Records in the live release
42,818
Release 2026-11-09.2, 12 November 2026. Its fingerprint: 3e5c75ade2db23360bd6c817e838a2c41330b9e2f9bc2056d6d91479f79a8d5e (what that is).
Datasets·UM-028·Water·Early access
Dam levels with full history
How full every major dam is, from the Department of Water and Sanitation's weekly report. Every week since April 2021.
01
What it holds
In more detail
Weekly storage for every major dam, water supply system and water management area in the Department of Water and Sanitation's weekly State of Dams report, every week since 26 April 2021, served by an API.
How far it reaches
All 227 dams in the Department of Water and Sanitation's weekly State of Dams: 224 in South Africa, Katse and Mohale in Lesotho and Maguga in Eswatini, in every weekly report from 26 October 2026 (latest 9 November 2026), each with last week's and last year's level; and before that every week back to 26 April 2021 that DWS's dated Weekly State of the Reservoirs copies hold (190 reports, 42,137 dam-weeks; 114 weeks have no copy on DWS's site and stay empty; 230 stations, three no longer reported). History grows week by week.
How often it changes
Weekly
DWS publishes the State of Dams every Monday, dated that Monday.
Where the figures come from
Department of Water and Sanitation. From the Department of Water and Sanitation's own reports. The department publishes no reuse terms; we have asked for permission and will update this line when it answers. Free and open meanwhile.
02
Measured accuracy
50 of 50 sampled records checked against the source page on 12 November 2026: no errors. The sample and any failures.
03
Get it
On this site
See the dams, free, no account.
Through the API
/v1/datasets/dam-levels/records, as JSON, CSV or Excel, with filters and any past date. Fields and filters. It takes a key.
All of it at once (Parquet)
The full history, built with release 2026-11-09. A download takes a key; the fingerprints are public. How to download a snapshot.
dam-levels-2026-11-09-records.parquet: 681 record rows (every release), 55 kB. sha256f1c70ed2a3e4fe98…dam-levels-2026-11-09-facts.parquet: 3,405 facts with their pages, 127 kB. sha256746279ef1561a99a…
For data portals
Described in DCAT in /catalog.json and on this page.
Stories that used it: South Africa’s dams are fuller than a year ago, except along two coasts · Is your tap water safe? Mostly. The sewage is another story
AlsoBack to all datasetsFields and filtersIs it current?Every releaseAccuracy