pH at Little Moose Lake:
The pH levels in Little Moose lake are normally about 7.0.
During the snow melting, in early March, the lake pH dropped
An outlet stream from the lake reached a low pH of 4.8.
A small brook nearby hit a low pH of 4.6 during the snow melt
period. The average pH in this brook during the rest of the year
is about 5.4.
There was a definite relationship of the amount of aluminum
in the brook vs. pH. As the pH decreased, the aluminum concentration
Captive populations of adult, year old, and larval brook trout
had been maintained over the winter in Little Moose Lake water
without any problems.
During the snow melt in March, 3 adult brook trout died, 25
one year old trout died, and about 50,000 recently hatched trout
Various other abnormal behaviors were also observed.