Etang de Laprade
Etang de Laprade in Landes, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Chlorophyll-a (algae): 7.6 µg/L.
- Clarity
- 1.3 m
Why Etang de Laprade has no A–F grade
Etang de Laprade 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.
Etang de Laprade is a lake in Landes County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2022-11-21. 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 de Laprade
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 4.3 ft. Chlorophyll-a: 7.6 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.3 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 7.6 µg/L | Not graded |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Etang de Laprade
Compare lakeside cabins, hotels, and vacation rentals near Etang de Laprade in Landes, 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 de Laprade
Frequently asked questions about Etang de Laprade
What is the water quality of Etang de Laprade?
- Etang de Laprade in Landes, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Chlorophyll-a (algae): 7.6 µg/L.
Is Etang de Laprade safe to swim in?
- Etang de Laprade 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
24 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-fr24 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
S4285013
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.