Collection model:
Door to door collection covers 80% of households, with 20% using home composting. Full population coverage. Garden waste is collected at municipal centres.
Treatment model:
Kitchen waste: Anaerobic digestion & composting (GHK-managed); Garden waste: Composting facility in Gipuzkoa
Key elements:
Kitchen waste collected via hooks/caddies; compostable liners accepted (compliant with European standard EN 13432); home and community composting encouraged.
Evidence of success:
(2022 data) 81% MSW separate collection rate. Kitchen waste: 90 kg/inhab./yr. Impurities < 1%. Leakage < 5%. Strong home/community composting contribution.
Awareness and engagement:
Strong public awareness campaigns to boost participation.
Basque Country, Spain
Scale: Local (municipal)
Demographic type: Urban
Population: 20,647 inh.; 517 inh./km² (2023)
Organisation in charge: GHK – Gipuzkoako Hondakinen Kontsortzioa (Public consortium for the province of Gipuzkoa)
Source: LIFE BIOBEST (2024): D3.1, Guidelines on separate collection: Annex 1. Best Practice cases on bio-waste collection