Barrages en Pays de la Loire

Name: Barrages en Pays de la Loire
Creator: opendatasoft

APIQuery nowOpen workbench🇫🇷France

Barrages contrôlés par le Service de Contrôle de la Sécurité des Ouvrages Hydrauliques de la DREAL Pays de la Loire. On distingue 4 classes de barrages : classe A : hauteur de l’ouvrage supérieure à 20 m par rapport au terrain naturel classe B : non A et h 10 m et 200 (V volume de la retenue) cla...

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Trust score

How is this computed?

poor

Weighted across five axes. Tap a ring for what it measures.

Data schema (9 fields)

Filterable via the API (7)

gml_idcode_troncnomcl_ouvrageedd_oblidepartementcommune

Click a field to see example values.

Field	Type	Description
geo_point_2dLocalisation	geo_point_2d	—
geo_shapeShape	geo_shape	—
gml_idIdentifiant	text	—
code_troncTronçon	text	—
nomBarrage	text	—
cl_ouvrageCl ouvrage	text	—
edd_obliEdd obli	text	—
departement	text	—
communeCommune	text	—

Schema captured from opendatasoft 1 hour ago.

Query the data

Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.

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Sample data (5 records)

Record 1nom: Petit Vioreau · gml_id: n_barrages_p_r52.463977

{
  "nom": "Petit Vioreau",
  "gml_id": "n_barrages_p_r52.463977",
  "commune": "Joué-sur-Erdre",
  "edd_obli": "Non",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.434824803206131,
        47.53110594956818
      ]
    },
    "properties": {}
  },
  "cl_ouvrage": "C",
  "code_tronc": "FRA0440042-1",
  "departement": "Loire-Atlantique",
  "geo_point_2d": {
    "lat": 47.53110594956818,
    "lon": -1.434824803206131
  }
}

Record 2nom: Etang de la Chenuère · gml_id: n_barrages_p_r52.464000

{
  "nom": "Etang de la Chenuère",
  "gml_id": "n_barrages_p_r52.464000",
  "commune": "Saint-Georges-de-la-Couée",
  "edd_obli": "Non",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        0.599536018252741,
        47.81051819114977
      ]
    },
    "properties": {}
  },
  "cl_ouvrage": "Classable en C",
  "code_tronc": "FRA0720028-1",
  "departement": "Sarthe",
  "geo_point_2d": {
    "lat": 47.81051819114977,
    "lon": 0.5995360182527407
  }
}

Record 3nom: MERVENT · gml_id: n_barrages_p_r52.464001

{
  "nom": "MERVENT",
  "gml_id": "n_barrages_p_r52.464001",
  "commune": "Mervent",
  "edd_obli": "Oui",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -0.781932938247364,
        46.512760483337736
      ]
    },
    "properties": {}
  },
  "cl_ouvrage": "A",
  "code_tronc": "FRA0850023-1",
  "departement": "Vendée",
  "geo_point_2d": {
    "lat": 46.512760483337736,
    "lon": -0.7819329382473635
  }
}

Record 4nom: Etang de Daillon · gml_id: n_barrages_p_r52.464004

{
  "nom": "Etang de Daillon",
  "gml_id": "n_barrages_p_r52.464004",
  "commune": "Somloire",
  "edd_obli": "Non",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -0.622845999996052,
        47.015544000941844
      ]
    },
    "properties": {}
  },
  "cl_ouvrage": "Classable en C",
  "code_tronc": "FRA0490038-1",
  "departement": "Maine-et-Loire",
  "geo_point_2d": {
    "lat": 47.015544000941844,
    "lon": -0.6228459999960521
  }
}

Record 5nom: étang du Fourneau · gml_id: n_barrages_p_r52.464013

{
  "nom": "étang du Fourneau",
  "gml_id": "n_barrages_p_r52.464013",
  "commune": "Ombrée d'Anjou",
  "edd_obli": "Non",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.180619303407955,
        47.72351050217748
      ]
    },
    "properties": {}
  },
  "cl_ouvrage": "C",
  "code_tronc": "FRA0490010-1",
  "departement": "Maine-et-Loire",
  "geo_point_2d": {
    "lat": 47.72351050217748,
    "lon": -1.1806193034079546
  }
}

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

Using the API

Configuration

Base URL: https://data.paysdelaloire.fr/api/explore/v2.1/catalog/datasets/234400034_barrages-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_barrages-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 1 hour ago

Dataset

Volume & freshness

Records

293

Last upstream update

25 days ago

2026-06-30

License

No license declared upstream.

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Source: opendatasoft

Machine-readable & source

JSON

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