Can you guess what's in this water?

since this stormwater goes into a river, it must be pretty clean

there are a lot of dissolved and suspended contaminants in stormwater

the bubbles mean this water is rich in oxygen and good for fish habitat

low levels of any contaminants since the large volumes of stormwater dilutes the contaminants

Can you guess what's in this water?

nothing! This is pristine alpine water

the algae growth on the right of the picture means this water is very contaminated

not sure what is in this water

high levels of minerals due to all the rocks

Can you guess what's in this water?

this water is unsafe and needs to be boiled because it contains high levels of harmful bacteria

this water is unsafe and needs to be boiled because it contains high levels of harmful viruses

this water is unsafe and needs to be boiled because it contains high levels of harmful parasites

all of the above

Can you guess what's in this water?

this is natural iron

this is evidence of lead contamination

this is a spill

this is toxic algae

Can you guess what's in this water?

this is a spill

this is a nitrogen problem

this is duckweed

this is an overgrowth of algae

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The average score is 47%

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