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SWITZERLAND · LANDSCAPE · CONTAMINATED SITES

Kataster der belasteten Standorte

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What this layer shows

The cantons' registers of polluted sites under Art. 32c USG and the Contaminated Sites Ordinance: disposal, operating and accident sites where pollution by waste is established or very likely, with their status from “no harmful or unpleasant effects expected” to “needs remediation”. Selling or dividing a parcel with a registered site needs the authority's permission (Art. 32dbis para. 3 USG), and for a building project excavated material and its disposal should be clarified early. Federal sites, the armed forces, public transport, civil aerodromes, are on separate layers. Included: the cantons of AG, AI, AR, BE, BL, BS, FR, GE, GL, GR, JU, LU, NE, SH, SO, SZ, TG, TI, UR, VS, ZG and ZH; cantons whose terms of use do not allow use in this app, or that do not publish the data openly, are not included. For the canton of Graubünden's data: “No warranty is given as to the correctness, accuracy, currency or completeness of the published information.”

Publisher and licence

Kantone AG/AI/AR/BE/BL/BS/FR/GE/GL/GR/JU/LU/NE/SH/SO/SZ/TG/TI/UR/VS/ZG/ZH über geodienste.ch (Quelle: Kataster der belasteten Standorte (KbS), Kanton Graubünden, 2026), Nutzungsbedingungen der Kantone

Licence not stated by the publisher

Kantone AG/AI/AR/BE/BL/BS/FR/GE/GL/GR/JU/LU/NE/SH/SO/SZ/TG/TI/UR/VS/ZG/ZH über geodienste.ch (Quelle: Kataster der belasteten Standorte (KbS), Kanton Graubünden, 2026), Nutzungsbedingungen der Kantone

Official guidance ↗

Where the data comes from

WFS · geodienste.ch

Merestone asks this service live for the area on screen. Nothing is copied or stored beyond a short cache.

Facts shown for each feature

Register number · Status (Contaminated Sites Ordinance) · Investigations · Remark · Responsible authority · Canton

In these presets

Environmental assessment

Where an environmental consultancy starts a site assessment: the federal biotope inventories, forest reserves and wildlife rest zones, the state of the rivers, wildlife corridors and amphibian crossing sites, the sites of threatened mosses, and the groundwater protection zones, hazard map and polluted-site registers of the cantons that publish them openly.

Building and planning

The rules a building project meets first: building zones, primary and overlay land use, planning zones, noise sensitivity levels, crop rotation areas, static forest boundaries and river space, national road building lines and aerodrome safety zones, polluted sites, ISOS and IVS. For a parcel, the ÖREB cadastre remains what binds.

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