Where is Réservoir de Chaumeçon?

Réservoir de Chaumeçon is a lake in Nièvre, France. This page reports official water-quality measurements, shown as reported.

Is Réservoir de Chaumeçon safe to swim in?

Réservoir de Chaumeçon 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.

Réservoir de Chaumeçon

Nièvre, FranceView map Directions

Eau France publishes the water-quality measurements for Réservoir de Chaumeçon. Here is what has been measured.

Clarity

2.3 m

Typical for France

Secchi · sampled 2025

Chlorophyll-a

2.5 µg/L

Typical for France

Measured by Eau France

Limited data

See the measurements Directions Where to stay

Réservoir de Chaumeçon in Nièvre, France has official water-quality measurements, shown as reported. Water clarity: 2.3 m visibility. Chlorophyll-a (algae): 2.5 µg/L.

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How Réservoir de Chaumeçon is classified

Réservoir de Chaumeçon 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.

Réservoir de Chaumeçon is a lake in Nièvre County, France.

Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2025-09-26. 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 Réservoir de Chaumeçon 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 Réservoir de Chaumeçon

These are the measurements Eau France publishes for Réservoir de Chaumeçon. More on the source.

Moderate clarity, visible to about 7.5 ft. Chlorophyll-a 2.5 µg/L. TSI 44.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	2.3m	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)	2.5µg/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 Réservoir de Chaumeçon

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

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Stays near Réservoir de Chaumeçon

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Fishing Réservoir de Chaumeçon

→ Réservoir de Chaumeçon fishing regulations (limits, seasons, special rules)

Frequently asked questions about Réservoir de Chaumeçon

Where is Réservoir de Chaumeçon?: Réservoir de Chaumeçon is a lake in Nièvre, France. This page reports official water-quality measurements, shown as reported.
What is the water quality of Réservoir de Chaumeçon?: Réservoir de Chaumeçon in Nièvre, France has official water-quality measurements, shown as reported. Water clarity: 2.3 m visibility. Chlorophyll-a (algae): 2.5 µg/L.
Is Réservoir de Chaumeçon safe to swim in?: Réservoir de Chaumeçon 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, 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-fr24 samples · —

Analytical methods

Hub'Eau / Naïades plans d'eau

Monitoring station identifiers (1)

F3115753

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