Barrage de Lavaud
Barrage de Lavaud in Charente, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Chlorophyll-a (algae): 12.6 µg/L.
- Clarity
- 1.3 m
Why Barrage de Lavaud has no A–F grade
Barrage de Lavaud in France is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity and algae (chlorophyll-a), but not phosphorus.
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the French water agencies, via UNEP GEMS/Water.
Barrage de Lavaud is a lake in Charente County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2023-09-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Barrage de Lavaud
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 4.1 ft. Chlorophyll-a: 12.6 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.25 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 12.6 µg/L | Not graded |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Barrage de Lavaud
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Fishing Barrage de Lavaud
Frequently asked questions about Barrage de Lavaud
What is the water quality of Barrage de Lavaud?
- Barrage de Lavaud in Charente, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Chlorophyll-a (algae): 12.6 µg/L.
Is Barrage de Lavaud safe to swim in?
- Barrage de Lavaud 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
40 measurements from 1 monitoring station, 2016–2023. 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-fr40 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
R0005023
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.