Official annual classification
LAC DE NANTUA - PLAGE DE LA COLONNE
2025: ExcellentNot a live safety signal. This is an annual official classification. Temporary pollution, algae, weather, currents or closures may change current conditions. Check the competent authority before swimming.
Quality history
Historical annual classifications from the EEA record, where available.
2025Excellent
2024Excellent
2023Excellent
2022Excellent
2021Excellent
2020Not classified
2019Not classified
2018Not classified
2017Not classified
2016Not classified
2015Not classified
History summary
5 of 5 classified seasons in the 2015–2025 record are Excellent; the previous classified season (2024) was Excellent.
Nearby official bathing waters
Closest records in France by straight-line distance. This is not road distance or a live safety ranking.
NANTUA - PLAGE DU STADE NAUTIQUE LAC DE NANTUA
Lake · Excellent0.7 kmPLAN D'EAU DE LE POIZAT - LALLEYRIAT
Lake · Excellent8.9 kmCHARIX - LAC GENIN
Lake · Excellent10.5 kmHAUTECOURT-ROMANECHE - PLAGE DE L'ILE CHAMBOD RIVIERE D'AIN
River · Excellent13.0 kmPONT D'AIN - RIVE GAUCHE DE L'AIN EN AMONT DU PONT SUR L'AIN
River · Excellent23.3 km
Lake · Excellent0.7 kmPLAN D'EAU DE LE POIZAT - LALLEYRIAT
Lake · Excellent8.9 kmCHARIX - LAC GENIN
Lake · Excellent10.5 kmHAUTECOURT-ROMANECHE - PLAGE DE L'ILE CHAMBOD RIVIERE D'AIN
River · Excellent13.0 kmPONT D'AIN - RIVE GAUCHE DE L'AIN EN AMONT DU PONT SUR L'AIN
River · Excellent23.3 km
Official source
Data source: European Environment Agency (EEA); bathing-water data and coordinates are reported by national authorities. Imported for this site on 2026-09-14.
Check national profile / current notices