Porthtowan water quality history

Explore historical Environment Agency samples and annual bathing water classifications for Porthtowan in Cornwall.

Porthtowan is on the north coast of Cornwall. It is a sandy beach resort, approximately 370 metres wide, backed by cliffs. There is a stream that disperses over the sand in the centre of the beach.

Available sample history
1988 to 2026
Samples
685
Latest official classification
Excellent (2025)

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Annual classification history

Official assessments and historical estimates are labelled separately. Missing years are not filled in.

Available annual results, newest first
YearClassificationAssessment source
2025ExcellentOfficial Environment Agency assessment
2024ExcellentOfficial Environment Agency assessment
2023ExcellentOfficial Environment Agency assessment
2022ExcellentOfficial Environment Agency assessment
2021ExcellentOfficial Environment Agency assessment
2019ExcellentOfficial Environment Agency assessment
2018ExcellentOfficial Environment Agency assessment
2017ExcellentOfficial Environment Agency assessment
2016ExcellentOfficial Environment Agency assessment
2015ExcellentOfficial Environment Agency assessment
2014ExcellentOfficial Environment Agency assessment
2013ExcellentOfficial Environment Agency assessment
2012ExcellentOfficial Environment Agency assessment
2011ExcellentOfficial Environment Agency assessment
2010ExcellentOfficial Environment Agency assessment
2009ExcellentHistorical estimate
2008ExcellentHistorical estimate
2007ExcellentHistorical estimate
2006GoodHistorical estimate
2005GoodHistorical estimate
2004GoodHistorical estimate
2003GoodHistorical estimate
2002SufficientHistorical estimate
2001SufficientHistorical estimate
2000SufficientHistorical estimate
1999GoodHistorical estimate
1998GoodHistorical estimate
1997GoodHistorical estimate
1996GoodHistorical estimate
1995GoodHistorical estimate
1994GoodHistorical estimate
1993GoodHistorical estimate
1992GoodHistorical estimate
1991GoodHistorical estimate
1990GoodHistorical estimate
1989Not assessedHistorical estimate
1988Not assessedHistorical 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