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Territories at Significant Flood Risk in Pays de la Loire(TRI) Territoires à risque important d'inondation en Pays de la Loire

Name: Territories at Significant Flood Risk in Pays de la Loire
Creator: opendatasoft

(TRI) Territoires à risque important d'inondation en Pays de la LoireTerritories at Significant Flood Risk in Pays de la Loire

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This dataset, produced under the Flood Directive, identifies the municipalities within the Pays de la Loire region that fall within Territories at Significant Flood Risk (TRI). A TRI is defined as an area where assets and populations are strongly exposed to flooding, whether from river overflow or marine submersion. The data is published on the Pays de la Loire regional open data portal and supports flood-risk management, spatial planning, and prevention policy at the local and regional level.Cette donnée, produite dans le cadre de la Directive Inondation, identifie les communes concernées par les Territoires à Risque Important d’inondation. Un TRI se définit comme un secteur où se concentrent fortement des enjeux exposés aux inondations, qu'elles soient issues de submersions marines,...

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Trust score

How is this computed?

fair

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Data schema (4 fields)

Filterable via the API (2)

gml_idterritoire

Click a field to see example values.

Field	Type	Description
geo_point_2dLocalisation	geo_point_2d	Geographic centroid coordinates of the area.Geographic centroid coordinates of the area.
geo_shapeZones	geo_shape	Geometric shape outlining the flood risk territory boundary.Geometric shape outlining the flood risk territory boundary.
gml_idIdentifiant	text	Unique GML identifier for the record.Unique GML identifier for the record.
territoire	text	Name of the flood risk territory (TRI).Name of the flood risk territory (TRI).

Schema captured from opendatasoft 7 days ago.

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Sample data (5 records)

Record 1gml_id: r_tri_s_r52.2 · geo_shape: [large value omitted]

{
  "gml_id": "r_tri_s_r52.2",
  "geo_shape": "[large value omitted]",
  "territoire": "Saint Nazaire-Presqu'île de Guérande",
  "geo_point_2d": {
    "lat": 47.3068588141014,
    "lon": -2.377216985236118
  }
}

Record 2gml_id: r_tri_s_r52.6 · geo_shape: [large value omitted]

{
  "gml_id": "r_tri_s_r52.6",
  "geo_shape": "[large value omitted]",
  "territoire": "Angers-Authion-Saumur",
  "geo_point_2d": {
    "lat": 47.36320369607828,
    "lon": -0.15646481580148552
  }
}

Record 3gml_id: r_tri_s_r52.3 · geo_shape: [large value omitted]

{
  "gml_id": "r_tri_s_r52.3",
  "geo_shape": "[large value omitted]",
  "territoire": "Nantes",
  "geo_point_2d": {
    "lat": 47.20756339288834,
    "lon": -1.6230219254153622
  }
}

Record 4gml_id: r_tri_s_r52.1 · geo_shape: [large value omitted]

{
  "gml_id": "r_tri_s_r52.1",
  "geo_shape": "[large value omitted]",
  "territoire": "Le Mans",
  "geo_point_2d": {
    "lat": 47.980444257375154,
    "lon": 0.18803105294457212
  }
}

Record 5gml_id: r_tri_s_r52.7 · geo_shape: [large value omitted]

{
  "gml_id": "r_tri_s_r52.7",
  "geo_shape": "[large value omitted]",
  "territoire": "Vilaine de Rennes à Redon",
  "geo_point_2d": {
    "lat": 47.91079052943864,
    "lon": -1.791554591467056
  }
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Configuration

Base URL: https://data.paysdelaloire.fr/api/explore/v2.1/catalog/datasets/234400034_tri-territoires-a-risque-important-dinondation-en-pays-de-la-loire

License

Licence Ouverte 2.0 (France / Etalab)Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.paysdelaloire.fr/api/explore/v2.1/catalog/datasets/234400034_tri-territoires-a-risque-important-dinondation-en-pays-de-la-loire/records?limit=20' -H 'Accept: application/json'

First 20 records of the dataset as JSON.

Uses the Opendatasoft Explore v2.1 syntax — supports select, where, group_by and order_by.

Full API documentation ↗

Rate limits

5 000 req/day

per ipmeasured

observed 7 days ago

Dataset

Volume & freshness

Records

Last upstream update

8 days ago

2026-08-31

License

No license declared upstream.

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Source: opendatasoft

Machine-readable & source

JSON

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