Warning currently in place
A - Very low risk of illness
B - Low risk of illness
C - Moderate risk of illness
D - Caution
F - Unsuitable for swimming
Not yet graded
Click on a dot on the map to find out further information about the site including any warnings that are currently in place.
Each dot on the map represents a monitored site
and the colour of the dot represents its overall grade.
The overall grade is based on a calculation which takes into account the test results
from the previous five years as well as the risk of faecal contamination from the surrounding area.
Click on the Map legend to find out what grades the different coloured dots represent.
Any warnings currently in place at a site are denoted by a red flag. These warnings relate only to the latest sampling result and may indicate high bacterial levels, a toxic algae alert and/or a sewage overflow warning.
Click on the dot to find out further information about the site including any warnings that are currently in place.
To use this map:
Click on a coloured dot to display the site grade and additional information in a pop up window.
Click and hold down the main mouse button, then move the mouse to pan around the map. Release the mouse button to refresh.
Click the + and - buttons in the top right corner of the map to zoom in (+) or zoom out (-).
Hold the "Shift" button down and drag a rectangle on the map with the main mouse button held down to define an area to zoom into on the map.
Click on the navigation headings to expand and contract each menu section.
Water quality in our rivers and at our beaches is generally pretty good over the summer, except in poor weather conditions. Heavy rain flushes contaminants from urban and rural land into waterways and we advise you not to swim for at least two days (48hrs) after heavy or prolonged rainfall – even if a site generally has good water quality.
Be clever – don’t swim after wet weather!
Visit the Summer-Check information site for all you need to know before you take to the water : Summer-check
See the 2014/15 report : Is it safe to swim? Recreational water quality monitoring results for the 2014/15 summer
View or download annual or summary environmental reports for the Wellington Region
View or download environmental data for the Wellington Region
For national environmental data and information go to Land Air Water Aotearoa (LAWA)
Stay up to date easily and join our Facebook recreation water quality group or follow Greater Wellington on Twitter: