Internal & External Loading Results
�Best Estimate:
� 15.3 ppb
�
�Range:
� 5.8 – 27.2 ppb
�
When the lake becomes anoxic, phosphorus can also be released from the sediment. Pattee Pond did become anoxic this summer below 6m. We did observe very high P concentrations at the deepest sites of the lake, we can assume there are some internal sources of Phosphorus. Looking at the