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US water scientist shocked by NZ's poor water quality


A visiting water scientist from the United States Department of Agriculture has been surprised by the poor quality of New Zealand's fresh water. Mark Borchardt is a research microbiologist whose work has been used to improve water quality and protect the health of millions of Americans from waterborne disease. He has been in the country working with scientists and says there are a lot of similarities with his home state of Wisconsin in the level of water contamination related to agriculture. He told Kate Gudsell for the first-time in his lifetime it was an election issue in last month's midterms, and partly what drove the switch to a Democratic governor. See more