Where is Lac de la Cassiere?

Lac de la Cassiere is a lake in Puy-de-Dôme, France. This page reports official water-quality measurements, shown as reported.

Is Lac de la Cassiere safe to swim in?

Lac de la Cassiere 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 de la Cassiere

Puy-de-Dôme, FranceView map Directions

Eau France publishes the water-quality measurements for Lac de la Cassiere. Here is what has been measured.

Clarity

1.2 m

Typical for France

Secchi · sampled 2025

Chlorophyll-a

12.1 µg/L

Typical for France

Measured by Eau France

Limited data

See the measurements Directions Where to stay

Lac de la Cassiere in Puy-de-Dôme, France has official water-quality measurements, shown as reported. Water clarity: 1.2 m visibility. Chlorophyll-a (algae): 12.1 µg/L.

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How Lac de la Cassiere is classified

Lac de la Cassiere 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.

Lac de la Cassiere is a lake in Puy-de-Dôme County, France.

Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2025-09-23. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

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

Whether Lac de la Cassiere 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 de la Cassiere

These are the measurements Eau France publishes for Lac de la Cassiere. More on the source.

Murky, only visible to about 3.9 ft. Chlorophyll-a 12.1 µg/L. TSI 56.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.19m	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)	12.1µg/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.	56	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Lac de la Cassiere

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

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Stays near Lac de la Cassiere

Compare lakeside cabins, hotels, and vacation rentals near Lac de la Cassiere in Puy-de-Dôme, 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 Lac de la Cassiere

→ Lac de la Cassiere fishing regulations (limits, seasons, special rules)

Frequently asked questions about Lac de la Cassiere

Where is Lac de la Cassiere?: Lac de la Cassiere is a lake in Puy-de-Dôme, France. This page reports official water-quality measurements, shown as reported.
What is the water quality of Lac de la Cassiere?: Lac de la Cassiere in Puy-de-Dôme, France has official water-quality measurements, shown as reported. Water clarity: 1.2 m visibility. Chlorophyll-a (algae): 12.1 µg/L.
Is Lac de la Cassiere safe to swim in?: Lac de la Cassiere 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, 2016–2025. 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-fr24 samples · —

Analytical methods

Hub'Eau / Naïades plans d'eau

Monitoring station identifiers (1)

K269920

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