River Water Quality for Swimming Categories [Raw Model Output]

Licence

Creative Commons Attribution 4.0 International

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Added
27 Jun 2018

This dataset was first added to MfE Data Service on 27 Jun 2018.

Summary

Water quality for swimming categories for rivers 4th order and above. This dataset was used to compose the current state for water quality for swimming.

Note this data is under review and will be updated in due course. This information is based on modelled and measured data using the approach outlined at www.mfe.govt.nz/fresh-water/freshwater-management-... .

The modelling methods used are outlined in Snelder et al. (2016) Strategic assessment of New Zealand’s freshwaters for recreational use: a human health perspective. LWP Client Report 2016-011 www.mfe.govt.nz/publications/fresh-water/strategic...

Versions

This dataset is the geometric version of this: data.mfe.govt.nz/table/53620-river-water-quality-f...

This dataset has now been superseded due to consultation with local authorities, and this is the latest version: data.mfe.govt.nz/layer/95555-river-water-quality-f...

Column headings:

NZREACH: NZREACH from the River Environment Classification Version 1

ORDER: Strahler stream order

Category: Water quality for swimming category see www.mfe.govt.nz/fresh-water/national-targets-swimm...

PrGT540: percentage of samples that exceeded 540 E.coli per 100mL

PrGT260: percentage of samples that exceeded 260 E.coli per 100mL

Median: median E.coli per 100mL

Q95: 95th percentile E.coli per 100mL

Note: blank cells are reaches where a prediction was not possible because of missing predictor variables.

License

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

Information
Category Fresh Water
Regions New Zealand
Technical Details
Layer ID 95562
Data type Vector linestring
Feature count 570577
Attributes ORDER, NZREACH, PrGT540, PrGT260, Median, Q95, Category
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W)
History
Added 27 Jun 2018
Last updated 27 Jun 2018
Revisions 11 - Browse all revisions
Current revision Imported on July 18, 2018 from Shapefile in NZGD2000 / New Zealand Transverse Mercator 2000.

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