Lake bathing water · France
Ret.grangent - Base Nautique
Ret.grangent - Base Nautique is officially classified Excellent for the 2025 bathing season. Rated Excellent in 6 of the last 8 classified seasons.
Classification history, 2015–2025
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.
| Season | Official classification |
|---|---|
| 2025 | Excellent |
| 2024 | Good |
| 2023 | Good |
| 2022 | Excellent |
| 2018 | Excellent |
| 2017 | Excellent |
| 2016 | Excellent |
| 2015 | Excellent |
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 Ret.grangent - Base Nautique
Other bathing waters near Ret.grangent - Base Nautique
- Ret.grangent - Vigie Mouette · Excellent
- Plan d'Eau Villeneuve · Not classified
- Plan d'Eau - la Deome · Excellent
- Barrage Lavalette · Excellent
- Plan d'Eau - le Chandieu · Excellent
- Plan d'Eau de St Antheme · Excellent
- Plan d'Eau · Good
- Le Lac de Devesset · Excellent