Dom talks with Dan Hawke, co-founder of Christchurch-based Forsana, about new research which reveals two-thirds of rainwater tanks tested exceeded acceptable levels of E. coli, why it's a problem for thousands of rural households that rely on tank water for drinking and what can be done to prevent it.

Tune in daily for the latest and greatest REX rural content on your favourite streaming platform, visit rexonline.co.nz and follow us on Instagram, Facebook and LinkedIn for more.