Dissolved Oxygen Levels for Oak Lake in the Winter of 2009
| SITE |
January 19, 2009 |
February 23, 2009 |
March 17, 2009 |
| |
top (ppm |
bottom (ppm) |
ice (cm) |
top (ppm) |
bottom (ppm) |
ice (cm) |
top (ppm) |
bottom (ppm) |
|
1 |
5.5 |
7.36 |
59 |
5.74 |
5.52 |
70 |
.63 |
3.13 |
73 |
4 |
8.94 |
8.03 |
70 |
3.6 |
2.6 |
85 |
.27 |
.25 |
93 |
C |
5.66 |
7.66 |
57 |
5.9 |
2.9 |
65 |
3.52 |
.4 |
77 |
6 |
12.58 |
12.7 |
67 |
5.72 |
4.89 |
80 |
2.3 |
.21 |
82 |
9 |
6.92 |
5.32 |
63 |
3.59 |
3.47 |
70 |
.85 |
.42 |
75 |
A |
6.93 |
3.55 |
55 |
5.3 |
4.34 |
68 |
.79 |
.33 |
73 |
B |
6.56 |
1.36 |
48 |
5.32 |
3.67 |
55 |
1.19 |
.58 |
58 |
C |
6.92 |
5.64 |
39 |
5.52 |
4.68 |
50 |
1.08 |
.25 |
50 |
Site 1 is near Cherry Point
Site 4 is near Pipestone Creek
Site C is near the middle of Oak Lake
Site 6 is near the dam
Site 9 is near the dump
Sites A, B and C are near the aeration site
It appears levels were quite good at the end of February but have dropped off to seriously low levels in March.
