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Urban Stormwater Monitoring in the Wairarapa - First Flush Sampling

Low tech, great idea!

We have begun a stormwater sampling regime for Carterton District Council's urban stream environments. The photo shows a cool low tech way to capture the first flush event. As the stream rises , more stormwater is entering the system  and the bottle attached to the waratah simply samples the surface water which is then despatched to a lab for metals analyses.