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Polluted sites

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This API provides access to the cadastre of polluted sites for the canton of Geneva, Switzerland, maintained by the Système d'information du territoire genevois (SITG). Established under the Federal Ordinance of 26 August 1998 on the remediation of polluted sites (OSites), the cadastre inventories sites of limited extent where pollution is established or highly probable. It enables identification and monitoring of contaminated land, supporting environmental assessment, land-use planning, and remediation decisions within the canton. Access to the data is free and requires no authentication.The Federal Ordinance of 26 August 1998 on the remediation of polluted sites (OSites) requires the canton to establish a cadastre of polluted sites. As a result, the cantons have inventoried the sites, of a limited extent, whose pollution is established or very likely. The cadastre must make it pos…

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Data schema (34 fields)

Click a field to see example values.

FieldTypeDescription
OBJECTIDoidInternal unique record identifier.Internal unique record identifier.
META_INFORMATIONMeta informationstringLink to source metadata about the polluted sites cadastre.Link to source metadata about the polluted sites cadastre.
NO_GSIPOLNo gsipolstringUnique identification number of the polluted site.Unique identification number of the polluted site.
NO_OFFICIELNo officielstringOfficial reference number of the site.Official reference number of the site.
RAISON_SOCIALERaison socialestringName or designation of the site or operating entity.Name or designation of the site or operating entity.
TYPE_SITEType sitestringType of site, such as storage, accident or operational site.Type of site, such as storage, accident or operational site.
TYPE_POLLUTIONType pollutionstringType of pollution affecting the site.Type of pollution affecting the site.
DATE_PREMIERE_MENTIONDate premiere mentionstringYear the site was first documented or recorded.Year the site was first documented or recorded.
DATE_DERNIERE_MENTIONDate derniere mentionstringYear the site was last documented or used.Year the site was last documented or used.
CODE_NOGACode nogastringNOGA economic activity classification code for the site.NOGA economic activity classification code for the site.
LIBELLE_NOGALibelle nogastringText label describing the NOGA activity classification.Text label describing the NOGA activity classification.
TYPE_ACTIVITE_OU_TYPE_REMBLAIType activite ou type remblaistringType of activity conducted or type of landfill material.Type of activity conducted or type of landfill material.
ATTEINTE_CONSTATEEAtteinte constateestringDescription of observed environmental impact at the site.Description of observed environmental impact at the site.
EVENEMENT_PARTICULIEREvenement particulierstringNotable event reported in relation to the site.Notable event reported in relation to the site.
EAU_SOUTERRAINE_MENACEEEau souterraine menaceestringIndicates whether groundwater is threatened by the site.Indicates whether groundwater is threatened by the site.
EAU_SURFACE_MENACEEEau surface menaceestringIndicates whether surface water is threatened by the site.Indicates whether surface water is threatened by the site.
SOL_MENACESol menacestringIndicates whether soil is threatened by the site.Indicates whether soil is threatened by the site.
AIR_MENACEAir menacestringIndicates whether air is threatened by the site.Indicates whether air is threatened by the site.
ATTEINTE_ENV_POSSIBLEAtteinte env possiblestringIndicates whether environmental harm from the site is possible.Indicates whether environmental harm from the site is possible.
INVESTIGATIONstringIndicates whether an investigation of the site has occurred.Indicates whether an investigation of the site has occurred.
AUTRE_STATUTAutre statutstringCurrent status classification of the site, e.g. polluted.Current status classification of the site, e.g. polluted.
INVESTIGATION_HISTO_REALISEEInvestigation histo realiseestringIndicates whether a historical investigation was carried out.Indicates whether a historical investigation was carried out.
INVESTIGATION_TECHN_REALISEEInvestigation techn realiseestringIndicates whether a technical investigation was carried out.Indicates whether a technical investigation was carried out.
INVESTIGATION_DETAIL_REALISEEInvestigation detail realiseestringIndicates whether a detailed investigation was carried out.Indicates whether a detailed investigation was carried out.
PROJET_ASSAINISSEMENT_REALISEProjet assainissement realisestringIndicates whether a remediation project has been prepared.Indicates whether a remediation project has been prepared.
ASSAINISSEMENT_REALISEAssainissement realisestringIndicates whether remediation of the site has been carried out.Indicates whether remediation of the site has been carried out.
DOCUMENTATION_EXISTANTEDocumentation existantestringIndicates whether documentation about the site exists.Indicates whether documentation about the site exists.
TYPE_POLLUANTType polluantstringDescription of the type of pollutants present at the site.Description of the type of pollutants present at the site.
QUANTITE_POLLUANT_ECOULEEQuantite polluant ecouleestringQuantity of pollutant released at the site.Quantity of pollutant released at the site.
QUANTITE_POLLUANT_RECUPEREEQuantite polluant recupereestringQuantity of pollutant recovered from the site.Quantity of pollutant recovered from the site.
DATE_ACCIDENTDate accidentdoubleDate on which an accident occurred at the site.Date on which an accident occurred at the site.
VOLUME_DECHETVolume dechetdoubleVolume of waste deposited at the site.Volume of waste deposited at the site.
Shape__AreadoubleArea of the site polygon geometry.Area of the site polygon geometry.
Shape__LengthSHAPE.LENdoublePerimeter length of the site polygon geometry.Perimeter length of the site polygon geometry.

