Lac de Bage
Lac de Bage in Aveyron, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.1 m visibility. Chlorophyll-a (algae): 3 µg/L.
- Clarity
- 2.1 m
Why Lac de Bage has no A–F grade
Lac de Bage in France is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity and algae (chlorophyll-a), but not phosphorus.
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the French water agencies, via UNEP GEMS/Water.
Lac de Bage is a lake in Aveyron County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2022-10-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lac de Bage
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Moderate clarity, visible to about 6.7 ft. Chlorophyll-a: 3 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.05 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 3 µg/L | Not graded |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac de Bage
Compare lakeside cabins, hotels, and vacation rentals near Lac de Bage in Aveyron, France — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Lac de Bage
Frequently asked questions about Lac de Bage
What is the water quality of Lac de Bage?
- Lac de Bage in Aveyron, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.1 m visibility. Chlorophyll-a (algae): 3 µg/L.
Is Lac de Bage safe to swim in?
- Lac de Bage has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
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Where this data comes from
47 measurements from 1 monitoring station, 2016–2022. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-20.
Collected and reported by
- Office français de la biodiversité (Hub'Eau)
hubeau-fr47 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
O5325023
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.