Microbiological water quality grades are reported as long term Microbiological Assessment Category (MAC) grades in accordance with The Ministry for the Environment & Ministry of Health 2003 Microbiological water quality guidelines for marine and freshwater recreational areas.
Scroll/zoom on the map to find areas of interest. Hover on a coloured site to see more information. Use the toggle in the top right to compare summer vs winter grades. Arrows next to the MAC grade in the label/popup indicate change from last season.
Use the arrows ( ↓↑ ) next to the table headers to sort the data. Arrows next to the MAC grade indicate change from last season.
Use the tabs below to see action guideline breaches for Enterococci (>280 cfu/100mL) from routine surveillance monitoring.
Overall shows the number of sites that breached guidelines broken down by those sites total number of breaches in the monitoring season.
Separate Whaitua tables list preceding rainfall (mm) and the number of follow up samples required before compliance with the surveillance guideline was met for each breach.
Summer
Total breaches per site | Kāpiti | Te Awarua-o-Porirua | Te Whanganui-a-Tara | Total no. sites | % of sites |
---|---|---|---|---|---|
0 | 5 | 3 | 20 | 28 | 45.2 |
1 | 7 | 4 | 13 | 24 | 38.7 |
2 | 2 | 1 | 1 | 4 | 6.5 |
3 | 1 | 2 | 1 | 4 | 6.5 |
4 | 0 | 0 | 1 | 1 | 1.6 |
5 | 0 | 1 | 0 | 1 | 1.6 |
Total monitored sites | 15 | 11 | 36 | 62 |
Winter
Total breaches per site | Kāpiti | Te Awarua-o-Porirua | Te Whanganui-a-Tara | Total no. sites | % of sites |
---|---|---|---|---|---|
0 | 11 | 8 | 1 | 20 | 60.6 |
1 | 4 | 1 | 4 | 9 | 27.3 |
2 | 0 | 1 | 2 | 3 | 9.1 |
4 | 0 | 1 | 0 | 1 | 3.0 |
Total monitored sites | 15 | 11 | 7 | 33 |