Barrage de Lunax
Barrage de Lunax in Gers, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.8 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.5 µg/L.
- Clarity
- 2.8 m
Why Barrage de Lunax has no A–F grade
Barrage de Lunax 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.
Barrage de Lunax is a lake in Gers County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2024-09-26. Grade methodology: LakeGrade methodology.
Watch Barrage de Lunax water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
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 Lunax
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Moderate clarity, visible to about 9.3 ft. Phosphorus level: 10 µg/L. Chlorophyll-a: 1.5 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.84 m | Not graded |
| Phosphorus | 10 µg/L | Not graded |
| Chlorophyll-a (Algae) | 1.5 µg/L | Not graded |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Barrage de Lunax
Compare lakeside cabins, hotels, and vacation rentals near Barrage de Lunax in Gers, 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 Barrage de Lunax
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Barrage de Lunax
Frequently asked questions about Barrage de Lunax
What is the water quality of Barrage de Lunax?
- Barrage de Lunax in Gers, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.8 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.5 µg/L.
Is Barrage de Lunax safe to swim in?
- Barrage de Lunax 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.
Explore Barrage de Lunax across LakeGrade
More lakes in France
Where this data comes from
76 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-fr76 samples · —
Analytical methods
- Hub'Eau / Naïades plans d'eau
Monitoring station identifiers (1)
O2705023
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.