Water Quality Data - Depth Clarity and Phosphorus Levels
|
Year
|
Mean Secchi Depth
|
ug/Litre Phosphorus
|
Lake Condition
|
|
1997
|
3.2 metres
|
12.0
|
Mesotropic
|
|
1998
|
2.9 metres
|
14.3
|
Eutrophic
|
|
1999
|
2.6 metres
|
11.2
|
Eutrophic
|
|
2000
|
3.1 metres
|
8.0
|
Mesotropic
|
|
2001
|
3.2 metres
|
16.0
|
Mesotropic
|
|
2002
|
2.8 metres
|
14.4
|
Eutrophic
|
|
2003
|
2.93 metres @ 3 Mile
2.85 @ Pickerel Bay
|
No data
|
Eutrophic
|
|
2004
|
2.82 metres @ 3 Mile
2.92 @ Pickerel Bay
|
No data
|
Eutrophic
|
|
Trophic States
|
|
Oligotrophic
|
Clear waters with little organic matter or sediment and minimum biological activity.
|
|
Mesotrophic
|
Waters with more nutrients, and therefore, more biological productivity.
|
|
Eutrophic
|
Waters extremely rich in nutrients, with high biological productivity. Some species may be choked out.
|
|
Hypereutrophic
|
Murky, highly productive waters, closest to the wetland status. Many clearwater species cannot survive.
|
|
Dystrophic
|
Low in nutrients, highly coloured with dissolved humicorganic material. (Not necessarily a part of the naturaltrophic progression.)
|
|