Look Before You Leap - Potentially Toxic Algae A Risk In Bay Of Plenty Lakes

Warmer weather in the Bay of Plenty has heightened the risk of algal blooms in our local lakes. Water quality monitoring this week has identified low level bloom activity in Lake Rotorua prompting Medical Officer of Health, Dr Neil de Wet, to issue this public health advisory.

“Monitoring of Lake Rotorua by Environment Bay of Plenty indicates some low level activity of potentially toxic algae. The southern and western parts of Lake Rotorua between Ngongotaha and the central city have been the most affected“says Dr de Wet.

“Sampling of Lake Rotorua has shown some variability and results have not been consistent enough to issue a health warning. However, in conditions like these and with warm weather algal blooms can develop rapidly. It is important to ‘look before you leap’ and make your own judgement of the water – if in doubt stay out”

People should avoid lake water which is discoloured or where there is surface scum or scum on the shoreline. Also avoid swimming in or drinking water that has a strange musty smell.

Toxic algae can trigger asthma and hayfever attacks in susceptible individuals, as well as causing skin rashes, tummy upsets, and even neurological effects such as tingling round the mouth, headaches, general breathing difficulties and visual problems.

Dr de Wet says “There is currently one health warning in place for Lake Rotoehu, but as blooms occur quite quickly in the right conditions, it is always safest to check the water before you get in, and especially exercise caution in Lake Rotorua. If you have concerns about possible blooms let Environment Bay of Plenty or your local Council know.”

Weekly testing and monitoring by Environment Bay of Plenty will continue across the lakes and rivers in the Bay of Plenty and any updates will be issued accordingly.

For further information visit www.toiteorabpublichelath.govt.nz or call 0800 221 555.

ENDS

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