Testing water for pH

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

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

Clean water is vital for ecosystems and the economy. The National Institute of Water and Atmospheric Science (NIWA), regional councils...

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