Where is Plan D'Eau de la Blanche?

Plan D'Eau de la Blanche is a lake in Gironde, France. This page reports official water-quality measurements, shown as reported.

Is Plan D'Eau de la Blanche safe to swim in?

Plan D'Eau de la Blanche 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.

Plan D'Eau de la Blanche

Gironde, FranceView map Directions

Eau France publishes the water-quality measurements for Plan D'Eau de la Blanche. Here is what has been measured.

Clarity

3.7 m

Clearer than most

Secchi · sampled 2022

Phosphorus

22.5 µg/L

Typical for France

Measured by Eau France

Chlorophyll-a

1.9 µg/L

Less algae than most

Measured by Eau France

Limited data

See the measurements Directions Where to stay

Plan D'Eau de la Blanche in Gironde, France has official water-quality measurements, shown as reported. Water clarity: 3.7 m visibility. Phosphorus: 22.5 µg/L. Chlorophyll-a (algae): 1.9 µg/L.

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How Plan D'Eau de la Blanche is classified

Plan D'Eau de la Blanche 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.

Plan D'Eau de la Blanche is a lake in Gironde County, France.

Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2022-09-12. Methodology: how these readings are compared.

What Plan D'Eau de la Blanche is good for

From access and monitoring records, not editorial picks.

Clear water12.1 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 Plan D'Eau de la Blanche 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 Plan D'Eau de la Blanche

These are the measurements Eau France publishes for Plan D'Eau de la Blanche. More on the source.

Good clarity, visible to about 12.1 ft. Phosphorus 22.5 µg/L. Chlorophyll-a 1.9 µg/L. TSI 42.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.7m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	22.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.9µg/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.	42	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Plan D'Eau de la Blanche

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

Stays via Stay22

Stays near Plan D'Eau de la Blanche

Compare lakeside cabins, hotels, and vacation rentals near Plan D'Eau de la Blanche 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 Plan D'Eau de la Blanche

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Fishing Plan D'Eau de la Blanche

→ Plan D'Eau de la Blanche fishing regulations (limits, seasons, special rules)

Frequently asked questions about Plan D'Eau de la Blanche

Where is Plan D'Eau de la Blanche?: Plan D'Eau de la Blanche is a lake in Gironde, France. This page reports official water-quality measurements, shown as reported.
What is the water quality of Plan D'Eau de la Blanche?: Plan D'Eau de la Blanche in Gironde, France has official water-quality measurements, shown as reported. Water clarity: 3.7 m visibility. Phosphorus: 22.5 µg/L. Chlorophyll-a (algae): 1.9 µg/L.
Is Plan D'Eau de la Blanche safe to swim in?: Plan D'Eau de la Blanche 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

12 measurements from 1 monitoring station, 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-fr12 samples · —

Analytical methods

Hub'Eau / Naïades plans d'eau

Monitoring station identifiers (1)

O97-5103

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