Lower Thames reservoirs
Thames Water · 👁 81 views
59.0%
full
Where it is
Approximate location. Satellite imagery © Esri.
Level history
This time of year, in past years
| Year | % full (nearest reading) |
|---|---|
| 2025 | 60.0% |
| 2024 | 80.0% |
| 2023 | 97.0% |
| 2022 | 50.0% |
| 2021 | 80.0% |
| 2020 | 79.0% |
| 2019 | 74.0% |
| 2018 | 55.0% |
| 2017 | 62.0% |
| 2016 | 81.0% |
| 2015 | 81.0% |
| 2014 | 86.0% |
| 2013 | 88.0% |
| 2012 | 93.0% |
| 2011 | 72.0% |
| 2010 | 91.0% |
| 2009 | 84.0% |
| 2008 | 97.0% |
| 2007 | 85.0% |
| 2006 | 80.0% |
| 2005 | 54.0% |
| 2004 | 79.0% |
| 2003 | 52.0% |
| 2002 | 79.0% |
| 2001 | 88.0% |
| 2000 | 97.0% |
| 1999 | 81.0% |
| 1998 | 81.0% |
| 1997 | 48.0% |
| 1996 | 47.0% |
| 1995 | 67.0% |
| 1994 | 85.0% |
| 1993 | 95.0% |
| 1992 | 98.0% |
| 1991 | 63.0% |
| 1990 | 50.0% |
| 1989 | 58.0% |
Nearest reading within 10 days either side of today's date, for each year on record.
El Niño 2026–27The tropical Pacific is running 3.3 °C above normal (week of 4–10 October 2026).What past El Niño winters brought Britain → Nearby river gauges
Where this comes from. Reservoir data © the UK water companies, from their published reservoir-level reports and the Stream water-industry open data portal (CC BY 4.0). Thames Water London history via the London Datastore (Open Government Licence v2). Figures are exactly as published by Thames Water — reporting day and
rounding vary. Levels older than 21 days are marked "last reported" rather than treated as current.