Poole Harbour Lake water quality history
Explore historical Environment Agency samples and annual bathing water classifications for Poole Harbour Lake in Bournemouth, Christchurch and Poole.
Poole Harbour Lake is in Poole Harbour on the Dorset coast. It is a quiet sand and mud beach, approximately 340 metres wide, surrounded by a nature reserve.
- Available sample history
- 1988 to 2026
- Samples
- 788
- Latest official classification
- Excellent (2025)
Interactive charts are loading. The classification history is available below.
Annual classification history
Official assessments and historical estimates are labelled separately. Missing years are not filled in.
| Year | Classification | Assessment source |
|---|---|---|
| 2025 | Excellent | Official Environment Agency assessment |
| 2024 | Excellent | Official Environment Agency assessment |
| 2023 | Excellent | Official Environment Agency assessment |
| 2022 | Excellent | Official Environment Agency assessment |
| 2021 | Excellent | Official Environment Agency assessment |
| 2019 | Excellent | Official Environment Agency assessment |
| 2018 | Excellent | Official Environment Agency assessment |
| 2017 | Excellent | Official Environment Agency assessment |
| 2016 | Excellent | Official Environment Agency assessment |
| 2015 | Excellent | Official Environment Agency assessment |
| 2014 | Excellent | Official Environment Agency assessment |
| 2013 | Excellent | Official Environment Agency assessment |
| 2012 | Excellent | Official Environment Agency assessment |
| 2011 | Excellent | Official Environment Agency assessment |
| 2010 | Excellent | Official Environment Agency assessment |
| 2009 | Excellent | Historical estimate |
| 2008 | Excellent | Historical estimate |
| 2007 | Excellent | Historical estimate |
| 2006 | Excellent | Historical estimate |
| 2005 | Excellent | Historical estimate |
| 2004 | Excellent | Historical estimate |
| 2003 | Excellent | Historical estimate |
| 2002 | Sufficient | Historical estimate |
| 2001 | Sufficient | Historical estimate |
| 2000 | Sufficient | Historical estimate |
| 1999 | Sufficient | Historical estimate |
| 1998 | Sufficient | Historical estimate |
| 1997 | Sufficient | Historical estimate |
| 1996 | Sufficient | Historical estimate |
| 1995 | Sufficient | Historical estimate |
| 1994 | Sufficient | Historical estimate |
| 1993 | Sufficient | Historical estimate |
| 1992 | Sufficient | Historical estimate |
| 1991 | Sufficient | Historical estimate |
| 1990 | Sufficient | Historical estimate |
| 1989 | Not assessed | Historical estimate |
| 1988 | Not assessed | Historical estimate |
Source: Environment Agency / Swimfo. Data retrieved 16 October 2026. Historical trends do not describe conditions today; check Swimfo and local notices for current advice.
Nearby bathing waters
- Poole Canford Cliffs ChineBournemouth, Christchurch and Poole
- Poole Harbour Rockley SandsBournemouth, Christchurch and Poole
- Poole Sandbanks PeninsularBournemouth, Christchurch and Poole
- Poole Shore Road BeachBournemouth, Christchurch and Poole
- Shell Bay NorthDorset
- Studland Knoll HouseDorset