Réservoir du Gabas
Réservoir du Gabas in Pyrénées-Atlantiques, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3.1 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 2.4 µg/L.
- Clarity
- 3.1 m
Why Réservoir du Gabas has no A–F grade
Réservoir du Gabas 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, phosphorus and algae (chlorophyll-a).
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.
Réservoir du Gabas is a lake in Pyrénées-Atlantiques County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2022-10-04. 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 Réservoir du Gabas
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Good clarity, visible to about 10 ft. Phosphorus level: 12 µg/L. Chlorophyll-a: 2.4 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.05 m | Not graded |
| Phosphorus | 12 µg/L | Not graded |
| Chlorophyll-a (Algae) | 2.4 µg/L | Not graded |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Réservoir du Gabas
Compare lakeside cabins, hotels, and vacation rentals near Réservoir du Gabas in Pyrénées-Atlantiques, 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 Réservoir du Gabas
Frequently asked questions about Réservoir du Gabas
What is the water quality of Réservoir du Gabas?
- Réservoir du Gabas in Pyrénées-Atlantiques, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3.1 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 2.4 µg/L.
Is Réservoir du Gabas safe to swim in?
- Réservoir du Gabas 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
44 measurements from 1 monitoring station, 2019–2022. 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-fr44 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
Q1305003
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.