Water management in Mallorca: rainwater harvesting, greywater reuse, Balearic regulations and real savings in Alcudia villas.
Rainwater harvesting
- Alcudia rainfall: 450-550 mm/year
- 200 m² roof villa: Captures 80-110 m³/year
- Recommended tank: 30-50 m³
- Uses: Garden irrigation, pool filling, WC, washing machines
- Investment: €8,000-15,000 (concrete tank + filters + pump)
Greywater reuse
- Sources: Showers, sinks, washers (NOT kitchen/WC)
- Production: 100-150 L/person·day
- Treatment: Physical filter + UV + separate tank
- Uses: Irrigation (NOT human consumption)
- Investment: €4,000-8,000
Balearic regulations
- Rainwater capture: Free installation, recommended since 2007
- Greywater: Allowed with proper treatment
Real savings
- Mains water: €2.50-3.50/m³
- Villa consumption: 200-300 m³/year (€600-1,000/year)
- With rainwater capture: 50-60% irrigation savings = €300-500/year
- ROI: 15-20 years (better with pool)
Conclusion
Water utilization in Alcudia: Long but sustainable ROI. Key if extensive garden or pool. Increases property value and reduces water footprint.
Interested in Alcudia Luz?
Alcudia Luz is designed to integrate sustainable water management systems.