Toxic Algae
Ongoing monitoring of toxic algae in the Waipoua River at Colombo Road has confirmed that toxic algae cover is currently low, meaning the warning that has been place since before Christmas has been removed.
There is still a lot of algae in the river at this site, but the composition has changed. Most of the algae is a species of diatom – slimy but harmless. The close-up below shows a rock that is mostly covered by the diatom species – it’s yellowy/green and bumpy in appearance. You can also see a couple of patches of Phormidium or toxic algae. In the other picture you can clearly see small patches of toxic algae (the dark brown/black patches) amongst large patches of diatom growth.
It’s safe to use the river, but please remain cautious if you are taking your dog down there and make sure they don’t eat anything suspicious (even a small amount of toxic algae can be lethal if they eat it).
On the western side of the region, there is a water quality warning in place for Porirua Harbour at the Rowing Club. The latest sample recorded high bacterial counts which means the site is currently unsafe for swimming. This may have been due to recent rain in the area – rainfall flushes contaminants from land into waterways and we advise you not to swim for at least two days after rainfall, even if a site generally has good water quality.
Don't forget to keep up-to-date with the latest water quality warnings by visiting our interactive water quality map at bit.ly...
New Year, New Brain Teaser! 🧠🤓
Rachel goes to the supermarket and buys 10 tomatoes 🍅
Unfortunately, on the way back home, all but 9 get ruined. How many tomatoes are left in a good condition?
Do you think you know the answer? Simply 'Like' this post if you know the answer and the big reveal will be posted in the comments at 2pm on the day!
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Poll: Are you as excited as we are for Te Matapihi’s grand reopening?
Wellington’s Te Awe Library on Brandon St will be closing its doors for good at 5 pm on March 1. It’s been the city’s largest temporary library, and now it’s making way for the exciting return of Te Matapihi Central Library!
We want to know: Are you as excited as we are for Te Matapihi’s grand reopening?
Want all the details? The Post has everything you need to know.
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40.5% Yes
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59.5% No
Reach your health and wellbeing goals in 2026
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