Mawgan Porth water quality history
Explore historical Environment Agency samples and annual bathing water classifications for Mawgan Porth in Cornwall.
Mawgan Porth is on the north coast of Cornwall. It is a rural, sandy beach, approximately 720 metres wide, backed by sand dunes and cliffs. The River Menalhyl flows across the beach to the sea.
- Available sample history
- 1988 to 2026
- Samples
- 785
- 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 | Good | Historical estimate |
| 2008 | Good | Historical estimate |
| 2007 | Good | Historical estimate |
| 2006 | Good | Historical estimate |
| 2005 | Good | Historical estimate |
| 2004 | Good | Historical estimate |
| 2003 | Sufficient | Historical estimate |
| 2002 | Sufficient | Historical estimate |
| 2001 | Sufficient | Historical estimate |
| 2000 | Sufficient | Historical estimate |
| 1999 | Sufficient | Historical estimate |
| 1998 | Poor | Historical estimate |
| 1997 | Poor | Historical estimate |
| 1996 | Poor | Historical estimate |
| 1995 | Poor | Historical estimate |
| 1994 | Poor | Historical estimate |
| 1993 | Poor | Historical estimate |
| 1992 | Poor | Historical estimate |
| 1991 | Poor | Historical estimate |
| 1990 | Poor | 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.
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