Cadastre of polluted sites
This dataset lists sites in the Swiss Canton of Valais where soil or groundwater pollution has been confirmed or is highly likely, compiled under the Federal Contaminated Sites Ordinance (AltlV) of 26 August 1998. It records sites of limited extent, including former landfills, industrial areas, and accident locations, along with information relevant to assessing contamination risk and remediation needs. The cadastre is maintained by cantonal authorities responsible for environmental protection and land management, supporting planning, construction permitting, and monitoring of potentially hazardous sites across the canton.The cadastre of the polluted sites of the Canton of Valais, which was drawn up in accordance with the provisions of the Federal Contaminated Sites Ordinance of 26 August 1998 (AltlV), records the sites of limited extent for which it has been established or is highly likely that they will be pollute…
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Data access
Serves rendered map images, not a downloadable table — so there is no tabular schema. The service's GetCapabilities document lists the available map layers.
Verification Status
Using the API
Configuration
- Base URL
- https://sit.vs.ch/arcgis/services/ENVIRONNEMENT/MapServer/WMSServer?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetCapabilities
Query examples
curl -s 'https://sit.vs.ch/arcgis/services/ENVIRONNEMENT/MapServer/WMSServer?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetCapabilities' -H 'Accept: application/json'Base API endpoint — see the documentation for available routes.
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