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Swimming categories for E. coli in the Clean Water package: A summary of the categories and their relationship to human health risk from swimming

Publication date:  May 2017
Publication reference number:  ME 1308

This report provides information on the categories used in the swimming maps, proposed targets, and proposed amendments to the National Policy Statement for Freshwater Management released as part of the Government’s Clean Water package in February 2017.

This report explains what the proposed categories mean for people’s risk of getting sick when they swim, and explains how the proposed categories compare to existing categories that are used to manage water quality for swimming, both in New Zealand and overseas.