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Lake Mohawk Home
Letter of Reference
Grays Aquatic Home
Chemical Information
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Updated
November 17, 2009
NOTE
NEW URL (Web Address)
www.Lake-Mohawk.us
Please update your bookmarks, etc.
This web site has been moved to it's own unique DOMAIN (URL/web address)
in order to better serve
the Lake Mohawk Community.
For the Complete Web Site,
please click the above link
NOTE: 2009 Lake Mohawk
Restoration Report Now Available
Please Click the "button"
below to download the report in PDF format.
JeffGray@GraysAquatic.com
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Lake Mohawk
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Oxygen/Temp
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Note: "Fall
Turnover" is a period when the lake becomes "isothermal" (same
temperature from top to bottom), thereby enabling wind currents and
cooling upper water (epilimnion) depths to mix with the bottom (hypolimnion)
waters. Oxygen concentrations naturally rise in the lower depths
during this period.
Sept. 24, 2009
Overcast
Visibility 5 ft 7".
| Depth |
O2 |
Temp |
| 0 |
8.6 |
72.7 |
| 5 |
6.4 |
72.0 |
| 10 |
6.0 |
71.8 |
| 15 |
5.6 |
71.4 |
| 20 |
1.0 |
70.7 |
| 25 |
0.0 |
69.3 |
Note: Oxygen in mg/l.
Temperature in Fahrenheit
Sept. 18, 2009
Sunny
Visibility 5 ft. 4 in.
| Depth |
O2 |
Temp |
| 0 |
6.8 |
72.5 |
| 5 |
6.9 |
72.0 |
| 10 |
6.3 |
71.6 |
| 15 |
6.1 |
71.4 |
| 20 |
4.0 |
71.1 |
| 25 |
0.2 |
70.2 |
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Lake
Trivia
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The average thermocline in northern dimictic (two mixes or turnovers
per year) lakes occurs around 12 feet of depth. Dissolved oxygen
declines rapidly below this depth.
Lake Mohawk has lake characteristics more like a reservoir than a
natural lake which was formed by glaciers (glacial kettle lake)
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