2952 (2026). Hon Jo Luxton to the Minister for Biosecurity

Written Question
Published date: 19 Feb 2026
2952 (2026). Hon Jo Luxton to the Minister for Biosecurity: How many hydroelectric dams or associated infrastructure assets are considered at risk from Corbicula fluminea infestation, and what are the estimated short- and long-term economic costs to electricity generation, maintenance, or infrastructure integrity?
Hon Andrew Hoggard: I am advised that Earth Sciences New Zealand are undertaking a Ministry of Business, Innovation and Employment-funded programme of research to determine Corbicula fluminea’s ecological, social, cultural, and economic impacts in New Zealand; predict its spread for early detection and targeted intervention; and develop practical control methods for established populations.