They were the subject of a prosecution and submissions to Horizons Regional Council - and their latest monitoring results are very disappointing, Councillor David Cotton says.
The Mōwhanau, Kai Iwi and Ototoka streams each had signs warning against swimming last summer. A submitter to Horizons Regional Council's 2019-20 annual plan asked for improvement of both the Mōwhanau Stream and Lake Wiritoa - which was afflicted by an algal bloom in early summer.
There has been a lot of fencing and planting done on the Mōwhanau Stream, Cotton said. And Whanganui District Council was prosecuted after effluent flowed into it in