Spring Phosphorus Results
The 2023 spring phosphorus value for Hannah Lake is 9.2 µg/L. The average total spring phosphorus for Hannah Lake since 2001 is 7.09 µg/L which is well below the Provincial Water Quality Objective of 20.0 µg/L and indicates that this lake is likely oligotrophic.
For more detailed information, download the graph illustrating the spring phosphorus levels in Hannah Lake from 2001 to 2023 (PDF 75 KB).
Shoreline Classification Project
Hannah Lake has 38 permanent residents and 4 seasonal/recreational residents.
Location & Lake Characteristics
Hannah Lake is located in Broder township. Hannah Lake has an area of 27.7 hectares and a shoreline perimeter of 2.8 kilometres. The maximum depth of Hannah Lake is 8 metres. View maps of Hannah Lake.
Hannah Lake is located in Ramsey watershed. For more information on the watershed, visit the Watershed Map link.
For information regarding the Lake Stewardship groups in Greater Sudbury or for information on how to start your own lake association, visit the Lake Stewardship link.
For more information, view the list of Hannah Lake's documented fish species.
There is currently no data for aquatic insects.
For more information, view the list of aquatic plants documented in Hannah Lake.