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Deadly to dogs: council warns, again, about toxic algae

News from Greater Wellington Regional Council
Summer swimmers, dog owners and the community should be scrubbing up on spotting toxic algae as we approach the warmer months and our refreshing rivers beckon.

Toxic algae is harmful to people and deadly to dogs, so owners need to take the lead and check either the LAWA website or the council’s safe to swim webpage before getting in the water.

“Dogs like the smell and taste of toxic algae mats. Scarier still, an amount as small as a 50 cent piece, is enough to kill a dog” says Dr Evan Harrison, Team Leader of Marine and Freshwater.

Vigilance is key as dogs are likely to sniff out the leathery dark green or black toxic algal mats which can wash up at river edges.

Prevention however, is better than any treatment so checking for warnings online before swimming and letting your dog in the water is paramount says Dr Harrison.

The council also urges caution to members of the public. The risk for dogs is higher but we also need to take care ourselves and our tamariki. The danger is still there for us.

Awareness for summer swimmers and people with dogs about toxic algae is supported by Land Air Water Aotearoa (LAWA), who provide a platform for swimming water quality data and warnings across New Zealand.

“Water quality sampling is routinely conducted at over 80 freshwater and coastal sites region wide. It’s this data which is shared” says Sheryl Miller, Senior Advisor, Environment.

Rather than rely solely on physical monitoring results, the council uses a ‘risk model’ to identify safe swimming levels. This takes into account changes in water quality due to rainfall and the ‘long term condition of the site. Communities can be sure that they are seeing up-to-date information about the suitability for swimming at popular swimming sites.

Members of the public who think they or their dogs have swallowed toxic algae should seek urgent medical attention by dialling 111 and for their dogs, take them immediately to the nearest vet.

Why can’t they control it? Algae last year. And algae in 2019. And in 2018.

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