In this activity, students test nitrate levels in various samples of water and draw possible informed conclusions about the results.

By the end of this activity, students should be able to:

  • explain why excessive nitrate can be harmful
  • demonstrate how to test water for nitrate
  • make an informed decision about safe nitrate levels in drinking water.

Download the Word file for:

  • introduction/background notes
  • what you need
  • what to do
  • discussion questions
  • student handout.

Useful links

Find out more about New Zealand's drinking water standards from the Ministry of Health.

    Published 30 July 2013