Biodata Management Guide

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Bathing Water Quality Systems

The Ministry for the Environment requires councils to report on Bathing Water Quality.

To assist with this process, NIWA have developed a Hazen percentile calculator in the form of a spreadsheet, which is available at the MfE website. To import data into the spreadsheet, it is necessary to massage it into csv format. Once this is imported, a macro is run and the results are copied into a table.

Another available tool is the Bathewatch software, which is commonly used for analysing recreational water quality data.

Join the discusssion on Bathing Water Quality Systems.


Tanya GrayAnalyst - Statistics and GeospatialMinistry for the Environment
23 Kate Sheppard Place
PO Box 10362
Wellington 6143 New Zealand
work 04 439 7489