Lac de Charpal
Lac de Charpal in Lozère, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.8 m visibility. Chlorophyll-a (algae): 6.4 µg/L.
- Clarity
- 1.8 m
Why Lac de Charpal has no A–F grade
Lac de Charpal 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 Charpal is a lake in Lozère 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 Charpal
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 5.7 ft. Chlorophyll-a: 6.4 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.75 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 6.4 µg/L | Not graded |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lac de Charpal
Compare lakeside cabins, hotels, and vacation rentals near Lac de Charpal in Lozère, 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 Charpal
Frequently asked questions about Lac de Charpal
What is the water quality of Lac de Charpal?
- Lac de Charpal in Lozère, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.8 m visibility. Chlorophyll-a (algae): 6.4 µg/L.
Is Lac de Charpal safe to swim in?
- Lac de Charpal 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 de Charpal across LakeGrade
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Where this data comes from
36 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-fr36 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
O7105003
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.