It’s not potable water. It is a reservoir for water that is processed through the water treatment plant before it goes into the system. There are plenty of birds and other animals polluting the reservoir water every day.
From the article posted yesterday.
snip
The open reservoirs hold water that has already been treated and goes directly
into mains for distribution to customers.
end snip
Read more: http://www.myfoxny.com/story/25266957/portland-plans-reservoir-flush-after-teen-cited#ixzz2z9q9uxKQ
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