Fishery reports
The most recent study of the fish population was done by PCHOA in 2024 to assess the environmental impact of dredging in compliance with an Incidental Take Agreement with the Illinois Department of Natural Resources. This was a limited study using seine nets in two shoreline locations. Similar methods were used in limited locations in 2023 to also assess the conditions of endangered and threatened species in Sanctuary Pond and Lake Leopold post-dredging. A complete study including sport fishery using both electrofishing and shoreline seining was last done in 2015.
Read the reports
Lake Leopold fishery assessment
Cason Land & Water Management surveyed the lake with seine nets to assess its fish community, including species of conservation concern.
Open PDFLake and pond fish survey
Field surveys of Sanctuary Pond, Lake Leopold and two outlet ponds document fish species, aquatic habitat and water conditions.
Open PDFFish survey follow-up recommendations
Recommendations for volunteer monitoring, future fish surveys and long-term lake and pond maintenance following the 2023 fieldwork.
Open PDFLake Leopold fish community assessment
Deuchler Environmental's full assessment of the lake's sport fishery and threatened species, using electrofishing and shoreline seining.
Open PDF
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