We deliver tailored solutions designed for your site and its unique challenges.
See how FieldFactors works with municipalities, developers, and companies to turn rainwater into local resource, tackling real problems and creating long-term positive impact.
Client: City of Madrid, Junta de Compensación Solana de Valdebebas
Partner: Microsoft
Year: 2025 (in development)
Problems: Drought, drying waterways, lost stormwater, flooding risk, corporate water stewardship / ESG reporting
Rainwater reused for: Replenishing the Valdebebas stream + verified ESG/water-positive reporting
Impact: 200,000 m³/year captured and replenished; 1,091,140 m² catchment
Client: Municipality of Maassluis
Partners: Maassluis Rainproof, Gemeente Maassluis, Delftland, Gebeidsmanagers, Kroes Aannemingsbedrijf
Year: 2021–2022
Problems solved: Urban flooding, insufficient drainage capacity, climate adaptation pilot
Rainwater reused for: Deep underground infiltration (groundwater recharge via infiltration wells)
Impact: 800 m³ buffer; 40 m² biofilter; 80,000 m2 catchment
Client: Diergaarde Blijdorp (Rotterdam Zoo)
Partners: Bufferblock, Hoogheemraadschap Schieland en Krimpenerwaard, Gemeente Rotterdam, TU Delft
Year: 2020–2021
Problems solved: Soil subsidence & water stagnation/flooding on main square, high drinking water demand, sewer overload
Rainwater reused for: Irrigation of tropical plants; supplement to groundwater distribution network
Impact: 7,800 m³/year reused (approx. 8 million litres/year); 9,900 m² catchment; 130 m³ buffer
Client: Espacio Caleido
Partners: City of Madrid, University Polytechnic of Madrid, Delft University of Technology
Year: 2020–2021
Problems solved: Potable water overconsumption for an ornamental pond, sustainable urban drainage
Rainwater reused for: Filling and maintaining the architectural urban pond (replacing drinking water)
Impact: 460 m³/year reused; 14,490 m² catchment; 500 m² pond supplied
Client: Municipality of Rotterdam
Year: 2020–2021
Problems: Sewer overflow, climate-proofing city centre, public water awareness / education
Rainwater reused for: Deep underground storage; children's interactive hand pump; public demonstration
Impact: 4,000 m³/year reused; 10,000 m³ stored; 1,200 m² catchment
Client: The Green Village (TU Delft campus testing ground)
Partners: VP Delta, TU Delft, Van Gelder
Year: 2020–ongoing
Problems: Drought & heat stress, bio-filtration R&D, testing technology in real-world (not lab) conditions
Rainwater reused for: Irrigation, cooling, toilet flushing, educational demonstration
Impact: 500 m³/year stored and reused; 1,600 m² catchment; four bio-filter configurations tested in parallel
Client: Aquafin
Partners: Aquafin, Delft University of Technology
Year: 2019–2020
Problems: PFAS & emerging pollutant removal, decentralized stormwater treatment, feasibility in Belgium
Rainwater reused for: Research & development in innovative water solutions/ proof-of-concept testing
Impact (Pilot scale): ~280 m² catchment; 10 m³ buffer; 9 m² bio-filter
Client: City of The Hague
Partners: Hoogheemraadschap Delfland, Dunea, Allied Waters, Wareco, Gebr. Van Kessel
Year: 2019–2020
Problems: Stormwater sewer overflow, unsustainable water management in park, urban greening
Rainwater reused for: Irrigation of community gardens and urban animal farm
Impact: 10,000 m³/year reused; 35,000 m³ stored; 8,500 m² catchment
Client: City of Pijnacker-Nootdorp
Partners: KWR, Aveco DeBondt, Geoinfra, Van Kessel Wegenbouw
Year: 2018–2026
Problems: Soil subsidence, unstable groundwater levels, drying peat, climate-proofing
Rainwater reused for: Stable groundwater levels, cooling, children's play water
Impact: 13,500 m³/year reused; 30,000 m³ stored; 45,500 m² catchment
Client: City of Rotterdam
Partners: KWR Water, CODEMA Group, Van Gelder
Year: 2018
Problems: Flooding during heavy rainfall in Spangen district, drinking water overuse for sports field irrigation, water quality (iron, PAHs, nutrients)
Rainwater reused for: Irrigation of the Sparta football pitch
Impact: 15,000 m³/year reused; 25,000 m³ stored; 1,400 m³ buffer; 40,000 m² catchment
