Etang de Laprade
Landes, FranceView mapDirections
Eau France publishes the water-quality measurements for Etang de Laprade. Here is what has been measured.
- Limited data
Etang de Laprade in Landes, France has official water-quality measurements, shown as reported. Water clarity: 1.3 m visibility. Chlorophyll-a (algae): 7.6 µg/L.
How Etang de Laprade is classified
Etang de Laprade in France is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity and algae (chlorophyll-a), but not phosphorus.
LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is 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. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Etang de Laprade is safe to swim in today is a call for the French water agencies, via UNEP GEMS/Water and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Etang de Laprade
These are the measurements Eau France publishes for Etang de Laprade. More on the source.
Murky, only visible to about 4.3 ft. Chlorophyll-a 7.6 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.3m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 7.6µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Etang de Laprade
Where is Etang de Laprade?
- Etang de Laprade is a lake in Landes, France. This page reports official water-quality measurements, shown as reported.
What is the water quality of Etang de Laprade?
- Etang de Laprade in Landes, France has official water-quality measurements, shown as reported. 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 shown as the authority published them. See where the data comes from and data sources.