WATCHDOG
Public stream early warning
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Akerselva
OSL-03
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What do you notice at the stream?
Tap all that apply. No account needed.
Dark mats on stones
Floating mats or scum
Blue-green water
Dead fish
Sick or dead waterbird
My dog seems unwell
Sewage smell
Grey or milky water
More signs
Nothing unusual — I just want to share how it feels
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Synthetic data · OneAquaHealth pilot