Schema captured from arcgis 4 days 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 (3 records)

Record 1OBJECTID: 1 · CODE_NOGA: 90.99
{
  "OBJECTID": 1,
  "CODE_NOGA": "90.99",
  "NO_GSIPOL": "35061",
  "TYPE_SITE": "Site de stockage",
  "AIR_MENACE": "non",
  "SOL_MENACE": "non",
  "NO_OFFICIEL": "412.34063",
  "Shape__Area": 17075.0486975,
  "AUTRE_STATUT": "Pollué",
  "LIBELLE_NOGA": "Décharge",
  "DATE_ACCIDENT": null,
  "INVESTIGATION": "non",
  "Shape__Length": 585.5518119070341,
  "TYPE_POLLUANT": "Matériaux d'excavation et déchets de chantier. Autres déchets possibles.",
  "VOLUME_DECHET": 80000,
  "RAISON_SOCIALE": "Gravière d'Aire-la-Ville 4",
  "TYPE_POLLUTION": null,
  "META_INFORMATION": "http://ge.ch/geologie/sous-sol/sites-pollues",
  "ATTEINTE_CONSTATEE": null,
  "EAU_SURFACE_MENACEE": "oui",
  "ATTEINTE_ENV_POSSIBLE": "non",
  "DATE_DERNIERE_MENTION": "1970",
  "DATE_PREMIERE_MENTION": "1957",
  "EVENEMENT_PARTICULIER": "aucun événement signalé",
  "ASSAINISSEMENT_REALISE": "non",
  "DOCUMENTATION_EXISTANTE": "non",
  "EAU_SOUTERRAINE_MENACEE": "oui",
  "QUANTITE_POLLUANT_ECOULEE": null,
  "QUANTITE_POLLUANT_RECUPEREE": null,
  "INVESTIGATION_HISTO_REALISEE": "non",
  "INVESTIGATION_TECHN_REALISEE": "non",
  "INVESTIGATION_DETAIL_REALISEE": "non",
  "PROJET_ASSAINISSEMENT_REALISE": "non",
  "TYPE_ACTIVITE_OU_TYPE_REMBLAI": "Gravière autorisée"
}
Record 2OBJECTID: 2 · CODE_NOGA: 90.99
{
  "OBJECTID": 2,
  "CODE_NOGA": "90.99",
  "NO_GSIPOL": "32158",
  "TYPE_SITE": "Site de stockage",
  "AIR_MENACE": "non",
  "SOL_MENACE": "non",
  "NO_OFFICIEL": "637.2003.339",
  "Shape__Area": 7846.360118,
  "AUTRE_STATUT": "Pollué",
  "LIBELLE_NOGA": "Décharge",
  "DATE_ACCIDENT": null,
  "INVESTIGATION": "non",
  "Shape__Length": 692.604247402252,
  "TYPE_POLLUANT": "Remblai lié au comblement du Nant d'Avanchet.",
  "VOLUME_DECHET": 30000,
  "RAISON_SOCIALE": "N1A jonction de Vernier",
  "TYPE_POLLUTION": null,
  "META_INFORMATION": "http://ge.ch/geologie/sous-sol/sites-pollues",
  "ATTEINTE_CONSTATEE": null,
  "EAU_SURFACE_MENACEE": "non",
  "ATTEINTE_ENV_POSSIBLE": "non",
  "DATE_DERNIERE_MENTION": "1980",
  "DATE_PREMIERE_MENTION": "1936",
  "EVENEMENT_PARTICULIER": "aucun événement signalé",
  "ASSAINISSEMENT_REALISE": "non",
