisal of hydrological aspects like water availabilty, design flood, sedimentation, diversion flood etc.

Monitoring of Water Resources
Monitoring of Water Resources Projects

Monitoring of WR projects at Central Level is done by CWC under the aegis of three tier monitoring system.

River Management
River Management

This wing is responsible for, collection, compilation, storage and retrieval of hydrological and hydro-meteorological data

Survey and Investigation of WR Projects

Survey and Investigation work related to preparation of DPR for major/medium/multi-purpose WR projects.

Inter-state International Conflict
Water Disputes Resolution

All the major river basins and some among the medium river basins  are of inter-state nature.

Water Management
Water Management

Central Water Commission is monitoring the water quality of rivers since late 1950s and presently its water quality network is spread all over India.