Secchi Depth 1996 - 2014
 
 
 Year
Location
 Secchi Depth, m
1996
Pickerel Bay 
2.8 
 
Three Mile Bay 
2.5 
1997
Pickerel Bay 
3.4 
 
Three Mile Bay 
3.2 
1998
Three Mile Bay 
2.9 
1999
Three Mile Bay 
2.6 
2000
Three Mile Bay 
3.1 
2001
Three Mile Bay 
3.2 
2002
  
no data 
2003
Pickerel Bay 
2.9 
 
Three Mile Bay 
3.0 
2004
Pickerel Bay 
2.9 
Three Mile Bay 
2.8 
2005
Pickerel Bay 
2.8 
Three Mile Bay 
3.2 
2006
Pickerel Bay 
2.5 
Three Mile Bay 
2.3 
2007
Pickerel Bay 
2.7 
Three Mile Bay 
3.0 
2008
Pickerel Bay 
2.6 
Three Mile Bay 
2.5 
2009
Pickerel Bay 
2.7 
Three Mile Bay 
3.1 
The Secchi depth data presented above was collected by volunteers and processed by the Ontario Lake Partner Program. Details of the LPP can be found at www.desc.ca
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Secchi disk readings are a measure of the transparency or clarity of water and indicate the level of dissolved and suspended material which inhibits the penetration of light into a lake. Measurements are usually taken off-shore in a relatively deep location on the lake. The deeper the reading the clearer the water.
 Date, 2014
 Time (24 hr) Water Temp., C Secchi Depth, m
May 18
8:30 
15 
3.2 
June 8 
7:21 
22 
3.6 
June 16
7:55 
22 
3.5 
July 4
10:30 
24 
3.0 
July 19
8:30 
23 
2.7 
August 3
8:45 
23 
2.6 
August 24
8:23 
22 
2.9 
September 14
10:50 
18 
4.1 
October 12
9:50 
13 
4.5 
Sampling Location: Latitude 451516; Longitude 763320
Deep Spot, N. Hardwood Island (WLPP)
Measurements taken in May/June (WLPOA)