Yes, rainwater collection is legal in Colombia, but subject to environmental and water resource regulations under the National Code of Renewable Natural Resources (Decree 1076 of 2015) and local water basin authorities. Private use is permitted for non-potable purposes, yet commercial or large-scale systems require environmental licensing from regional environmental agencies (CARs). Urban areas face stricter controls due to municipal water supply dependencies.
Key Regulations for Rainwater Collection in Colombia
- Environmental Licensing: Projects exceeding 10 m³/day or serving more than 50 users require prior approval from regional environmental authorities (CARs) under Resolution 0631 of 2015.
- Potable Water Restrictions: Collection systems must not interfere with public water supply networks; potable use is prohibited without treatment meeting Colombian Technical Standard (NTC) 4161.
- Urban Zoning Compliance: Municipal ordinances (e.g., Bogotá’s Agreement 791 of 2018) may restrict systems in high-density areas to prevent infrastructure conflicts or flooding risks.
Recent shifts in 2026 compliance frameworks emphasize water efficiency audits for agricultural and industrial users, with CARs empowered to inspect unauthorized large-scale systems. Non-compliance risks fines up to 10,000 minimum legal monthly wages (SMMLV) under Law 1333 of 2009. Always verify local CAR guidelines, as regional interpretations vary.