Trevone Bay water quality history
Explore historical Environment Agency samples and annual bathing water classifications for Trevone Bay in Cornwall.
Trevone Bay is on the north coast of Cornwall. It is a fairly remote sandy beach, approximately 170 metres wide, in a sheltered cove. There is a stream which flows across the beach to the sea.
- Available sample history
- 1988 to 2026
- Samples
- 804
- 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 | Good | Official Environment Agency assessment |
| 2012 | Good | 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 | Sufficient | 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.
Nearby bathing waters
- Booby's BayCornwall
- Constantine BayCornwall
- Daymer BayCornwall
- Harlyn BayCornwall
- Mother Ivey`s BayCornwall
- Treyarnon BayCornwall