>>2839153
Funny enough that happened to me recently.

This April I was backpacking in North Yorkshire moors and was super dehydrated. Used all my water and the next town was 9 miles away.

On the moor found a stream, was happy to finally have water. Filtered like three liters in my dinky old Grayl with an old ass filter.

Drink 1 L before going decide to find a spot to chill out up stream maybe rinse off the grime and wash my clothes. See pic related in the water and realize I just drank dead bird juice water.

Was totally fine, but ditched the water when I got into town.