Lac du Moutchic
Gironde, FranceView mapDirections
Eau France publishes the water-quality measurements for Lac du Moutchic. Here is what has been measured.
- Limited data
Lac du Moutchic in Gironde, France has official water-quality measurements, shown as reported. Water clarity: 3 m visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 3.4 µg/L.
How Lac du Moutchic is classified
Lac du Moutchic 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, phosphorus and algae (chlorophyll-a).
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.
Lac du Moutchic is a lake in Gironde County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2024-09-23. 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 Lac du Moutchic 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 Lac du Moutchic
These are the measurements Eau France publishes for Lac du Moutchic. More on the source.
Moderate clarity, visible to about 9.7 ft. Phosphorus 19 µg/L. Chlorophyll-a 3.4 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.95m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 3.4µg/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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lac du Moutchic
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Lac du Moutchic
Compare lakeside cabins, hotels, and vacation rentals near Lac du Moutchic in Gironde, 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.
Top-rated places to stay near Lac du Moutchic
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Lac du Moutchic’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lac du Moutchic
Frequently asked questions about Lac du Moutchic
Where is Lac du Moutchic?
- Lac du Moutchic is a lake in Gironde, France. This page reports official water-quality measurements, shown as reported.
What is the water quality of Lac du Moutchic?
- Lac du Moutchic in Gironde, France has official water-quality measurements, shown as reported. Water clarity: 3 m visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 3.4 µg/L.
Is Lac du Moutchic safe to swim in?
- Lac du Moutchic 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 du Moutchic across LakeQuality
More lakes in France
Where this data comes from
48 measurements from 1 monitoring station, 2018–2024. 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-fr48 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
----1543
Authority classifications are shown as the authority published them. See where the data comes from and data sources.