Thread: Blue-green algae

I noticed today that the rivers are really bad at the moment.
Need a good flood to clean them out.


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Our local river, the manuherikera that flows into the clutha has been bad the last few years. Dogs getting sick and in some cases dying. People bathe in summer with wee kids, they get sick. I have seen the increase in algal growth. Some blame the newer dairy farms bordering the river up near omakau for it. I'm told the sewage line feeds in at ophir bridge too.I don't know for sure what the cause is, but its getting worse each year.