Barrage du Lizet
Barrage du Lizet in Gers, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.6 m visibility. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 7.9 µg/L.
- Clarity
- 0.6 m
Why Barrage du Lizet has no A–F grade
Barrage du Lizet 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 du Lizet is a lake in Gers County, France.
Source: the French water agencies, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2020-09-28. Grade methodology: LakeGrade methodology.
Watch Barrage du Lizet 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 du Lizet
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 2.1 ft of visibility. Phosphorus level: 27 µg/L. Chlorophyll-a: 7.9 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.63 m | Not graded |
| Phosphorus | 27 µg/L | Not graded |
| Chlorophyll-a (Algae) | 7.9 µg/L | Not graded |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Barrage du Lizet
Compare lakeside cabins, hotels, and vacation rentals near Barrage du Lizet 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 du Lizet
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 du Lizet
Frequently asked questions about Barrage du Lizet
What is the water quality of Barrage du Lizet?
- Barrage du Lizet in Gers, France has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.6 m visibility. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 7.9 µg/L.
Is Barrage du Lizet safe to swim in?
- Barrage du Lizet 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 du Lizet across LakeGrade
More lakes in France
Where this data comes from
20 measurements from 1 monitoring station, 2020. 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)
O6825003
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.