Base de Plein Air Et de Loisirs de Moisson-Mousseaux
Yvelines, FranceView mapDirections
Eau France publishes the water-quality measurements for Base de Plein Air Et de Loisirs de Moisson-Mousseaux. Here is what has been measured.
- Limited data
Base de Plein Air Et de Loisirs de Moisson-Mousseaux in Yvelines, France has official water-quality measurements, shown as reported. Water clarity: 1.7 m visibility. Chlorophyll-a (algae): 3 µg/L.
How Base de Plein Air Et de Loisirs de Moisson-Mousseaux is classified
Base de Plein Air Et de Loisirs de Moisson-Mousseaux 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.
Base de Plein Air Et de Loisirs de Moisson-Mousseaux is a lake in Yvelines County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2025-09-18. 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 Base de Plein Air Et de Loisirs de Moisson-Mousseaux 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.
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Water quality measurements for Base de Plein Air Et de Loisirs de Moisson-Mousseaux
These are the measurements Eau France publishes for Base de Plein Air Et de Loisirs de Moisson-Mousseaux. More on the source.
Murky, only visible to about 5.6 ft. Chlorophyll-a 3 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.7m | 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) | 3µg/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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Frequently asked questions about Base de Plein Air Et de Loisirs de Moisson-Mousseaux
Where is Base de Plein Air Et de Loisirs de Moisson-Mousseaux?
- Base de Plein Air Et de Loisirs de Moisson-Mousseaux is a lake in Yvelines, France. This page reports official water-quality measurements, shown as reported.
What is the water quality of Base de Plein Air Et de Loisirs de Moisson-Mousseaux?
- Base de Plein Air Et de Loisirs de Moisson-Mousseaux in Yvelines, France has official water-quality measurements, shown as reported. Water clarity: 1.7 m visibility. Chlorophyll-a (algae): 3 µg/L.
Is Base de Plein Air Et de Loisirs de Moisson-Mousseaux safe to swim in?
- Base de Plein Air Et de Loisirs de Moisson-Mousseaux 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
21 measurements from 1 monitoring station, 2019–2025. 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-fr21 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
H3089403
Authority classifications are shown as the authority published them. See where the data comes from and data sources.