Round Lake
The Round Lake Subwatershed is a 0.67-square-mile subsection of the Purgatory Creek Subwatershed (a subsection of the Riley Purgatory Bluff Creek Watershed District) that drains to Round Lake, which ultimately drains to Purgatory Creek.
Characteristics
Size | 30 acres |
Volume | 327 acre-ft |
Average depth | 11 ft |
Max depth | 37 ft |
Watershed size | 475 acres |
Land draining directly into | 105 acres |
MPCA lake classification | Deep |
Impairment listing | Mercury & Perfluorooctane |
Trophic status | Eutrophic |
Common fish | Bluegill, Northern Pike, Yellow Bullhead, Yellow Perch |
Invasive species | Curlyleaf Pondweed, Eurasian Watermilfoil, Common Carp, Brittle Naiad |
Learn More
- DNR LakefinderGet information on water levels, fish stocking, and water clarity.
- MPCA Surface Water DataFind historical lake and stream water quality data.
- Metropolitan CouncilView and download information on lakes, rivers, streams, rain gauges and for the Minneapolis/St. Paul metropolitan area.
Factsheet

Related Documents
- Aquatic plant surveys and water quality for Round Lake and two tributary ponds (2014)
- Historical water quality and ecological change of three lakes in the RPBCWD (2011)
- Purgatory Creek Watershed Use Attainability Analysis (UAA; 2017)
- Purgatory Creek Watershed Use Attainability Analysis (UAA) Executive Summary (2017)