Unmapped Dataworks

Free tools · Measured from space

Surface water in Ward 14, Drakenstein

In 2025, Ward 14, Drakenstein had none of open water on average, none of it nearly all year. The wettest year since 1984 was 1995 (0.01 km²); the driest 1984 (none).

Open water seen on the ground from space: dams, lakes, rivers wide enough to see, pans, wetlands with open water and flooded fields. Each year, the Landsat satellites look at every 30 m spot many times; where the sky is clear, each look says water or not. The average water area counts each spot for the share of its clear looks that were wet. Permanent water was wet in more than 80% of the clear looks; seasonal water was wet at least once but less often than that.

What it isn’t: not how full a dam is (that is the Department of Water and Sanitation’s weekly level, by volume), not groundwater, not rain, and not water in pipes or tanks. Narrow rivers, water under trees or bridges and anything smaller than about 30 m are missed. A year with few clear looks (cloud, or the early years when fewer satellites flew) is less sure, and 1988 is missing everywhere because Digital Earth Africa does not have it: a missing year is left out, never counted as dry.

2025

The wettest and driest years

Among the 41 years in which at least 90% as much of the place was seen as in its best year, so a cloudy year cannot pass for a dry one.

Every year since 1984

1984: none on average, none permanent1985: none on average, none permanent1986: none on average, none permanent1987: none on average, none permanent1988: not held1989: none on average, none permanent1990: none on average, none permanent1991: none on average, none permanent1992: none on average, none permanent1993: none on average, none permanent1994: none on average, none permanent1995: 0.01 km² on average, none permanent1996: none on average, none permanent1997: none on average, none permanent1998: none on average, none permanent1999: none on average, none permanent2000: none on average, none permanent2001: none on average, none permanent2002: none on average, none permanent2003: none on average, none permanent2004: none on average, none permanent2005: none on average, none permanent2006: none on average, none permanent2007: none on average, none permanent2008: none on average, none permanent2009: none on average, none permanent2010: none on average, none permanent2011: none on average, none permanent2012: none on average, none permanent2013: none on average, none permanent2014: none on average, none permanent2015: none on average, none permanent2016: none on average, none permanent2017: none on average, none permanent2018: none on average, none permanent2019: none on average, none permanent2020: 0.01 km² on average, none permanent2021: none on average, none permanent2022: none on average, none permanent2023: none on average, none permanent2024: none on average, none permanent2025: none on average, none permanent198519901995200020052010201520202025
The average water area each year (the whole bar), and the part that was water nearly all year (darker). A gap is a year Digital Earth Africa does not have.
Show the numbers
The average water area each year, 1984 to 2025: every figure
When or whatFigure
1984none on average, none permanent
1985none on average, none permanent
1986none on average, none permanent
1987none on average, none permanent
1988not held
1989none on average, none permanent
1990none on average, none permanent
1991none on average, none permanent
1992none on average, none permanent
1993none on average, none permanent
1994none on average, none permanent
19950.01 km² on average, none permanent
1996none on average, none permanent
1997none on average, none permanent
1998none on average, none permanent
1999none on average, none permanent
2000none on average, none permanent
2001none on average, none permanent
2002none on average, none permanent
2003none on average, none permanent
2004none on average, none permanent
2005none on average, none permanent
2006none on average, none permanent
2007none on average, none permanent
2008none on average, none permanent
2009none on average, none permanent
2010none on average, none permanent
2011none on average, none permanent
2012none on average, none permanent
2013none on average, none permanent
2014none on average, none permanent
2015none on average, none permanent
2016none on average, none permanent
2017none on average, none permanent
2018none on average, none permanent
2019none on average, none permanent
20200.01 km² on average, none permanent
2021none on average, none permanent
2022none on average, none permanent
2023none on average, none permanent
2024none on average, none permanent
2025none on average, none permanent
YearWater on averagePermanentSeasonalWet at some pointSeen
2025nonenonenonenone100%
2024nonenone0.01 km²0.01 km²100%
2023nonenone0.09 km²0.09 km²100%
2022nonenone0.04 km²0.04 km²100%
2021nonenone0.03 km²0.03 km²100%
20200.01 km²none0.30 km²0.30 km²100%
2019nonenonenonenone100%
2018nonenonenonenone100%
2017nonenonenonenone100%
2016nonenonenonenone100%
2015nonenonenonenone100%
2014nonenonenonenone100%
2013nonenonenonenone100%
2012nonenonenonenone100%
2011nonenonenonenone100%
2010nonenonenonenone100%
2009nonenonenonenone100%
2008nonenonenonenone100%
2007nonenonenonenone100%
2006nonenonenonenone100%
2005nonenone0.02 km²0.02 km²100%
2004nonenonenonenone100%
2003nonenonenonenone100%
2002nonenonenonenone100%
2001nonenonenonenone100%
2000nonenonenonenone100%
1999nonenonenonenone100%
1998nonenonenonenone100%
1997nonenonenonenone100%
1996nonenonenonenone100%
19950.01 km²none0.04 km²0.04 km²100%
1994nonenonenonenone100%
1993nonenonenonenone100%
1992nonenonenonenone100%
1991nonenonenonenone100%
1990nonenonenonenone100%
1989nonenonenonenone100%
1987nonenonenonenone100%
1986nonenonenonenone100%
1985nonenonenonenone100%
1984nonenonenonenone100%

A year missing from the table is one Digital Earth Africa does not have for this place (1988 everywhere, 1985 in some places).

Every municipality, ranked · On the explore map

Source

Measured from space by the American Landsat satellites: not a survey on the ground.

Credits and how we worked this out

Water Observations from Space, Digital Earth Africa (CC BY 4.0), modified: we counted each 30 m pixel over every 2026 ward and added the wards up into municipalities, districts and provinces. Under CC BY 4.0, from the AWS Registry of Open Data.

Landsat imagery courtesy of the U.S. Geological Survey.

Mueller, N. and others (2016): Water observations from space: mapping surface water from 25 years of Landsat imagery across Australia, Remote Sensing of Environment 174, 341 to 352.

Dataset: surface water by ward, release of 12 November 2026.

Unmapped Dataworks