  "DOCUMENTATION_EXISTANTE": "non",
  "EAU_SOUTERRAINE_MENACEE": "non",
  "QUANTITE_POLLUANT_ECOULEE": null,
  "QUANTITE_POLLUANT_RECUPEREE": null,
  "INVESTIGATION_HISTO_REALISEE": "non",
  "INVESTIGATION_TECHN_REALISEE": "non",
  "INVESTIGATION_DETAIL_REALISEE": "non",
  "PROJET_ASSAINISSEMENT_REALISE": "non",
  "TYPE_ACTIVITE_OU_TYPE_REMBLAI": "Remblais divers"
}
Record 3OBJECTID: 3 · CODE_NOGA: 75.22C
{
  "OBJECTID": 3,
  "CODE_NOGA": "75.22C",
  "NO_GSIPOL": "50005",
  "TYPE_SITE": "Aire d'exploitation",
  "AIR_MENACE": "non",
  "SOL_MENACE": "oui",
  "NO_OFFICIEL": "422.2003.455",
  "Shape__Area": 3469.649851,
  "AUTRE_STATUT": "Pollué",
  "LIBELLE_NOGA": "Installations de tir",
  "DATE_ACCIDENT": null,
  "INVESTIGATION": null,
  "Shape__Length": 371.180724253087,
  "TYPE_POLLUANT": null,
  "VOLUME_DECHET": null,
  "RAISON_SOCIALE": "Stand - Sté de Tir de Laconnex",
  "TYPE_POLLUTION": null,
  "META_INFORMATION": "http://ge.ch/geologie/sous-sol/sites-pollues",
  "ATTEINTE_CONSTATEE": null,
  "EAU_SURFACE_MENACEE": "non",
  "ATTEINTE_ENV_POSSIBLE": null,
  "DATE_DERNIERE_MENTION": "en activite",
  "DATE_PREMIERE_MENTION": "1865",
  "EVENEMENT_PARTICULIER": "aucun événement signalé",
  "ASSAINISSEMENT_REALISE": "non",
  "DOCUMENTATION_EXISTANTE": "non",
  "EAU_SOUTERRAINE_MENACEE": "non",
  "QUANTITE_POLLUANT_ECOULEE": null,
  "QUANTITE_POLLUANT_RECUPEREE": null,
  "INVESTIGATION_HISTO_REALISEE": "non",
  "INVESTIGATION_TECHN_REALISEE": "non",
  "INVESTIGATION_DETAIL_REALISEE": "non",
  "PROJET_ASSAINISSEMENT_REALISE": "non",
  "TYPE_ACTIVITE_OU_TYPE_REMBLAI": "Installations de tir 300m"
}

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

Verification Status

Using the API

Configuration

Base URL
https://vector.sitg.ge.ch/arcgis/rest/services/GOL_SITES_POLLUES/FeatureServer

License

Terms stated by the source (not a recognized license):

© 2026 SITG

Query examples

curl -s 'https://vector.sitg.ge.ch/arcgis/rest/services/GOL_SITES_POLLUES/FeatureServer?f=json' -H 'Accept: application/json'

Service definition: the list of layers.

Full API documentation ↗

Dataset

Volume & freshness

Datasets
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Machine-readable & source

JSON
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