Department of Water and Sanitation
South African hydrological services and Green/Blue Drop reporting
Department of Water and Sanitation is the government department or statistical office for South Africa. It publishes South African dam levels, river flow, groundwater monitoring, and the Blue Drop and Green Drop assessments that score every municipal drinking water and wastewater system in the country.
Rights
- Licence
- Publisher terms — public access, reuse not clearly granted
- Commercial reuse
- Not clearly stated
- Redistribution
- No
- Derivative use
- Not clearly stated
- Attribution required
- YesData from Department of Water and Sanitation, used under Publisher terms — public access, reuse not clearly granted.
- Restrictions
- Freely viewable, but the publisher does not state an open reuse licence. Hydrionis cites and links rather than redistributing.
- Terms last checked
- 23 August 2026
Access and coverage
- Publisher
- Department of Water and Sanitation
- Website
- https://www.dws.gov.za/
- Geographic coverage
- South Africa
- Temporal coverage
- 1960 onwards
- Update frequency
- weekly
- Formats
- csv, pdf, html
- Bulk download
- Available
- Registration required
- No
- Cost to Hydrionis
- Free
- Domains
- reservoir, river flow, quality, wastewater, utility performance
Notes
The Blue Drop and Green Drop programmes are unusual internationally: they publish named, scored assessments of individual municipal systems, making national drinking water and wastewater performance directly comparable within the country.