Greywater Recycling Solutions – Financed & Run for You
• Compliance built in: Barcelona Ordinance, EN 16941-2, RD 487
• 30–50% savings on utility water
• Reduce OpEx – without CAPEX

Barcelona 2026 Greywater Ordinance – Don't risk license delays
From July 19, 2026, greywater recovery becomes mandatory for new & renovated buildings:
Residential buildings (16+ dwellings)
Hotels, offices, gyms & other sites (595+ m³/year)
Caskade delivers consultancy, financing and turnkey compliance, so your project stays on schedule — without delays or upfront investment strain.
A 30-minute review of your latest water bills and building parameters reveals your eligibility and savings potential.
Value for Your Business
How We Turn Greywater Into Savings
What we reuse
Water from showers, washbasins, and laundries.
What it's used for
WC flushing, irrigation (non-edible), cleaning and cooling water.
Why it works
In many residential & commercial buildings, the volumes of water are similar and therefor allow for savings of up to 50%. Add our optional heat recovery module for extra electricity savings.
A 30-minute review of your latest water bills and building parameters reveals your eligibility and savings potential.
Why Caskade
Quality Checks & Permits Included
Standards and regulations
we work to: RD 1085/2024, EN 16941-2, RD 487/2022, and the Barcelona greywater ordinance
Quarterly laboratory testing
to ensure highest quality water output
Live updates and remote monitoring based on IoT data
based on IoT data
Next Steps
•
Quick assessment (30 min)
Water bills & financial standing to determine savings potential & creditworthiness
•
Site visit (2 h)
Take water samples, verify space requirements and connection points
•
Proposal
Water-as-a-service contract with fixed base fee + €/m³ tariff, service included
•
Installation
in one day thanks to our pre-developed modules
•
Operation & analytics
based on live IoT data