Etang Ferrier
Etang Ferrier in Corrèze, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2 m visibility. Phosphorus: 23 µg/L. Chlorophyll-a (algae): 9.6 µg/L.
- Clarity
- 2 m
Why Etang Ferrier has no A–F grade
Etang Ferrier 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, phosphorus and algae (chlorophyll-a).
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.
Etang Ferrier is a lake in Corrèze County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2021-10-05. 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 Etang Ferrier
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. Phosphorus level: 23 µg/L. Chlorophyll-a: 9.6 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.04 m | Not graded |
| Phosphorus | 23 µg/L | Not graded |
| Chlorophyll-a (Algae) | 9.6 µg/L | Not graded |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Etang Ferrier
Compare lakeside cabins, hotels, and vacation rentals near Etang Ferrier in Corrèze, 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 Etang Ferrier
Frequently asked questions about Etang Ferrier
What is the water quality of Etang Ferrier?
- Etang Ferrier in Corrèze, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2 m visibility. Phosphorus: 23 µg/L. Chlorophyll-a (algae): 9.6 µg/L.
Is Etang Ferrier safe to swim in?
- Etang Ferrier 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 Etang Ferrier across LakeGrade
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Where this data comes from
14 measurements from 1 monitoring station, 2021. 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-fr14 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
P1335103
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.