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A major flood · 2025

Floods, Tarn-et-Garonne and 5 other départements, May 2025

Tarn-et-GaronneTarnHaute-GaronneLot-et-GaronneLandesGers
In blue, the communes declared for this flood: this blue is not the water. In white, the water detected by radar (Copernicus GFM, Sentinel-1). Hover over a département to read its name. Map: Animalert, from GASPAR (Géorisques), Copernicus EMS, Global Flood Monitoring (© European Union) and IGN ADMIN EXPRESS. Contains modified Copernicus Emergency Management Service information (2026)

  • 457 hectares of water detected by radar (Copernicus GFM, Sentinel-1)

  • 1 hectares in Natura 2000 or under regulatory protection

    0% of the observed flooded area

  • 20 protected animal species recorded within reach in the ten years before the flood

Communes declared
139
Dates per the orders
18 to 20 May 2025
Départements
Tarn-et-Garonne, Tarn, Haute-Garonne, Lot-et-Garonne, Landes and Gers
Flood type
river flooding, runoff or mudflow
Heaviest rainfall
119.8 mm
in one day (Tarn, 19 May 2025), PUYCELSI station · per Météo-France
  1. 14 May 2025: 1.6 mm
  2. 15 May 2025: 0.8 mm
  3. 16 May 2025: 0 mm
  4. 17 May 2025: 0 mm
  5. 18 May 2025: 0 mm
  6. 19 May 2025: 119.8 mm
  7. 20 May 2025: 7 mm
  8. 21 May 2025: 2.8 mm
  9. 22 May 2025: 0 mm

119.8 mm from 17 to 19 May, up to the wettest day

The flood's dates

Peak discharge
1,666 m³/s
La Garonne à Tonneins, on 21 May 2025 · per Hub'Eau
Extent
water detected by radar (Copernicus GFM, Sentinel-1)
457 ha

Protected species recorded within reach

Observations recorded in the ten years before the flood, some known only to within a few kilometres, up to 10 km, when their published position is blurred or given by grid square. They tell which species were reported there, not what became of each animal.

  • 46 species recorded within reach

  • 20 protected animal species among them

  • 20 Birds

In the water's path

Establishments registered today within reach of the flood, at their declared address or at the point Géorisques gives. They were not necessarily there on the day of the flood, and the dataset does not say whether they were flooded. An ICPE-classified farm can also be in the SIRENE register: these counts do not add up.

  • No ICPE-classified livestock farm located within the flood's reach

    Géorisques · ICPE

  • No livestock business in the SIRENE register based within the flood's reach

    SIRENE register · Insee

  • No veterinary practice based within the flood's reach

    SIRENE register · Insee

  • No animal protection association based within the flood's reach

    National register of associations

  • No wildlife association based within the flood's reach

    National register of associations

A wildlife association is an association whose declared purpose in the national register of associations is the preservation of wildlife: the register does not say whether it runs an authorised care centre. Associations are counted at their declared address: an association or a care centre based outside the area can work across all of it.

Protected areas within reach

Area of each site within reach of the flood, and the share of the site it represents. Natura 2000 and regulatory protection first, then the ZNIEFF.

A ZNIEFF is a wildlife inventory, with no regulatory protection.

The declared communes

139 communes declared a natural disaster (flood) for this flood, région by région, then département by département.

This flood's data

In every file of the dataset, this flood carries the identifier EV-20250518-20250519-82. Its dates were frozen when the identifier was created and differ here from the flood's.

The full dataset is released on 13 October at 6:00 (Paris time). Until then, we send it on request: presse@animalert.app.

Ask for the datasetpublic on 13 October at 6:00

Recognised and listed

  • data.gouv.fr

    Public on data.gouv.fr on 13 October at 6:00

  • Face aux risques, agissons. Bien préparés, bien protégés.

    A project labelled by the French StateNational Resilience Day 2026 (Journée nationale de la résilience)

  • GBIF

    Registered with GBIFDerived dataset, DOI 10.15468/dd.ta4vkx