It will take 80 years to clean up the Waikato River.

[Zurdo]

https://www.rnz.co.nz/programmes/in-dept...kato-river

And that's if we actually do it.  Farmers again - oh they will bleat and moan, but they all did jump onto the dairy bandwagon. The river gets dirty brown once the Waipa joins, and so of course it's just not the Waikato River that needs cleaning up...everything that flows into it needs to be sorted.