Kōrero: Water quality
Whārangi 7. Ngā whakaahua, ngā rauemi katoa
From page 1 - Water quality in New Zealand
From page 2 - Water pollution
From page 3 - Problem plants and microbes
From page 4 - Lakes Rotorua and Taupō, and the Manawatū River
From page 5 - Management of water quality
Me pēnei te tohu i te whārang
Mike Scarsbrook rāua ko Kit Rutherford, Water quality, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/story/1944/media (accessed 4 June 2026).
He kōrero nā Mike Scarsbrook rāua ko Kit Rutherford, i tāngia i te 1 March 2009, updated 18 July 2016.