Contaminated Sites Ordinance (CSO)
Contaminated Sites Ordinance (CSO)
SR 814.680 — Ordinance of 26 August 1998 on the Remediation of Polluted Sites (Contaminated Sites Ordinance, CSO).
English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force. English consolidation of 1 December 2025, which is also the date of the current binding text.
Preamble
The Swiss Federal Council, based on Article 32c paragraph 1 second sentence and Article 39 paragraph 1 of the Environmental Protection Act of 7 October 1983 (EPA), ordains:
SR 814.01
Contents
1. General Provisions — 4 articles 2. Register of Polluted Sites — 3 articles 3. Need for Monitoring and Remediation — 7 articles 4. Objectives and Urgency of Remediation — 2 articles 5. Remediation — 4 articles 6. Obligation to carry out Investigation, Monitoring and Remediation Measures — 1 article 7. Final Provisions — 9 articles