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LakeQuality

Lake bathing water · France

Etang de Diefenbach

Not classifiedStable over 11 seasons

Etang de Diefenbach is officially classified Not classified for the 2025 bathing season. Rated Excellent in 4 of the last 4 classified seasons.

Classification history, 20152025

The EU Bathing Water Directive classifies each designated bathing water once a year from four seasons of E. coli and intestinal enterococci samples. One season is a snapshot; the run below is the pattern.

Official bathing water classification by season
SeasonOfficial classification
2025Not classified
2024Not classified
2023Not classified
2022Not classified
2021Not classified
2020Not classified
2019Not classified
2018Excellent
2017Excellent
2016Excellent
2015Excellent

What this rating covers

This is the official classification published by France under the EU Bathing Water Directive (2006/7/EC). It reflects measured bacteriological levels — E. coli and intestinal enterococci — over four bathing seasons. It is not a safety clearance, and it does not cover algal blooms, nutrients, water clarity or hazards such as currents and depth. Conditions change after heavy rain. Always check local signage and the operator’s current notices before entering the water.

Official national bathing water profile for Etang de Diefenbach

Other bathing waters near Etang de Diefenbach

Source: European Environment Agency (EEA), Bathing Water Directive. CC-BY 4.0.

Site identifier FRF3357556D057185. Coordinates 49.04319, 6.89124.