Base Nautique de Venables
Base Nautique de Venables in Eure, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1 m visibility. Chlorophyll-a (algae): 17.5 µg/L.
- Clarity
- 1 m
Why Base Nautique de Venables has no A–F grade
Base Nautique de Venables 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.
Base Nautique de Venables is a lake in Eure County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2024-09-18. 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 Base Nautique de Venables
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 3.3 ft of visibility. Chlorophyll-a: 17.5 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 17.5 µg/L | Not graded |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Base Nautique de Venables
Compare lakeside cabins, hotels, and vacation rentals near Base Nautique de Venables in Eure, 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 Base Nautique de Venables
Frequently asked questions about Base Nautique de Venables
What is the water quality of Base Nautique de Venables?
- Base Nautique de Venables in Eure, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1 m visibility. Chlorophyll-a (algae): 17.5 µg/L.
Is Base Nautique de Venables safe to swim in?
- Base Nautique de Venables 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
20 measurements from 1 monitoring station, 2018–2024. 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-fr20 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
H3229463
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.