Originally posted by Holden McGroin
There is a saying, "Do bears **** in the woods?"
If they **** just upstream of where you take a drink you can get the stuff they just got rid of.
I thought it's we, Russians, who are supposed to have problems with bears

Last bear in Moscow "oblast" was shot in 1926

I have heard some stories about encountering bears in Kola peninsula (Khibiny mountains) and Polar Urals, but never even saw a single footprint myself. Once at Baikal lake shore a boy who took care for a geological expedition stocks said he heard bear roaring yesterday, but he was so bored by sitting alone in his tent that he told us all the horror stories he ever heard or read...
Originally posted by Holden McGroin
Virus contamination is rare, but Guardia is relatively common. But I could probably drink water from streams for a year and not get it. If you ever get it though, the cost of a filter would have been considered cheap.
We didn't have good filteres availible util maybe 10 years ago, so we just boil water and add some potassium permanganate if water stinks as crap. I am not afraid of drinking from almost any stream except some rivers near Moscow in Spring. Never experienced any infection from water myself, only once a group of kids from my school got diarrhea after drinking non-boiled water from Istra river 100m down the stream from a farm.
Army has special tablets for desinfection and cleaning water since maybe WWII and now they have small disposable filter tubes, but I have never heard about anyone using thi stuff when hiking. Sometimes I wish we had such tablets, but it happened maybe 3 times since I started hiking seriously in 1987.
Originally posted by Holden McGroin
I think the irradiation technique courtesy of the Chernobyl accident may have helped in the purity of the surface water in your neck of the woods.
I don't think so, If it had influence - it only brought more pollution.
In Southern Urals we once passed a "restricted area" called a "national park" that in fact was a place contaminated with radiation... Huge mosquitoes with 7 legs and giant tasty strawberries.

In Khibiny the whole Kukisvumchorr ( I love Saami names) valley was closed because there was an underground nuclear test in 1975. They opened it for hikers in 1992-93 (in 91 it was closed, next time I was there in 94 and it was open). I stood right upon an explosion site, there's a river 100m from it and it's absolutely OK to drink. In the mountains from any river you can drink water without boiling.