ONEKAMA JUNIOR/SENIOR HIGH SCHOOL SCIENCE
Portage Lake Water Analysis Tests
October 15, 1996
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SECCHI DISK: West Basin East Basin Shallow Site
20' 17' 15'
CHLOROPHYLL a: West Basin East Basin Shallow Site
(ug/l)* 57 209 150
PHOSPHORUS: West Basin........East Basin........ Shallow Site
(ug/l) Surface .............13.49 ..............12.30 .................09.77
.........30 ft. .................13.25 ..............01.31 .........(10')11.25
.........55 ft. ................08.89 ...............01.49
...........Dissolved Oxygen .....Temperature.......Alkalinity
...................West Basin....................East Basin..............Shallow Site
|
D.O. |
TEMP |
PH |
D.O. |
TEMP |
PH |
DO |
TEMP |
PH |
|||
|
Surface |
8.8# |
16 |
8.1 |
9.8 |
15 |
7.8 |
9.4 |
14 |
7.6 |
||
|
15 ft. |
10.0 |
16 |
8.2 |
7.4 |
16 |
8.0 |
9.6 |
16 |
7.6 |
||
|
20 ft. |
8.0 |
15 |
8.1 |
8.8 |
16 |
8.0 |
-- |
-- |
-- |
||
|
25 ft. |
8.7 |
14 |
8.2 |
10.0 |
16 |
8.1 |
-- |
-- |
-- |
||
|
30 ft. |
10.0 |
14 |
8.3 |
8.5 |
16 |
8.0 |
-- |
-- |
-- |
||
|
35 ft. |
8.7 |
14 |
8.1 |
8.6 |
16 |
8.0 |
-- |
-- |
-- |
||
|
40 ft. |
9.0 |
14 |
8.1 |
8.5 |
15 |
8.0 |
-- |
-- |
-- |
||
|
45 ft. |
8.0 |
13 |
8.1 |
6.4 |
16 |
7.9 |
-- |
-- |
-- |
||
|
50 ft. |
10.0 |
13 |
8.1 |
8.6 |
15 |
8.1 |
-- |
-- |
-- |
||
|
55 ft. |
8.8 |
14 |
8.1 |
7.0 |
15 |
8.0 |
-- |
-- |
-- |
||