We have used a YSI multi-parameter probe to determine profiles of temperature, oxygen, pH, turbidity, chlorophyll, and conductivity in the main lakes of the Wabana Chain.

Water Quality Profiling (2005)

This work was donated to the Wabana Chain of Lakes Association.

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Below are graphs showing the distributions of various water quality parameters in the water column of the Wabana Chain of lakes during the summer of 2005. We were not able to perform this sampling in Little Wabana due to the lack of a boat to use routinely. Profiles in Wakeman's Bay were frequently fouled by mud from the bottom.

Note that Trout Lake is well mixed in April-May and strongly stratified in July and September. Oxygen is somewhat depleted in the bottom waters late in the year. The thermocline is around 10-12 meters (30-36 feet).

Note that there is less late-season oxygen depletion in the south basin of Trout Lake.

Interlachen (aka Little Trout Lake) appears to be stratified year around and never has much oxygen in the bottom waters (hypolimnion). In a way, this acts like two lakes: the upper water that is essentially a river flowing across the top of the lake, and the bottom water that mixes very rarely (if ever) with the surface water. This is a rare condition.

Wabana North stratifies at 8 to12 meters (24 to 36 feet) and has a surprising amount of oxygen depletion in the deep water. By July, the water is completely lacking in oxygen below about 14 meters (42 feet).

Wabana Central's profiles look quite a bit like Wabana North except that oxygen is not quite so severely depleted at depth.

Wabana South is very wind-exposed so has an extremely well defined thermocline at 8 to 12 meters (24 to 36 feet).

Bluewater North has a very sharp and shallow thermocline at 7-10 meters (21-30 feet) and appears to suffer mid-summer low oxygen conditions. This can arise through suspended sediment or other sources of turbidity.

Bluewater south shows similar structure to Bluewater North except that mid-summer oxygen depletion is not as significant.

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