Where is Lac des Fourrières?

Lac des Fourrières is a lake in Tarn-et-Garonne, France. This page reports official water-quality measurements, shown as reported.

Is Lac des Fourrières safe to swim in?

Lac des Fourrières 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.

Lac des Fourrières

Tarn-et-Garonne, FranceView map Directions

Eau France publishes the water-quality measurements for Lac des Fourrières. Here is what has been measured.

Clarity

3.8 m

Clearer than most

Secchi · sampled 2022

Phosphorus

16 µg/L

Less phosphorus than most

Measured by Eau France

Chlorophyll-a

4.7 µg/L

Typical for France

Measured by Eau France

Limited data

See the measurements Directions Where to stay

Lac des Fourrières in Tarn-et-Garonne, France has official water-quality measurements, shown as reported. Water clarity: 3.8 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 4.7 µg/L.

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How Lac des Fourrières is classified

Lac des Fourrières 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 des Fourrières is a lake in Tarn-et-Garonne County, France.

Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2022-10-04. Methodology: how these readings are compared.

What Lac des Fourrières is good for

From access and monitoring records, not editorial picks.

Clear water12.3 ft of visibility

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lac des Fourrières 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 Lac des Fourrières

These are the measurements Eau France publishes for Lac des Fourrières. More on the source.

Good clarity, visible to about 12.3 ft. Phosphorus 16 µg/L. Chlorophyll-a 4.7 µg/L. TSI 44.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.75m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	16µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	4.7µg/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.	44	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Lac des Fourrières

Answers come straight from the public measurements and survey records on this page.

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Stays near Lac des Fourrières

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Fishing Lac des Fourrières

→ Lac des Fourrières fishing regulations (limits, seasons, special rules)

Frequently asked questions about Lac des Fourrières

Where is Lac des Fourrières?: Lac des Fourrières is a lake in Tarn-et-Garonne, France. This page reports official water-quality measurements, shown as reported.
What is the water quality of Lac des Fourrières?: Lac des Fourrières in Tarn-et-Garonne, France has official water-quality measurements, shown as reported. Water clarity: 3.8 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 4.7 µg/L.
Is Lac des Fourrières safe to swim in?: Lac des Fourrières 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

50 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-fr50 samples · —

Analytical methods

Hub'Eau / Naïades plans d'eau

Monitoring station identifiers (1)

O5985003

Authority classifications are shown as the authority published them. See where the data comes from and data sources.