Henleaze Lake water quality history

Explore historical Environment Agency samples and annual bathing water classifications for Henleaze Lake in City of Bristol.

Henleaze Lake is situated in the Bristol suburb of Henleaze, 3 miles from the city centre. This former quarry is approximately four hundred metres long and thirty metres wide, with an average depth of three metres increasing to six metres under the diving area. Swimming access is via pontoons and diving boards at the southern end of the lake. There is no beach at the lake; however a lawn area exists at the southern end, a steep rock face around the north and eastern edges and a wooded bank on the west shore. The lake is entirely spring-fed and has a variety of recreational uses, principally swimming and angling. The Lake is open to members and their guests only, from May to September

Available sample history
2014 to 2026
Samples
247
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
2024GoodOfficial Environment Agency assessment
2023GoodOfficial 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

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