Data Sources

Where our numbers come from, how often they update and the terms under which we use them.

Central Water Commission — Weekly Reservoir Storage Bulletin

Website
cwc.gov.in
Method
Automated feed
Licence / terms
Government of India publication — check CWC terms before reuse
Attribution
Central Water Commission (CWC), Ministry of Jal Shakti

India-WRIS (NWIC) — Reservoir & river data

Website
indiawris.gov.in
Method
Automated feed
Licence / terms
Check India-WRIS / NWIC terms of use before reuse
Attribution
India-WRIS, National Water Informatics Centre (NWIC)

Open Government Data Platform (data.gov.in) — CWC daily reservoir level

Website
www.data.gov.in
Method
Automated feed
Licence / terms
Government Open Data License – India (GODL-India)
Attribution
Central Water Commission via data.gov.in (GODL-India)

State Water Resources / Irrigation Department (manual upload)

Method
Published bulletins / tables imported by our editors
Licence / terms
Per department — record terms here

Where a publisher offers no API we import its published tables manually and record the bulletin date as the observation time. We do not scrape sites that prohibit automated access.