Testing water clarity

An industrial purple dye spill devastated the Oruarangi Stream ecosystem in 2013. It’s hard to believe such an event could...

New Zealand has 425,000 kilometres of rivers and streams to look after. Catchment groups are being formed around the country...

E 425,000 kiromata te roa o ngā awa me ngā kōawa i Aotearoa hei tiaki mā tātou. E whakatūria ana...

The factors that affect water quality include where the water comes from, what is in the environment in the collection...

Maintaining good water quality is important for healthy ecosystems and healthy humans. There are several national, regional and local government...

Aotearoa is a landscape where water dominates our environment. Water is all around us. It surrounds us and forms our...