Lac du Bouchet
Lac du Bouchet in Haute-Loire, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 7.2 m visibility. Chlorophyll-a (algae): 1.2 µg/L.
- Clarity
- 7.2 m
Why Lac du Bouchet has no A–F grade
Lac du Bouchet 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 du Bouchet is a lake in Haute-Loire County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2023-10-05. 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 du Bouchet
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 23.6 ft down. Chlorophyll-a: 1.2 µg/L. Trophic State Index: 32.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.19 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 1.2 µg/L | Not graded |
| Trophic State Index (TSI) | 32 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lac du Bouchet
Compare lakeside cabins, hotels, and vacation rentals near Lac du Bouchet in Haute-Loire, 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 du Bouchet
Frequently asked questions about Lac du Bouchet
What is the water quality of Lac du Bouchet?
- Lac du Bouchet in Haute-Loire, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 7.2 m visibility. Chlorophyll-a (algae): 1.2 µg/L.
Is Lac du Bouchet safe to swim in?
- Lac du Bouchet 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.
Explore Lac du Bouchet across LakeGrade
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Where this data comes from
16 measurements from 1 monitoring station, 2018–2023. 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-fr16 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
K012900R
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.