Ainsdale water quality history

Explore historical Environment Agency samples and annual bathing water classifications for Ainsdale in Sefton.

The bathing water is a resort beach on the Sefton coastline in North West England. Ainsdale beach has a large expanse of sand throughout the tidal cycle and is very shallow in profile. Immediately behind the beach is a holiday park, boating lake and extensive sand dunes.

Available sample history
1988 to 2026
Samples
871
Latest official classification
Sufficient (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
2025SufficientOfficial Environment Agency assessment
2024SufficientOfficial Environment Agency assessment
2023SufficientOfficial Environment Agency assessment
2022GoodOfficial Environment Agency assessment
2021GoodOfficial Environment Agency assessment
2019GoodOfficial Environment Agency assessment
2018GoodOfficial Environment Agency assessment
2017GoodOfficial Environment Agency assessment
2016GoodOfficial Environment Agency assessment
2015GoodOfficial Environment Agency assessment
2014SufficientOfficial Environment Agency assessment
2013SufficientOfficial Environment Agency assessment
2012PoorOfficial Environment Agency assessment
2011PoorOfficial Environment Agency assessment
2010PoorOfficial Environment Agency assessment
2009SufficientHistorical estimate
2008SufficientHistorical estimate
2007SufficientHistorical estimate
2006SufficientHistorical estimate
2005SufficientHistorical estimate
2004PoorHistorical estimate
2003PoorHistorical estimate
2002PoorHistorical estimate
2001PoorHistorical estimate
2000PoorHistorical estimate
1999PoorHistorical estimate
1998PoorHistorical estimate
1997PoorHistorical estimate
1996PoorHistorical estimate
1995PoorHistorical estimate
1994PoorHistorical estimate
1993PoorHistorical estimate
1992PoorHistorical estimate
1991Not assessedHistorical estimate
1990Not assessedHistorical 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