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Pelican River at Stroms Bridge Total Phosphorus

explanation of phosphorus

The Pelican River is the highest contributor of phosphorus to the Pelican Group of Lakes ( see graphs ). Stroms Bridge is the site where Little Pelican Lake connects to Big Pelican Lake. Water samples are taken at this location to see what is directly leaving Little Pelican Lake and entering Big Pelican Lake.

This first graph shows the comparison of total phosphorus loading between years. As is typical with streams in Minnesota, the spring thaw combined with spring rains produces the highest phosphorus loading of the year. 2011 was a typical year for phosphorus loading.

Historical Total Phosphorus Loading at Stroms Bridge:

The historical Total Phosphorus concentration at Stroms Bridge is shown below. The concentration is usually similar to that of Little Pelican Lake since that is where the water is coming from.

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